./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/goblint-regression/28-race_reach_77-tricky_address4_racing.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7e70badd Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be38c9cc-efe7-49d2-8785-d8cd26f4f4b4/bin/ugemcutter-aZbSL5k0Dw/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be38c9cc-efe7-49d2-8785-d8cd26f4f4b4/bin/ugemcutter-aZbSL5k0Dw/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be38c9cc-efe7-49d2-8785-d8cd26f4f4b4/bin/ugemcutter-aZbSL5k0Dw/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be38c9cc-efe7-49d2-8785-d8cd26f4f4b4/bin/ugemcutter-aZbSL5k0Dw/config/GemCutterReach.xml -i ../../sv-benchmarks/c/goblint-regression/28-race_reach_77-tricky_address4_racing.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be38c9cc-efe7-49d2-8785-d8cd26f4f4b4/bin/ugemcutter-aZbSL5k0Dw/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be38c9cc-efe7-49d2-8785-d8cd26f4f4b4/bin/ugemcutter-aZbSL5k0Dw --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash dce9d71ca8bbe247a74e6b2653e5cdb882c6b8b5d902edf534df70d90ee806fe --- Real Ultimate output --- This is Ultimate 0.2.1-dev-7e70bad [2021-11-23 14:20:41,961 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 14:20:41,965 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 14:20:42,007 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 14:20:42,008 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 14:20:42,009 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 14:20:42,012 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 14:20:42,014 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 14:20:42,017 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 14:20:42,019 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 14:20:42,020 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 14:20:42,022 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 14:20:42,023 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 14:20:42,025 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 14:20:42,027 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 14:20:42,029 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 14:20:42,030 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 14:20:42,032 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 14:20:42,034 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 14:20:42,037 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 14:20:42,040 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 14:20:42,045 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 14:20:42,047 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 14:20:42,050 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 14:20:42,054 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 14:20:42,055 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 14:20:42,055 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 14:20:42,057 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 14:20:42,057 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 14:20:42,059 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 14:20:42,059 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 14:20:42,061 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 14:20:42,062 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 14:20:42,063 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 14:20:42,064 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 14:20:42,065 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 14:20:42,066 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 14:20:42,066 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 14:20:42,067 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 14:20:42,068 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 14:20:42,069 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 14:20:42,070 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be38c9cc-efe7-49d2-8785-d8cd26f4f4b4/bin/ugemcutter-aZbSL5k0Dw/config/svcomp-Reach-32bit-GemCutter_Default.epf [2021-11-23 14:20:42,108 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 14:20:42,110 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 14:20:42,110 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 14:20:42,111 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 14:20:42,111 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 14:20:42,112 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 14:20:42,113 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 14:20:42,113 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 14:20:42,114 INFO L138 SettingsManager]: * Use SBE=true [2021-11-23 14:20:42,114 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 14:20:42,114 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 14:20:42,115 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 14:20:42,115 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 14:20:42,116 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 14:20:42,116 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 14:20:42,116 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 14:20:42,116 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 14:20:42,117 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 14:20:42,117 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 14:20:42,117 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 14:20:42,117 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 14:20:42,117 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 14:20:42,118 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 14:20:42,118 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-11-23 14:20:42,118 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 14:20:42,118 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 14:20:42,119 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 14:20:42,119 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 14:20:42,119 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 14:20:42,119 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-23 14:20:42,120 INFO L138 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2021-11-23 14:20:42,120 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 14:20:42,120 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-23 14:20:42,120 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-11-23 14:20:42,120 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 14:20:42,121 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-11-23 14:20:42,121 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-11-23 14:20:42,121 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_be38c9cc-efe7-49d2-8785-d8cd26f4f4b4/bin/ugemcutter-aZbSL5k0Dw/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be38c9cc-efe7-49d2-8785-d8cd26f4f4b4/bin/ugemcutter-aZbSL5k0Dw Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dce9d71ca8bbe247a74e6b2653e5cdb882c6b8b5d902edf534df70d90ee806fe [2021-11-23 14:20:42,403 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 14:20:42,422 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 14:20:42,425 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 14:20:42,426 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 14:20:42,427 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 14:20:42,429 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be38c9cc-efe7-49d2-8785-d8cd26f4f4b4/bin/ugemcutter-aZbSL5k0Dw/../../sv-benchmarks/c/goblint-regression/28-race_reach_77-tricky_address4_racing.i [2021-11-23 14:20:42,517 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be38c9cc-efe7-49d2-8785-d8cd26f4f4b4/bin/ugemcutter-aZbSL5k0Dw/data/b25437fe1/61f1466a83e6448f8c281a9e1593cb28/FLAG36d694df1 [2021-11-23 14:20:43,152 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 14:20:43,153 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be38c9cc-efe7-49d2-8785-d8cd26f4f4b4/sv-benchmarks/c/goblint-regression/28-race_reach_77-tricky_address4_racing.i [2021-11-23 14:20:43,182 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be38c9cc-efe7-49d2-8785-d8cd26f4f4b4/bin/ugemcutter-aZbSL5k0Dw/data/b25437fe1/61f1466a83e6448f8c281a9e1593cb28/FLAG36d694df1 [2021-11-23 14:20:43,405 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be38c9cc-efe7-49d2-8785-d8cd26f4f4b4/bin/ugemcutter-aZbSL5k0Dw/data/b25437fe1/61f1466a83e6448f8c281a9e1593cb28 [2021-11-23 14:20:43,409 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 14:20:43,411 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 14:20:43,413 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 14:20:43,413 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 14:20:43,418 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 14:20:43,419 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:20:43" (1/1) ... [2021-11-23 14:20:43,420 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a5d65d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:20:43, skipping insertion in model container [2021-11-23 14:20:43,421 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:20:43" (1/1) ... [2021-11-23 14:20:43,430 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 14:20:43,496 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 14:20:44,140 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_be38c9cc-efe7-49d2-8785-d8cd26f4f4b4/sv-benchmarks/c/goblint-regression/28-race_reach_77-tricky_address4_racing.i[41323,41336] [2021-11-23 14:20:44,194 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 14:20:44,228 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 14:20:44,292 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_be38c9cc-efe7-49d2-8785-d8cd26f4f4b4/sv-benchmarks/c/goblint-regression/28-race_reach_77-tricky_address4_racing.i[41323,41336] [2021-11-23 14:20:44,320 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 14:20:44,424 INFO L208 MainTranslator]: Completed translation [2021-11-23 14:20:44,424 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:20:44 WrapperNode [2021-11-23 14:20:44,424 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 14:20:44,426 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 14:20:44,426 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 14:20:44,426 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 14:20:44,436 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:20:44" (1/1) ... [2021-11-23 14:20:44,473 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:20:44" (1/1) ... [2021-11-23 14:20:44,543 INFO L137 Inliner]: procedures = 270, calls = 41, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 189 [2021-11-23 14:20:44,545 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 14:20:44,546 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 14:20:44,546 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 14:20:44,546 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 14:20:44,558 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:20:44" (1/1) ... [2021-11-23 14:20:44,559 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:20:44" (1/1) ... [2021-11-23 14:20:44,576 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:20:44" (1/1) ... [2021-11-23 14:20:44,579 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:20:44" (1/1) ... [2021-11-23 14:20:44,607 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:20:44" (1/1) ... [2021-11-23 14:20:44,615 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:20:44" (1/1) ... [2021-11-23 14:20:44,627 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:20:44" (1/1) ... [2021-11-23 14:20:44,637 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 14:20:44,638 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 14:20:44,638 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 14:20:44,645 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 14:20:44,647 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:20:44" (1/1) ... [2021-11-23 14:20:44,668 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 14:20:44,683 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be38c9cc-efe7-49d2-8785-d8cd26f4f4b4/bin/ugemcutter-aZbSL5k0Dw/z3 [2021-11-23 14:20:44,703 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be38c9cc-efe7-49d2-8785-d8cd26f4f4b4/bin/ugemcutter-aZbSL5k0Dw/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 14:20:44,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be38c9cc-efe7-49d2-8785-d8cd26f4f4b4/bin/ugemcutter-aZbSL5k0Dw/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 14:20:44,775 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 14:20:44,775 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 14:20:44,775 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 14:20:44,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 14:20:44,776 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-23 14:20:44,776 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 14:20:44,776 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-11-23 14:20:44,776 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-11-23 14:20:44,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 14:20:44,777 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 14:20:44,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 14:20:44,779 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-23 14:20:44,959 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 14:20:44,962 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 14:20:45,322 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 14:20:45,335 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 14:20:45,335 INFO L301 CfgBuilder]: Removed 23 assume(true) statements. [2021-11-23 14:20:45,338 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:20:45 BoogieIcfgContainer [2021-11-23 14:20:45,338 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 14:20:45,341 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 14:20:45,343 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 14:20:45,350 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 14:20:45,350 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:20:43" (1/3) ... [2021-11-23 14:20:45,351 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@319b2aac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:20:45, skipping insertion in model container [2021-11-23 14:20:45,351 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:20:44" (2/3) ... [2021-11-23 14:20:45,352 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@319b2aac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:20:45, skipping insertion in model container [2021-11-23 14:20:45,352 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:20:45" (3/3) ... [2021-11-23 14:20:45,353 INFO L111 eAbstractionObserver]: Analyzing ICFG 28-race_reach_77-tricky_address4_racing.i [2021-11-23 14:20:45,362 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-23 14:20:45,363 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 14:20:45,363 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-23 14:20:45,363 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-23 14:20:45,446 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,446 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,447 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,447 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,456 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,456 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,456 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,456 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,457 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,457 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,457 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,457 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,457 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,458 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,458 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,458 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,458 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,459 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,459 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,459 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,460 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,460 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,460 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,461 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,461 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,461 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,461 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,462 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,462 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,462 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,463 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,463 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,463 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,464 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,464 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,464 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,465 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,465 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,465 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,465 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,466 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,466 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,466 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,467 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,467 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,467 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,467 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,468 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,468 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,468 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,469 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,469 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,469 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,469 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,470 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,470 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,470 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,471 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,471 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,471 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,472 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,472 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,472 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,473 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,473 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,473 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,474 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,474 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,474 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,475 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,475 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,475 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,476 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,476 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,477 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,477 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,477 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,478 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,478 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,478 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,479 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,479 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,479 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,480 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,480 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,480 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,481 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,481 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,481 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,482 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,482 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,482 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,483 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,483 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,483 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,483 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,484 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,484 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,484 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,485 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,485 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,485 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,485 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,486 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,486 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,486 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,487 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,487 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,487 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,488 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,488 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,488 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,488 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,489 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,489 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,489 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,490 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,490 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,490 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,490 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,491 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,491 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,491 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,491 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,492 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,492 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,492 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,492 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,493 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,493 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,493 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,494 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,494 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,494 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,495 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,495 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,499 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,502 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,502 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,504 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,504 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,504 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,504 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,505 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,505 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,505 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,505 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,505 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,506 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,506 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,507 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,507 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,507 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,508 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,508 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,508 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,508 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,508 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,509 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:20:45,515 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-11-23 14:20:45,598 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-11-23 14:20:45,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be38c9cc-efe7-49d2-8785-d8cd26f4f4b4/bin/ugemcutter-aZbSL5k0Dw/z3 [2021-11-23 14:20:45,604 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be38c9cc-efe7-49d2-8785-d8cd26f4f4b4/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-11-23 14:20:45,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be38c9cc-efe7-49d2-8785-d8cd26f4f4b4/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-11-23 14:20:45,672 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t_funThread1of1ForFork0 ======== [2021-11-23 14:20:45,680 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-23 14:20:45,680 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 14:20:46,126 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 14:20:46,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:20:46,137 INFO L85 PathProgramCache]: Analyzing trace with hash 387779528, now seen corresponding path program 1 times [2021-11-23 14:20:46,149 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:20:46,149 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [482753496] [2021-11-23 14:20:46,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:20:46,151 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:20:46,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:20:46,455 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2021-11-23 14:20:46,456 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:20:46,456 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [482753496] [2021-11-23 14:20:46,457 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [482753496] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 14:20:46,458 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 14:20:46,458 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 14:20:46,460 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1708695631] [2021-11-23 14:20:46,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 14:20:46,468 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-23 14:20:46,468 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:20:46,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-23 14:20:46,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-23 14:20:46,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:20:46,501 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-23 14:20:46,503 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 67.0) internal successors, (134), 2 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:20:46,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:20:47,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:20:47,276 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-23 14:20:47,276 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 14:20:47,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:20:47,277 INFO L85 PathProgramCache]: Analyzing trace with hash 1360246121, now seen corresponding path program 1 times [2021-11-23 14:20:47,277 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:20:47,277 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [225951953] [2021-11-23 14:20:47,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:20:47,278 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:20:47,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:20:47,397 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 14:20:47,397 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:20:47,397 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [225951953] [2021-11-23 14:20:47,398 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [225951953] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 14:20:47,398 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 14:20:47,398 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 14:20:47,398 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186710471] [2021-11-23 14:20:47,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 14:20:47,400 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 14:20:47,400 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:20:47,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 14:20:47,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 14:20:47,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:20:47,401 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-23 14:20:47,402 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 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) [2021-11-23 14:20:47,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:20:47,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:20:47,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:20:47,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:20:47,443 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-23 14:20:47,443 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 14:20:47,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:20:47,445 INFO L85 PathProgramCache]: Analyzing trace with hash 1433140770, now seen corresponding path program 1 times [2021-11-23 14:20:47,445 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:20:47,445 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789486756] [2021-11-23 14:20:47,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:20:47,446 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:20:47,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:20:47,633 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 14:20:47,633 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:20:47,633 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [789486756] [2021-11-23 14:20:47,634 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [789486756] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 14:20:47,634 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [948619838] [2021-11-23 14:20:47,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:20:47,634 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 14:20:47,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be38c9cc-efe7-49d2-8785-d8cd26f4f4b4/bin/ugemcutter-aZbSL5k0Dw/z3 [2021-11-23 14:20:47,643 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be38c9cc-efe7-49d2-8785-d8cd26f4f4b4/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 14:20:47,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be38c9cc-efe7-49d2-8785-d8cd26f4f4b4/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-23 14:20:47,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:20:47,799 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-23 14:20:47,806 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 14:20:48,133 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 14:20:48,134 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 14:20:48,315 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 14:20:48,320 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [948619838] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 14:20:48,321 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-23 14:20:48,321 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2021-11-23 14:20:48,321 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1417098745] [2021-11-23 14:20:48,323 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-23 14:20:48,327 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-23 14:20:48,327 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:20:48,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-23 14:20:48,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2021-11-23 14:20:48,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:20:48,328 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-23 14:20:48,329 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.3) internal successors, (93), 10 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:20:48,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:20:48,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:20:48,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:20:48,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:20:48,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:20:48,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:20:48,513 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be38c9cc-efe7-49d2-8785-d8cd26f4f4b4/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-23 14:20:48,673 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be38c9cc-efe7-49d2-8785-d8cd26f4f4b4/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 14:20:48,673 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 14:20:48,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:20:48,674 INFO L85 PathProgramCache]: Analyzing trace with hash -1030441342, now seen corresponding path program 2 times [2021-11-23 14:20:48,674 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:20:48,674 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [123368852] [2021-11-23 14:20:48,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:20:48,675 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:20:48,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:20:48,817 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-23 14:20:48,818 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:20:48,818 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [123368852] [2021-11-23 14:20:48,818 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [123368852] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 14:20:48,819 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [920565547] [2021-11-23 14:20:48,819 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-23 14:20:48,820 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 14:20:48,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be38c9cc-efe7-49d2-8785-d8cd26f4f4b4/bin/ugemcutter-aZbSL5k0Dw/z3 [2021-11-23 14:20:48,826 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be38c9cc-efe7-49d2-8785-d8cd26f4f4b4/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 14:20:48,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be38c9cc-efe7-49d2-8785-d8cd26f4f4b4/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-23 14:20:48,969 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-23 14:20:48,969 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-23 14:20:48,971 INFO L263 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-23 14:20:48,979 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 14:20:49,240 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-23 14:20:49,241 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 14:20:49,418 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-23 14:20:49,418 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [920565547] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 14:20:49,418 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-23 14:20:49,419 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2021-11-23 14:20:49,419 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672073122] [2021-11-23 14:20:49,420 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-23 14:20:49,421 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-23 14:20:49,421 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:20:49,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-23 14:20:49,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2021-11-23 14:20:49,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:20:49,423 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-23 14:20:49,423 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 13.8) internal successors, (138), 10 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:20:49,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:20:49,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:20:49,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:20:49,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:20:49,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:20:49,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:20:49,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:20:49,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-23 14:20:49,512 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be38c9cc-efe7-49d2-8785-d8cd26f4f4b4/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-23 14:20:49,702 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be38c9cc-efe7-49d2-8785-d8cd26f4f4b4/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 14:20:49,703 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 14:20:49,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:20:49,703 INFO L85 PathProgramCache]: Analyzing trace with hash -295729537, now seen corresponding path program 1 times [2021-11-23 14:20:49,703 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:20:49,704 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [688288620] [2021-11-23 14:20:49,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:20:49,704 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:20:49,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:20:49,825 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 14:20:49,825 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:20:49,825 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [688288620] [2021-11-23 14:20:49,826 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [688288620] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 14:20:49,826 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1558463620] [2021-11-23 14:20:49,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:20:49,827 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 14:20:49,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be38c9cc-efe7-49d2-8785-d8cd26f4f4b4/bin/ugemcutter-aZbSL5k0Dw/z3 [2021-11-23 14:20:49,830 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be38c9cc-efe7-49d2-8785-d8cd26f4f4b4/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 14:20:49,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be38c9cc-efe7-49d2-8785-d8cd26f4f4b4/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-23 14:20:49,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:20:49,931 INFO L263 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-23 14:20:49,934 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 14:20:50,155 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 14:20:50,156 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 14:20:50,422 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 14:20:50,430 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1558463620] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 14:20:50,432 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-23 14:20:50,433 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2021-11-23 14:20:50,433 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406926007] [2021-11-23 14:20:50,433 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-23 14:20:50,434 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-11-23 14:20:50,435 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:20:50,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-11-23 14:20:50,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2021-11-23 14:20:50,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:20:50,443 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-23 14:20:50,444 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 6.166666666666667) internal successors, (111), 18 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:20:50,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:20:50,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:20:50,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:20:50,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-23 14:20:50,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:20:50,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:20:50,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:20:50,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:20:50,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-23 14:20:50,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-23 14:20:50,739 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be38c9cc-efe7-49d2-8785-d8cd26f4f4b4/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-23 14:20:50,905 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be38c9cc-efe7-49d2-8785-d8cd26f4f4b4/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 14:20:50,906 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 14:20:50,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:20:50,907 INFO L85 PathProgramCache]: Analyzing trace with hash -1791041729, now seen corresponding path program 2 times [2021-11-23 14:20:50,907 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:20:50,907 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1657056778] [2021-11-23 14:20:50,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:20:50,907 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:20:50,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:20:51,131 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 14:20:51,132 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:20:51,132 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1657056778] [2021-11-23 14:20:51,132 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1657056778] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 14:20:51,132 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [769992682] [2021-11-23 14:20:51,133 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-23 14:20:51,133 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 14:20:51,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be38c9cc-efe7-49d2-8785-d8cd26f4f4b4/bin/ugemcutter-aZbSL5k0Dw/z3 [2021-11-23 14:20:51,138 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be38c9cc-efe7-49d2-8785-d8cd26f4f4b4/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 14:20:51,158 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be38c9cc-efe7-49d2-8785-d8cd26f4f4b4/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-23 14:20:51,217 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-23 14:20:51,217 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-23 14:20:51,218 INFO L263 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-23 14:20:51,221 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 14:20:51,459 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 14:20:51,459 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 14:20:51,796 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 14:20:51,797 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [769992682] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 14:20:51,797 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-23 14:20:51,797 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 23 [2021-11-23 14:20:51,798 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1780335102] [2021-11-23 14:20:51,798 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-23 14:20:51,799 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2021-11-23 14:20:51,799 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:20:51,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-11-23 14:20:51,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2021-11-23 14:20:51,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:20:51,801 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-23 14:20:51,801 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 5.478260869565218) internal successors, (126), 23 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:20:51,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:20:51,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:20:51,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:20:51,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-23 14:20:51,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-11-23 14:20:51,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:20:52,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:20:52,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:20:52,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:20:52,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-23 14:20:52,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-23 14:20:52,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-11-23 14:20:52,186 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be38c9cc-efe7-49d2-8785-d8cd26f4f4b4/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-23 14:20:52,368 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be38c9cc-efe7-49d2-8785-d8cd26f4f4b4/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 14:20:52,368 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 14:20:52,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:20:52,369 INFO L85 PathProgramCache]: Analyzing trace with hash -2079602234, now seen corresponding path program 3 times [2021-11-23 14:20:52,369 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:20:52,369 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1810956832] [2021-11-23 14:20:52,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:20:52,369 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:20:52,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:20:53,584 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2021-11-23 14:20:53,585 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:20:53,585 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1810956832] [2021-11-23 14:20:53,585 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1810956832] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 14:20:53,585 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [315333835] [2021-11-23 14:20:53,586 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-23 14:20:53,586 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 14:20:53,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be38c9cc-efe7-49d2-8785-d8cd26f4f4b4/bin/ugemcutter-aZbSL5k0Dw/z3 [2021-11-23 14:20:53,591 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be38c9cc-efe7-49d2-8785-d8cd26f4f4b4/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 14:20:53,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be38c9cc-efe7-49d2-8785-d8cd26f4f4b4/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-23 14:20:53,692 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-11-23 14:20:53,693 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-23 14:20:53,694 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-23 14:20:53,699 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 14:20:53,817 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2021-11-23 14:20:54,364 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-23 14:20:54,364 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2021-11-23 14:20:54,454 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 22 [2021-11-23 14:20:54,459 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2021-11-23 14:20:54,729 INFO L354 Elim1Store]: treesize reduction 30, result has 14.3 percent of original size [2021-11-23 14:20:54,730 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 26 [2021-11-23 14:20:54,738 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2021-11-23 14:20:54,794 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2021-11-23 14:20:54,868 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 239 trivial. 0 not checked. [2021-11-23 14:20:54,868 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 14:21:02,983 WARN L838 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_main_#t~pre46#1| Int) (|~#a~0.offset| Int) (|ULTIMATE.start_main_~i~3#1| Int) (|t_funThread1of1ForFork0_~i~0#1| Int)) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base|) (+ |c_ULTIMATE.start_main_~#t_ids~0#1.offset| (* |ULTIMATE.start_main_~i~3#1| 4)) |ULTIMATE.start_main_#t~pre46#1|)) |c_~#a~0.base|) (+ (* |t_funThread1of1ForFork0_~i~0#1| 28) |~#a~0.offset|)) 0)) is different from false [2021-11-23 14:21:04,362 WARN L838 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_main_#t~pre46#1| Int) (|~#a~0.offset| Int) (|v_ULTIMATE.start_main_~i~3#1_17| Int) (|ULTIMATE.start_main_~i~3#1| Int) (|ULTIMATE.start_main_~#t_ids~0#1.offset| Int) (|v_ULTIMATE.start_main_#t~pre46#1_19| Int) (|t_funThread1of1ForFork0_~i~0#1| Int)) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base|) (+ |ULTIMATE.start_main_~#t_ids~0#1.offset| (* |ULTIMATE.start_main_~i~3#1| 4)) |ULTIMATE.start_main_#t~pre46#1|) (+ |ULTIMATE.start_main_~#t_ids~0#1.offset| (* |v_ULTIMATE.start_main_~i~3#1_17| 4)) |v_ULTIMATE.start_main_#t~pre46#1_19|)) |c_~#a~0.base|) (+ (* |t_funThread1of1ForFork0_~i~0#1| 28) |~#a~0.offset|)) 0)) is different from false [2021-11-23 14:21:05,853 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 105 treesize of output 103 [2021-11-23 14:21:05,862 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 176 treesize of output 170 [2021-11-23 14:21:07,926 INFO L354 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2021-11-23 14:21:07,927 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 12 [2021-11-23 14:21:07,951 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 5 not checked. [2021-11-23 14:21:07,951 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [315333835] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 14:21:07,951 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-23 14:21:07,952 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 10, 11] total 31 [2021-11-23 14:21:07,952 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1396790602] [2021-11-23 14:21:07,952 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-23 14:21:07,953 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2021-11-23 14:21:07,953 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:21:07,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-11-23 14:21:07,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=706, Unknown=6, NotChecked=110, Total=930 [2021-11-23 14:21:07,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:21:07,955 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-23 14:21:07,955 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 6.67741935483871) internal successors, (207), 31 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:21:07,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:21:07,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:21:07,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:21:07,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-23 14:21:07,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-11-23 14:21:07,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-11-23 14:21:07,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:21:24,081 WARN L227 SmtUtils]: Spent 10.09s on a formula simplification. DAG size of input: 53 DAG size of output: 30 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-23 14:21:46,267 WARN L227 SmtUtils]: Spent 22.14s on a formula simplification. DAG size of input: 56 DAG size of output: 33 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-23 14:21:54,369 WARN L227 SmtUtils]: Spent 8.05s on a formula simplification. DAG size of input: 45 DAG size of output: 26 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-23 14:22:02,473 WARN L227 SmtUtils]: Spent 8.05s on a formula simplification. DAG size of input: 47 DAG size of output: 28 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-23 14:22:10,574 WARN L227 SmtUtils]: Spent 8.07s on a formula simplification. DAG size of input: 47 DAG size of output: 26 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-23 14:22:20,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:22:20,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:22:20,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:22:20,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-23 14:22:20,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-23 14:22:20,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-11-23 14:22:20,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-11-23 14:22:20,080 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-23 14:22:20,105 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be38c9cc-efe7-49d2-8785-d8cd26f4f4b4/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-23 14:22:20,280 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be38c9cc-efe7-49d2-8785-d8cd26f4f4b4/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 14:22:20,293 INFO L732 BasicCegarLoop]: Path program histogram: [3, 2, 1, 1] [2021-11-23 14:22:20,294 INFO L308 ceAbstractionStarter]: Result for error location t_funThread1of1ForFork0 was SAFE (1/2) [2021-11-23 14:22:20,297 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-11-23 14:22:20,297 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be38c9cc-efe7-49d2-8785-d8cd26f4f4b4/bin/ugemcutter-aZbSL5k0Dw/z3 [2021-11-23 14:22:20,312 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be38c9cc-efe7-49d2-8785-d8cd26f4f4b4/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-11-23 14:22:20,313 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be38c9cc-efe7-49d2-8785-d8cd26f4f4b4/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (8)] Waiting until timeout for monitored process [2021-11-23 14:22:20,314 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-11-23 14:22:20,315 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-23 14:22:20,315 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-23 14:22:20,323 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-23 14:22:20,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:22:20,324 INFO L85 PathProgramCache]: Analyzing trace with hash 1903415549, now seen corresponding path program 1 times [2021-11-23 14:22:20,324 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:22:20,324 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943071320] [2021-11-23 14:22:20,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:22:20,325 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:22:20,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:22:20,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 14:22:20,346 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:22:20,346 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [943071320] [2021-11-23 14:22:20,347 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [943071320] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 14:22:20,347 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 14:22:20,347 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 14:22:20,347 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102040861] [2021-11-23 14:22:20,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 14:22:20,348 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-23 14:22:20,348 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:22:20,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-23 14:22:20,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-23 14:22:20,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:22:20,355 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-23 14:22:20,355 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:22:20,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:22:20,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:22:20,360 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-23 14:22:20,360 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-23 14:22:20,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:22:20,360 INFO L85 PathProgramCache]: Analyzing trace with hash -1211694797, now seen corresponding path program 1 times [2021-11-23 14:22:20,361 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:22:20,361 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1786483825] [2021-11-23 14:22:20,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:22:20,361 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:22:20,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:22:20,399 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 14:22:20,399 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:22:20,400 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1786483825] [2021-11-23 14:22:20,400 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1786483825] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 14:22:20,400 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 14:22:20,400 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 14:22:20,400 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831877067] [2021-11-23 14:22:20,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 14:22:20,401 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 14:22:20,401 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:22:20,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 14:22:20,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 14:22:20,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:22:20,402 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-23 14:22:20,403 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:22:20,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:22:20,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:22:20,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:22:20,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:22:20,414 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-23 14:22:20,414 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-23 14:22:20,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:22:20,415 INFO L85 PathProgramCache]: Analyzing trace with hash -1970782420, now seen corresponding path program 1 times [2021-11-23 14:22:20,415 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:22:20,415 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314530119] [2021-11-23 14:22:20,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:22:20,416 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:22:20,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:22:20,459 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 14:22:20,459 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:22:20,459 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [314530119] [2021-11-23 14:22:20,460 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [314530119] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 14:22:20,460 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2034719597] [2021-11-23 14:22:20,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:22:20,460 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 14:22:20,461 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be38c9cc-efe7-49d2-8785-d8cd26f4f4b4/bin/ugemcutter-aZbSL5k0Dw/z3 [2021-11-23 14:22:20,465 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be38c9cc-efe7-49d2-8785-d8cd26f4f4b4/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 14:22:20,482 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be38c9cc-efe7-49d2-8785-d8cd26f4f4b4/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-11-23 14:22:20,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:22:20,535 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-23 14:22:20,537 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 14:22:20,644 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 14:22:20,644 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 14:22:20,645 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2034719597] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 14:22:20,645 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-23 14:22:20,645 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2021-11-23 14:22:20,649 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217535145] [2021-11-23 14:22:20,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 14:22:20,650 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 14:22:20,650 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:22:20,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 14:22:20,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-23 14:22:20,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:22:20,652 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-23 14:22:20,652 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 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) [2021-11-23 14:22:20,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:22:20,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:22:20,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:22:20,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:22:20,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:22:20,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:22:20,810 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be38c9cc-efe7-49d2-8785-d8cd26f4f4b4/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-11-23 14:22:20,988 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be38c9cc-efe7-49d2-8785-d8cd26f4f4b4/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 14:22:20,988 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-23 14:22:20,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:22:20,988 INFO L85 PathProgramCache]: Analyzing trace with hash 900889452, now seen corresponding path program 1 times [2021-11-23 14:22:20,988 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:22:20,989 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [449199168] [2021-11-23 14:22:20,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:22:20,989 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:22:20,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:22:21,027 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 14:22:21,028 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:22:21,028 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [449199168] [2021-11-23 14:22:21,028 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [449199168] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 14:22:21,028 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1445910767] [2021-11-23 14:22:21,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:22:21,029 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 14:22:21,029 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be38c9cc-efe7-49d2-8785-d8cd26f4f4b4/bin/ugemcutter-aZbSL5k0Dw/z3 [2021-11-23 14:22:21,030 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be38c9cc-efe7-49d2-8785-d8cd26f4f4b4/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 14:22:21,049 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be38c9cc-efe7-49d2-8785-d8cd26f4f4b4/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-11-23 14:22:21,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:22:21,098 INFO L263 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-23 14:22:21,100 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 14:22:21,229 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 14:22:21,230 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 14:22:21,381 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 14:22:21,381 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1445910767] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 14:22:21,382 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-23 14:22:21,382 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2021-11-23 14:22:21,382 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232551930] [2021-11-23 14:22:21,382 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-23 14:22:21,383 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-23 14:22:21,383 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:22:21,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-23 14:22:21,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2021-11-23 14:22:21,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:22:21,384 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-23 14:22:21,384 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.6) internal successors, (86), 10 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:22:21,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:22:21,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:22:21,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:22:21,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:22:21,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:22:21,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:22:21,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:22:21,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:22:21,499 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be38c9cc-efe7-49d2-8785-d8cd26f4f4b4/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-11-23 14:22:21,666 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be38c9cc-efe7-49d2-8785-d8cd26f4f4b4/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 14:22:21,666 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-23 14:22:21,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:22:21,667 INFO L85 PathProgramCache]: Analyzing trace with hash -931238132, now seen corresponding path program 2 times [2021-11-23 14:22:21,667 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:22:21,667 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1480053829] [2021-11-23 14:22:21,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:22:21,668 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:22:21,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:22:21,750 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-23 14:22:21,750 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:22:21,750 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1480053829] [2021-11-23 14:22:21,750 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1480053829] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 14:22:21,751 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [214727122] [2021-11-23 14:22:21,751 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-23 14:22:21,751 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 14:22:21,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be38c9cc-efe7-49d2-8785-d8cd26f4f4b4/bin/ugemcutter-aZbSL5k0Dw/z3 [2021-11-23 14:22:21,752 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be38c9cc-efe7-49d2-8785-d8cd26f4f4b4/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 14:22:21,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be38c9cc-efe7-49d2-8785-d8cd26f4f4b4/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-11-23 14:22:21,833 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-23 14:22:21,833 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-23 14:22:21,835 INFO L263 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-23 14:22:21,836 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 14:22:22,001 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-23 14:22:22,001 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 14:22:22,149 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-23 14:22:22,149 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [214727122] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 14:22:22,149 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-23 14:22:22,149 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2021-11-23 14:22:22,149 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1972980168] [2021-11-23 14:22:22,150 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-23 14:22:22,150 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-23 14:22:22,150 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:22:22,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-23 14:22:22,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2021-11-23 14:22:22,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:22:22,151 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-23 14:22:22,151 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 11.4) internal successors, (114), 10 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:22:22,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:22:22,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:22:22,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:22:22,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:22:22,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:22:22,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:22:22,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:22:22,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:22:22,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:22:22,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-23 14:22:22,233 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be38c9cc-efe7-49d2-8785-d8cd26f4f4b4/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-11-23 14:22:22,397 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be38c9cc-efe7-49d2-8785-d8cd26f4f4b4/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-11-23 14:22:22,398 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-23 14:22:22,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:22:22,398 INFO L85 PathProgramCache]: Analyzing trace with hash 64093480, now seen corresponding path program 1 times [2021-11-23 14:22:22,398 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:22:22,398 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289654246] [2021-11-23 14:22:22,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:22:22,399 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:22:22,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:22:22,469 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 14:22:22,470 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:22:22,470 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289654246] [2021-11-23 14:22:22,470 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1289654246] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 14:22:22,470 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1574554067] [2021-11-23 14:22:22,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:22:22,471 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 14:22:22,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be38c9cc-efe7-49d2-8785-d8cd26f4f4b4/bin/ugemcutter-aZbSL5k0Dw/z3 [2021-11-23 14:22:22,475 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be38c9cc-efe7-49d2-8785-d8cd26f4f4b4/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 14:22:22,501 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be38c9cc-efe7-49d2-8785-d8cd26f4f4b4/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-11-23 14:22:22,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:22:22,553 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-23 14:22:22,554 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 14:22:22,700 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 14:22:22,700 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 14:22:22,916 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 14:22:22,916 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1574554067] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 14:22:22,916 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-23 14:22:22,916 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2021-11-23 14:22:22,917 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [985327903] [2021-11-23 14:22:22,917 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-23 14:22:22,917 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-11-23 14:22:22,917 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:22:22,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-11-23 14:22:22,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2021-11-23 14:22:22,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:22:22,918 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-23 14:22:22,919 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 5.111111111111111) internal successors, (92), 18 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:22:22,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:22:22,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:22:22,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:22:22,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:22:22,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-23 14:22:22,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:22:23,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:22:23,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:22:23,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:22:23,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:22:23,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-23 14:22:23,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-23 14:22:23,165 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be38c9cc-efe7-49d2-8785-d8cd26f4f4b4/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2021-11-23 14:22:23,325 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be38c9cc-efe7-49d2-8785-d8cd26f4f4b4/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 14:22:23,326 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-23 14:22:23,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:22:23,326 INFO L85 PathProgramCache]: Analyzing trace with hash -1941578648, now seen corresponding path program 2 times [2021-11-23 14:22:23,326 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:22:23,326 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348848824] [2021-11-23 14:22:23,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:22:23,327 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:22:23,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:22:23,503 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 14:22:23,503 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:22:23,503 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1348848824] [2021-11-23 14:22:23,503 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1348848824] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 14:22:23,503 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1995103359] [2021-11-23 14:22:23,503 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-23 14:22:23,504 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 14:22:23,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be38c9cc-efe7-49d2-8785-d8cd26f4f4b4/bin/ugemcutter-aZbSL5k0Dw/z3 [2021-11-23 14:22:23,511 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be38c9cc-efe7-49d2-8785-d8cd26f4f4b4/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 14:22:23,518 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be38c9cc-efe7-49d2-8785-d8cd26f4f4b4/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-11-23 14:22:23,616 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-23 14:22:23,616 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-23 14:22:23,618 INFO L263 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-23 14:22:23,620 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 14:22:23,846 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 14:22:23,846 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 14:22:24,099 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 14:22:24,100 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1995103359] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 14:22:24,100 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-23 14:22:24,100 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 23 [2021-11-23 14:22:24,102 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1284962403] [2021-11-23 14:22:24,102 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-23 14:22:24,104 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2021-11-23 14:22:24,104 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:22:24,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-11-23 14:22:24,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2021-11-23 14:22:24,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:22:24,105 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-23 14:22:24,106 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 4.6521739130434785) internal successors, (107), 23 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:22:24,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:22:24,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:22:24,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:22:24,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:22:24,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-23 14:22:24,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-11-23 14:22:24,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:22:24,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:22:24,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:22:24,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:22:24,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:22:24,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-23 14:22:24,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-23 14:22:24,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-11-23 14:22:24,463 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be38c9cc-efe7-49d2-8785-d8cd26f4f4b4/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2021-11-23 14:22:24,634 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be38c9cc-efe7-49d2-8785-d8cd26f4f4b4/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-11-23 14:22:24,635 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-23 14:22:24,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:22:24,635 INFO L85 PathProgramCache]: Analyzing trace with hash -1081333439, now seen corresponding path program 3 times [2021-11-23 14:22:24,635 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:22:24,635 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [59574776] [2021-11-23 14:22:24,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:22:24,636 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:22:24,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 14:22:24,682 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 14:22:24,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 14:22:24,765 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 14:22:24,766 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-23 14:22:24,766 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 2 remaining) [2021-11-23 14:22:24,766 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2021-11-23 14:22:24,767 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-11-23 14:22:24,769 INFO L732 BasicCegarLoop]: Path program histogram: [3, 2, 1, 1, 1] [2021-11-23 14:22:24,770 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE,UNKNOWN (2/2) [2021-11-23 14:22:24,771 WARN L234 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2021-11-23 14:22:24,771 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2021-11-23 14:22:24,798 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,798 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,798 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,799 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,799 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,799 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,799 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,799 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,799 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,800 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,800 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,800 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,800 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,800 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,801 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,801 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,801 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,801 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,801 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,801 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,802 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,802 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,802 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,802 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,802 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,802 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,803 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,803 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,803 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,803 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,803 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,804 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,804 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,804 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,804 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,804 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,804 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,805 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,805 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,805 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,805 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,805 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,805 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,806 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,806 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,806 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,806 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,806 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,806 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,807 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,807 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,807 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,807 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,807 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,807 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,808 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,808 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,808 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,808 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,808 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,808 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,809 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,809 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,809 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,809 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,809 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,809 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,810 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,810 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,810 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,810 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,810 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,810 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,811 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,811 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,811 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,811 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,811 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,812 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,812 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,812 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,812 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,812 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,813 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~mem42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,813 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,813 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~mem42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,813 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,813 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~mem36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,813 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,814 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~mem36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,814 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,814 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,815 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~mem36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,815 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,815 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~mem36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,815 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,815 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,816 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~mem39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,816 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,816 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~mem39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,816 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~mem42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,816 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,816 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~mem42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,817 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,817 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,817 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,817 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,817 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,817 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~mem39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,818 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,818 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~mem39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,818 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,818 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,819 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,819 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~mem36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,819 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~mem36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,819 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,819 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,819 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,820 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,820 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,820 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,820 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,820 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,820 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,826 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,828 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~mem39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,828 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~mem39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,828 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,828 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,829 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,829 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,829 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,829 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,829 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~mem42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,830 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~mem42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,830 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,830 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,831 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,831 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,831 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,831 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,831 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,831 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,831 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,832 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,832 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,832 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,832 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,832 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,832 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,833 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,833 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,833 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,833 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,833 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,833 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,834 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,834 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,834 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,834 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,834 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,834 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,835 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,835 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,835 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,835 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,835 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,835 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,836 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,836 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,836 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,836 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,836 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,836 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,837 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,837 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,837 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,837 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,837 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,837 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,838 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,838 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,838 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,838 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,838 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,838 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,839 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,839 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,839 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,839 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,839 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,839 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,840 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,840 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,840 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,840 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,840 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,840 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,841 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,841 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,841 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,841 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,841 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,841 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,841 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,842 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,842 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,842 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,842 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,842 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,843 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,843 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,843 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,843 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,843 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,843 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,844 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,844 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,844 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~mem42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,844 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,844 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~mem42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,845 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,845 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~mem36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,845 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,845 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~mem36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,845 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,845 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,846 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~mem36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,846 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,846 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~mem36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,846 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,846 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,846 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~mem39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,847 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,847 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~mem39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,847 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~mem42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,847 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,847 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~mem42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,847 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,848 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,848 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,848 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,848 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,848 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~mem39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,848 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,848 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~mem39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,849 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,849 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,849 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,849 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~mem36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,849 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~mem36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,849 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,851 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,851 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,851 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,851 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,851 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,852 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,852 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,852 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,852 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,852 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~mem39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,852 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~mem39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,853 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,853 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,853 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,853 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,853 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,853 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,854 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~mem42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,854 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~mem42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,855 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,855 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,855 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,855 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,855 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,855 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,856 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,856 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,856 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,856 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~mem36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,856 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,856 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,857 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,857 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~mem42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,857 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,857 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,857 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,857 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,858 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,858 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,858 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,858 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,858 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~mem39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,859 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,859 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,859 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,860 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,860 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~mem42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,860 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,860 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,860 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,860 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,861 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,861 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,861 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,861 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~mem39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,861 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,861 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,862 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,862 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,862 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,862 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,862 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,862 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~mem36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,863 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,863 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:24,864 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-11-23 14:22:24,866 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-11-23 14:22:24,866 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be38c9cc-efe7-49d2-8785-d8cd26f4f4b4/bin/ugemcutter-aZbSL5k0Dw/z3 [2021-11-23 14:22:24,867 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be38c9cc-efe7-49d2-8785-d8cd26f4f4b4/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-11-23 14:22:24,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be38c9cc-efe7-49d2-8785-d8cd26f4f4b4/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (14)] Waiting until timeout for monitored process [2021-11-23 14:22:24,871 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t_funThread1of2ForFork0 ======== [2021-11-23 14:22:24,872 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-23 14:22:24,872 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 14:22:25,138 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 14:22:25,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:22:25,139 INFO L85 PathProgramCache]: Analyzing trace with hash 809780420, now seen corresponding path program 1 times [2021-11-23 14:22:25,139 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:22:25,139 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755805945] [2021-11-23 14:22:25,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:22:25,140 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:22:25,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:22:25,172 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2021-11-23 14:22:25,173 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:22:25,173 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [755805945] [2021-11-23 14:22:25,173 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [755805945] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 14:22:25,173 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 14:22:25,173 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 14:22:25,173 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261062174] [2021-11-23 14:22:25,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 14:22:25,174 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-23 14:22:25,174 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:22:25,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-23 14:22:25,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-23 14:22:25,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:22:25,175 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-23 14:22:25,175 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 67.0) internal successors, (134), 2 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:22:25,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:22:41,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:22:41,991 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-11-23 14:22:41,992 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 14:22:41,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:22:41,992 INFO L85 PathProgramCache]: Analyzing trace with hash -928434318, now seen corresponding path program 1 times [2021-11-23 14:22:41,992 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:22:41,993 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [381452280] [2021-11-23 14:22:41,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:22:41,993 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:22:42,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:22:42,014 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 14:22:42,014 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:22:42,015 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [381452280] [2021-11-23 14:22:42,015 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [381452280] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 14:22:42,015 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 14:22:42,015 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 14:22:42,015 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1443233734] [2021-11-23 14:22:42,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 14:22:42,016 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 14:22:42,016 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:22:42,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 14:22:42,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 14:22:42,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:22:42,017 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-23 14:22:42,018 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 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) [2021-11-23 14:22:42,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:22:42,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:22:42,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:22:42,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:22:42,033 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-11-23 14:22:42,034 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 14:22:42,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:22:42,034 INFO L85 PathProgramCache]: Analyzing trace with hash -956895234, now seen corresponding path program 1 times [2021-11-23 14:22:42,034 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:22:42,035 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626033249] [2021-11-23 14:22:42,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:22:42,035 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:22:42,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:22:42,068 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 14:22:42,068 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:22:42,068 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1626033249] [2021-11-23 14:22:42,069 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1626033249] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 14:22:42,069 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [683563661] [2021-11-23 14:22:42,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:22:42,069 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 14:22:42,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be38c9cc-efe7-49d2-8785-d8cd26f4f4b4/bin/ugemcutter-aZbSL5k0Dw/z3 [2021-11-23 14:22:42,074 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be38c9cc-efe7-49d2-8785-d8cd26f4f4b4/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 14:22:42,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be38c9cc-efe7-49d2-8785-d8cd26f4f4b4/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2021-11-23 14:22:42,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:22:42,170 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-23 14:22:42,172 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 14:22:42,313 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 14:22:42,313 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 14:22:42,501 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 14:22:42,501 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [683563661] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 14:22:42,502 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-23 14:22:42,502 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2021-11-23 14:22:42,502 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689268607] [2021-11-23 14:22:42,502 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-23 14:22:42,504 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-23 14:22:42,504 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:22:42,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-23 14:22:42,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2021-11-23 14:22:42,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:22:42,505 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-23 14:22:42,506 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.3) internal successors, (93), 10 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:22:42,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:22:42,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:22:42,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:22:42,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:22:42,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:22:42,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:22:42,633 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be38c9cc-efe7-49d2-8785-d8cd26f4f4b4/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2021-11-23 14:22:42,806 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be38c9cc-efe7-49d2-8785-d8cd26f4f4b4/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-11-23 14:22:42,807 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 14:22:42,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:22:42,807 INFO L85 PathProgramCache]: Analyzing trace with hash -1426315138, now seen corresponding path program 2 times [2021-11-23 14:22:42,807 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:22:42,807 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [604732009] [2021-11-23 14:22:42,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:22:42,808 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:22:42,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:22:42,869 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-23 14:22:42,869 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:22:42,869 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [604732009] [2021-11-23 14:22:42,869 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [604732009] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 14:22:42,870 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [711965245] [2021-11-23 14:22:42,870 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-23 14:22:42,870 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 14:22:42,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be38c9cc-efe7-49d2-8785-d8cd26f4f4b4/bin/ugemcutter-aZbSL5k0Dw/z3 [2021-11-23 14:22:42,877 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be38c9cc-efe7-49d2-8785-d8cd26f4f4b4/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 14:22:42,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be38c9cc-efe7-49d2-8785-d8cd26f4f4b4/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2021-11-23 14:22:42,959 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-23 14:22:42,960 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-23 14:22:42,961 INFO L263 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-23 14:22:42,963 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 14:22:43,108 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-23 14:22:43,109 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 14:22:43,273 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-23 14:22:43,274 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [711965245] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 14:22:43,274 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-23 14:22:43,274 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2021-11-23 14:22:43,275 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137113282] [2021-11-23 14:22:43,275 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-23 14:22:43,275 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-23 14:22:43,276 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:22:43,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-23 14:22:43,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2021-11-23 14:22:43,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:22:43,277 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-23 14:22:43,277 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 13.8) internal successors, (138), 10 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:22:43,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:22:43,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:22:43,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:22:43,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:22:43,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:22:43,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:22:43,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:22:43,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:22:43,422 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be38c9cc-efe7-49d2-8785-d8cd26f4f4b4/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2021-11-23 14:22:43,594 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be38c9cc-efe7-49d2-8785-d8cd26f4f4b4/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 14:22:43,594 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 14:22:43,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:22:43,595 INFO L85 PathProgramCache]: Analyzing trace with hash -1412695547, now seen corresponding path program 1 times [2021-11-23 14:22:43,595 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:22:43,595 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [198854092] [2021-11-23 14:22:43,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:22:43,596 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:22:43,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:22:43,705 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 14:22:43,705 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:22:43,706 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [198854092] [2021-11-23 14:22:43,706 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [198854092] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 14:22:43,706 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [267990652] [2021-11-23 14:22:43,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:22:43,706 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 14:22:43,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be38c9cc-efe7-49d2-8785-d8cd26f4f4b4/bin/ugemcutter-aZbSL5k0Dw/z3 [2021-11-23 14:22:43,711 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be38c9cc-efe7-49d2-8785-d8cd26f4f4b4/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 14:22:43,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be38c9cc-efe7-49d2-8785-d8cd26f4f4b4/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2021-11-23 14:22:43,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:22:43,808 INFO L263 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-23 14:22:43,810 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 14:22:43,969 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 14:22:43,969 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 14:22:44,232 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 14:22:44,232 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [267990652] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 14:22:44,232 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-23 14:22:44,232 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2021-11-23 14:22:44,233 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255747475] [2021-11-23 14:22:44,233 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-23 14:22:44,233 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-11-23 14:22:44,234 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:22:44,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-11-23 14:22:44,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2021-11-23 14:22:44,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:22:44,235 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-23 14:22:44,235 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 6.666666666666667) internal successors, (120), 18 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:22:44,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:22:44,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:22:44,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:22:44,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:22:44,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:22:44,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:22:44,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:22:44,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:22:44,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:22:44,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-23 14:22:44,445 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be38c9cc-efe7-49d2-8785-d8cd26f4f4b4/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2021-11-23 14:22:44,630 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be38c9cc-efe7-49d2-8785-d8cd26f4f4b4/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 14:22:44,631 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 14:22:44,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:22:44,631 INFO L85 PathProgramCache]: Analyzing trace with hash -680097019, now seen corresponding path program 2 times [2021-11-23 14:22:44,631 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:22:44,631 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1264308800] [2021-11-23 14:22:44,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:22:44,632 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:22:44,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:22:44,806 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 14:22:44,806 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:22:44,806 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1264308800] [2021-11-23 14:22:44,807 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1264308800] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 14:22:44,807 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1172629642] [2021-11-23 14:22:44,807 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-23 14:22:44,807 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 14:22:44,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be38c9cc-efe7-49d2-8785-d8cd26f4f4b4/bin/ugemcutter-aZbSL5k0Dw/z3 [2021-11-23 14:22:44,809 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be38c9cc-efe7-49d2-8785-d8cd26f4f4b4/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 14:22:44,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be38c9cc-efe7-49d2-8785-d8cd26f4f4b4/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2021-11-23 14:22:45,106 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-23 14:22:45,106 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-23 14:22:45,107 INFO L263 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-23 14:22:45,109 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 14:22:45,336 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 14:22:45,337 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 14:22:45,623 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 14:22:45,623 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1172629642] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 14:22:45,623 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-23 14:22:45,624 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 23 [2021-11-23 14:22:45,624 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418541181] [2021-11-23 14:22:45,624 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-23 14:22:45,624 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2021-11-23 14:22:45,625 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:22:45,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-11-23 14:22:45,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2021-11-23 14:22:45,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:22:45,626 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-23 14:22:45,626 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 5.869565217391305) internal successors, (135), 23 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:22:45,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:22:45,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:22:45,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:22:45,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:22:45,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-11-23 14:22:45,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:22:45,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:22:45,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:22:45,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:22:45,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:22:45,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-23 14:22:45,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-11-23 14:22:45,933 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be38c9cc-efe7-49d2-8785-d8cd26f4f4b4/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2021-11-23 14:22:46,112 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be38c9cc-efe7-49d2-8785-d8cd26f4f4b4/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2021-11-23 14:22:46,112 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 14:22:46,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:22:46,113 INFO L85 PathProgramCache]: Analyzing trace with hash 928986745, now seen corresponding path program 3 times [2021-11-23 14:22:46,113 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:22:46,113 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [338899009] [2021-11-23 14:22:46,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:22:46,113 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:22:46,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:22:46,970 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2021-11-23 14:22:46,970 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:22:46,970 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [338899009] [2021-11-23 14:22:46,970 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [338899009] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 14:22:46,970 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1386447557] [2021-11-23 14:22:46,970 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-23 14:22:46,971 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 14:22:46,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be38c9cc-efe7-49d2-8785-d8cd26f4f4b4/bin/ugemcutter-aZbSL5k0Dw/z3 [2021-11-23 14:22:46,975 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be38c9cc-efe7-49d2-8785-d8cd26f4f4b4/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 14:22:46,982 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be38c9cc-efe7-49d2-8785-d8cd26f4f4b4/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2021-11-23 14:22:47,066 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-11-23 14:22:47,067 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-23 14:22:47,068 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-23 14:22:47,072 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 14:22:47,148 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2021-11-23 14:22:47,717 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-23 14:22:47,717 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2021-11-23 14:22:47,789 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 22 [2021-11-23 14:22:47,793 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2021-11-23 14:22:48,106 INFO L354 Elim1Store]: treesize reduction 30, result has 14.3 percent of original size [2021-11-23 14:22:48,107 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 26 [2021-11-23 14:22:48,111 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2021-11-23 14:22:48,246 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2021-11-23 14:22:48,313 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 239 trivial. 0 not checked. [2021-11-23 14:22:48,314 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 14:22:54,469 WARN L838 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_main_#t~pre46#1| Int) (|~#a~0.offset| Int) (|ULTIMATE.start_main_~i~3#1| Int) (|t_funThread1of2ForFork0_~i~0#1| Int)) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base|) (+ |c_ULTIMATE.start_main_~#t_ids~0#1.offset| (* |ULTIMATE.start_main_~i~3#1| 4)) |ULTIMATE.start_main_#t~pre46#1|)) |c_~#a~0.base|) (+ (* |t_funThread1of2ForFork0_~i~0#1| 28) |~#a~0.offset|)) 0)) is different from false [2021-11-23 14:22:55,710 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~i~3#1_40| Int) (|v_ULTIMATE.start_main_#t~pre46#1_51| Int) (|ULTIMATE.start_main_#t~pre46#1| Int) (|~#a~0.offset| Int) (|ULTIMATE.start_main_~i~3#1| Int) (|t_funThread1of2ForFork0_~i~0#1| Int) (|ULTIMATE.start_main_~#t_ids~0#1.offset| Int)) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base|) (+ |ULTIMATE.start_main_~#t_ids~0#1.offset| (* |ULTIMATE.start_main_~i~3#1| 4)) |ULTIMATE.start_main_#t~pre46#1|) (+ |ULTIMATE.start_main_~#t_ids~0#1.offset| (* |v_ULTIMATE.start_main_~i~3#1_40| 4)) |v_ULTIMATE.start_main_#t~pre46#1_51|)) |c_~#a~0.base|) (+ (* |t_funThread1of2ForFork0_~i~0#1| 28) |~#a~0.offset|)) 0)) is different from false [2021-11-23 14:22:57,111 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 105 treesize of output 103 [2021-11-23 14:22:57,116 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 176 treesize of output 170 [2021-11-23 14:22:59,178 INFO L354 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2021-11-23 14:22:59,178 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 12 [2021-11-23 14:22:59,199 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 10 not checked. [2021-11-23 14:22:59,200 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1386447557] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 14:22:59,200 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-23 14:22:59,200 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 10, 11] total 30 [2021-11-23 14:22:59,200 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [736363446] [2021-11-23 14:22:59,201 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-23 14:22:59,201 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2021-11-23 14:22:59,202 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:22:59,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-11-23 14:22:59,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=659, Unknown=5, NotChecked=106, Total=870 [2021-11-23 14:22:59,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:22:59,203 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-23 14:22:59,204 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 8.3) internal successors, (249), 30 states have internal predecessors, (249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:22:59,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:22:59,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:22:59,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:22:59,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:22:59,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-11-23 14:22:59,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-11-23 14:22:59,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:22:59,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:22:59,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:22:59,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:22:59,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:22:59,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-23 14:22:59,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-11-23 14:22:59,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-23 14:23:00,005 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be38c9cc-efe7-49d2-8785-d8cd26f4f4b4/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2021-11-23 14:23:00,194 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be38c9cc-efe7-49d2-8785-d8cd26f4f4b4/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2021-11-23 14:23:00,195 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 14:23:00,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:23:00,195 INFO L85 PathProgramCache]: Analyzing trace with hash -3271026, now seen corresponding path program 1 times [2021-11-23 14:23:00,195 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:23:00,195 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1137334642] [2021-11-23 14:23:00,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:23:00,196 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:23:00,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:23:00,245 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2021-11-23 14:23:00,246 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:23:00,246 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1137334642] [2021-11-23 14:23:00,246 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1137334642] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 14:23:00,246 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 14:23:00,247 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 14:23:00,247 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118705072] [2021-11-23 14:23:00,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 14:23:00,248 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 14:23:00,248 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:23:00,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 14:23:00,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 14:23:00,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:23:00,249 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-23 14:23:00,249 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:23:00,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:23:00,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:23:00,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:23:00,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:23:00,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-11-23 14:23:00,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-11-23 14:23:00,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-11-23 14:23:00,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:23:00,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:23:00,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:23:00,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:23:00,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:23:00,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-23 14:23:00,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-11-23 14:23:00,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-23 14:23:00,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:23:00,297 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-11-23 14:23:00,298 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 14:23:00,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:23:00,299 INFO L85 PathProgramCache]: Analyzing trace with hash 1141094660, now seen corresponding path program 1 times [2021-11-23 14:23:00,299 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:23:00,299 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128868283] [2021-11-23 14:23:00,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:23:00,300 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:23:00,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:23:26,274 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 252 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 14:23:26,275 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:23:26,275 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1128868283] [2021-11-23 14:23:26,275 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1128868283] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 14:23:26,276 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [688297275] [2021-11-23 14:23:26,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:23:26,276 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 14:23:26,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be38c9cc-efe7-49d2-8785-d8cd26f4f4b4/bin/ugemcutter-aZbSL5k0Dw/z3 [2021-11-23 14:23:26,289 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be38c9cc-efe7-49d2-8785-d8cd26f4f4b4/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 14:23:26,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be38c9cc-efe7-49d2-8785-d8cd26f4f4b4/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2021-11-23 14:23:26,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:23:26,375 INFO L263 TraceCheckSpWp]: Trace formula consists of 299 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-23 14:23:26,378 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 14:23:26,470 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2021-11-23 14:23:26,995 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-23 14:23:26,996 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2021-11-23 14:23:27,117 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 22 [2021-11-23 14:23:27,122 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2021-11-23 14:23:27,349 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-23 14:23:27,747 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 22 [2021-11-23 14:23:27,751 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2021-11-23 14:23:28,025 INFO L354 Elim1Store]: treesize reduction 8, result has 55.6 percent of original size [2021-11-23 14:23:28,026 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 17 [2021-11-23 14:23:28,446 INFO L354 Elim1Store]: treesize reduction 30, result has 14.3 percent of original size [2021-11-23 14:23:28,446 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 26 [2021-11-23 14:23:28,451 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2021-11-23 14:23:28,590 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 27 [2021-11-23 14:23:32,790 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 31 [2021-11-23 14:23:33,000 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 9 proven. 11 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2021-11-23 14:23:33,000 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 14:23:34,289 WARN L838 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_main_#t~pre46#1| Int) (|ULTIMATE.start_main_~i~3#1| Int) (|t_funThread2of2ForFork0_#t~post37#1| Int)) (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base|) (+ |c_ULTIMATE.start_main_~#t_ids~0#1.offset| (* |ULTIMATE.start_main_~i~3#1| 4)) |ULTIMATE.start_main_#t~pre46#1|)) |c_~#a~0.base|) (+ (* |c_t_funThread2of2ForFork0_~i~0#1| 28) |c_~#a~0.offset|) (+ |t_funThread2of2ForFork0_#t~post37#1| 1)) (+ (* |c_t_funThread1of2ForFork0_~i~0#1| 28) |c_~#a~0.offset|)) 0)) is different from false [2021-11-23 14:24:00,975 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 60 [2021-11-23 14:24:02,326 WARN L838 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_main_#t~pre46#1| Int) (|v_ULTIMATE.start_main_~i~3#1_44| Int) (|v_ULTIMATE.start_main_#t~pre46#1_56| Int) (|t_funThread2of2ForFork0_~i~0#1| Int) (|ULTIMATE.start_main_~i~3#1| Int) (|t_funThread2of2ForFork0_#t~post37#1| Int)) (or (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base|) (+ |c_ULTIMATE.start_main_~#t_ids~0#1.offset| (* |ULTIMATE.start_main_~i~3#1| 4)) |ULTIMATE.start_main_#t~pre46#1|) (+ |c_ULTIMATE.start_main_~#t_ids~0#1.offset| (* |v_ULTIMATE.start_main_~i~3#1_44| 4)) |v_ULTIMATE.start_main_#t~pre46#1_56|)) |c_~#a~0.base|) (+ (* |t_funThread2of2ForFork0_~i~0#1| 28) 28 |c_~#a~0.offset|) (+ |t_funThread2of2ForFork0_#t~post37#1| 1)) (+ (* |c_t_funThread1of2ForFork0_~i~0#1| 28) 28 |c_~#a~0.offset|)) 0) (and (= |c_~#a~0.base| |c_t_funThread1of2ForFork0_~p~0#1.base|) (= |c_t_funThread1of2ForFork0_~p~0#1.offset| (+ (* 28 |t_funThread2of2ForFork0_~i~0#1|) |c_~#a~0.offset|))))) is different from false [2021-11-23 14:24:04,372 WARN L838 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_main_#t~pre46#1| Int) (|v_ULTIMATE.start_main_~i~3#1_44| Int) (|v_ULTIMATE.start_main_#t~pre46#1_56| Int) (|~#a~0.offset| Int) (|t_funThread2of2ForFork0_~i~0#1| Int) (|t_funThread1of2ForFork0_~i~0#1| Int) (|ULTIMATE.start_main_~i~3#1| Int) (|t_funThread2of2ForFork0_#t~post37#1| Int)) (or (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base|) (+ |c_ULTIMATE.start_main_~#t_ids~0#1.offset| (* |ULTIMATE.start_main_~i~3#1| 4)) |ULTIMATE.start_main_#t~pre46#1|) (+ |c_ULTIMATE.start_main_~#t_ids~0#1.offset| (* |v_ULTIMATE.start_main_~i~3#1_44| 4)) |v_ULTIMATE.start_main_#t~pre46#1_56|)) |c_~#a~0.base|) (+ (* |t_funThread2of2ForFork0_~i~0#1| 28) 28 |~#a~0.offset|) (+ |t_funThread2of2ForFork0_#t~post37#1| 1)) (+ (* |t_funThread1of2ForFork0_~i~0#1| 28) 28 |~#a~0.offset|)) 0) (= (* 28 |t_funThread1of2ForFork0_~i~0#1|) (* 28 |t_funThread2of2ForFork0_~i~0#1|)))) is different from false [2021-11-23 14:24:06,680 WARN L838 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_main_#t~pre46#1| Int) (|v_ULTIMATE.start_main_~i~3#1_44| Int) (|v_ULTIMATE.start_main_~i~3#1_46| Int) (|v_ULTIMATE.start_main_#t~pre46#1_56| Int) (|~#a~0.offset| Int) (|v_ULTIMATE.start_main_#t~pre46#1_59| Int) (|t_funThread2of2ForFork0_~i~0#1| Int) (|ULTIMATE.start_main_~i~3#1| Int) (|t_funThread2of2ForFork0_#t~post37#1| Int) (|t_funThread1of2ForFork0_~i~0#1| Int) (|ULTIMATE.start_main_~#t_ids~0#1.offset| Int)) (or (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base|) (+ |ULTIMATE.start_main_~#t_ids~0#1.offset| (* |ULTIMATE.start_main_~i~3#1| 4)) |ULTIMATE.start_main_#t~pre46#1|) (+ |ULTIMATE.start_main_~#t_ids~0#1.offset| (* |v_ULTIMATE.start_main_~i~3#1_46| 4)) |v_ULTIMATE.start_main_#t~pre46#1_59|) (+ |ULTIMATE.start_main_~#t_ids~0#1.offset| (* |v_ULTIMATE.start_main_~i~3#1_44| 4)) |v_ULTIMATE.start_main_#t~pre46#1_56|)) |c_~#a~0.base|) (+ (* |t_funThread2of2ForFork0_~i~0#1| 28) 28 |~#a~0.offset|) (+ |t_funThread2of2ForFork0_#t~post37#1| 1)) (+ (* |t_funThread1of2ForFork0_~i~0#1| 28) 28 |~#a~0.offset|)) 0) (= (* 28 |t_funThread1of2ForFork0_~i~0#1|) (* 28 |t_funThread2of2ForFork0_~i~0#1|)))) is different from false [2021-11-23 14:24:12,163 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 170 treesize of output 168 [2021-11-23 14:24:12,174 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8547 treesize of output 8435 [2021-11-23 14:24:14,383 INFO L354 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2021-11-23 14:24:14,384 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 12 [2021-11-23 14:24:14,401 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 235 trivial. 19 not checked. [2021-11-23 14:24:14,401 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [688297275] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 14:24:14,401 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-23 14:24:14,402 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [46, 19, 21] total 77 [2021-11-23 14:24:14,402 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500800256] [2021-11-23 14:24:14,402 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-23 14:24:14,403 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 77 states [2021-11-23 14:24:14,403 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:24:14,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 77 interpolants. [2021-11-23 14:24:14,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=542, Invalid=4716, Unknown=14, NotChecked=580, Total=5852 [2021-11-23 14:24:14,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:24:14,406 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-23 14:24:14,407 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 77 states, 77 states have (on average 4.857142857142857) internal successors, (374), 77 states have internal predecessors, (374), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:24:14,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:24:14,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:24:14,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:24:14,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:24:14,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-11-23 14:24:14,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-11-23 14:24:14,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-11-23 14:24:14,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:24:14,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:24:42,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:24:42,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:24:42,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:24:42,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:24:42,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-23 14:24:42,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-11-23 14:24:42,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-23 14:24:42,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:24:42,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-11-23 14:24:42,096 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be38c9cc-efe7-49d2-8785-d8cd26f4f4b4/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2021-11-23 14:24:42,271 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be38c9cc-efe7-49d2-8785-d8cd26f4f4b4/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2021-11-23 14:24:42,272 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 14:24:42,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:24:42,273 INFO L85 PathProgramCache]: Analyzing trace with hash -2056845482, now seen corresponding path program 1 times [2021-11-23 14:24:42,273 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:24:42,273 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [221281770] [2021-11-23 14:24:42,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:24:42,273 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:24:42,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:24:44,048 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2021-11-23 14:24:44,048 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:24:44,048 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [221281770] [2021-11-23 14:24:44,049 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [221281770] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 14:24:44,049 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [18874322] [2021-11-23 14:24:44,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:24:44,049 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 14:24:44,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be38c9cc-efe7-49d2-8785-d8cd26f4f4b4/bin/ugemcutter-aZbSL5k0Dw/z3 [2021-11-23 14:24:44,057 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be38c9cc-efe7-49d2-8785-d8cd26f4f4b4/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 14:24:44,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be38c9cc-efe7-49d2-8785-d8cd26f4f4b4/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2021-11-23 14:24:44,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:24:44,165 INFO L263 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-23 14:24:44,168 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 14:24:44,254 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2021-11-23 14:24:44,813 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-23 14:24:44,813 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2021-11-23 14:24:44,875 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 22 [2021-11-23 14:24:44,880 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2021-11-23 14:24:45,100 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 22 [2021-11-23 14:24:45,103 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2021-11-23 14:24:45,354 INFO L354 Elim1Store]: treesize reduction 30, result has 14.3 percent of original size [2021-11-23 14:24:45,355 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 26 [2021-11-23 14:24:45,359 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2021-11-23 14:24:45,527 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 25 [2021-11-23 14:24:45,731 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 41 [2021-11-23 14:24:45,800 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2021-11-23 14:24:45,877 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2021-11-23 14:24:45,877 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 14:24:50,842 WARN L838 $PredicateComparison]: unable to prove that (forall ((|t_funThread1of2ForFork0_~i~0#1| Int)) (= (select (store (select |c_#memory_int| |c_~#a~0.base|) (+ (* |c_t_funThread2of2ForFork0_~i~0#1| 28) |c_~#a~0.offset|) (+ (- 1) |c_t_funThread2of2ForFork0_#t~post40#1|)) (+ (* |t_funThread1of2ForFork0_~i~0#1| 28) |c_~#a~0.offset|)) 0)) is different from false [2021-11-23 14:24:51,760 WARN L838 $PredicateComparison]: unable to prove that (forall ((|t_funThread1of2ForFork0_~i~0#1| Int)) (= (select (store (select |c_#memory_int| |c_~#a~0.base|) (+ (* |c_t_funThread2of2ForFork0_~i~0#1| 28) |c_~#a~0.offset|) (+ (- 1) |c_t_funThread2of2ForFork0_#t~mem39#1|)) (+ (* |t_funThread1of2ForFork0_~i~0#1| 28) |c_~#a~0.offset|)) 0)) is different from false [2021-11-23 14:24:52,613 WARN L838 $PredicateComparison]: unable to prove that (forall ((|t_funThread1of2ForFork0_~i~0#1| Int)) (= (select (let ((.cse0 (select |c_#memory_int| |c_~#a~0.base|)) (.cse1 (+ (* |c_t_funThread2of2ForFork0_~i~0#1| 28) |c_~#a~0.offset|))) (store .cse0 .cse1 (+ (- 1) (select .cse0 .cse1)))) (+ (* |t_funThread1of2ForFork0_~i~0#1| 28) |c_~#a~0.offset|)) 0)) is different from false [2021-11-23 14:24:53,414 WARN L838 $PredicateComparison]: unable to prove that (forall ((|t_funThread1of2ForFork0_~i~0#1| Int)) (= (select (store (select |c_#memory_int| |c_~#a~0.base|) (+ (* |c_t_funThread2of2ForFork0_~i~0#1| 28) |c_~#a~0.offset|) |c_t_funThread2of2ForFork0_#t~post37#1|) (+ (* |t_funThread1of2ForFork0_~i~0#1| 28) |c_~#a~0.offset|)) 0)) is different from false [2021-11-23 14:24:54,226 WARN L838 $PredicateComparison]: unable to prove that (forall ((|t_funThread1of2ForFork0_~i~0#1| Int)) (= (select (store (select |c_#memory_int| |c_~#a~0.base|) (+ (* |c_t_funThread2of2ForFork0_~i~0#1| 28) |c_~#a~0.offset|) |c_t_funThread2of2ForFork0_#t~mem36#1|) (+ (* |t_funThread1of2ForFork0_~i~0#1| 28) |c_~#a~0.offset|)) 0)) is different from false [2021-11-23 14:25:00,298 WARN L838 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_main_#t~pre46#1| Int) (|~#a~0.offset| Int) (|t_funThread2of2ForFork0_~i~0#1| Int) (|ULTIMATE.start_main_~i~3#1| Int) (|t_funThread1of2ForFork0_~i~0#1| Int)) (= (select (let ((.cse0 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base|) (+ |c_ULTIMATE.start_main_~#t_ids~0#1.offset| (* |ULTIMATE.start_main_~i~3#1| 4)) |ULTIMATE.start_main_#t~pre46#1|)) |c_~#a~0.base|)) (.cse1 (+ (* |t_funThread2of2ForFork0_~i~0#1| 28) |~#a~0.offset|))) (store .cse0 .cse1 (select .cse0 .cse1))) (+ (* |t_funThread1of2ForFork0_~i~0#1| 28) |~#a~0.offset|)) 0)) is different from false [2021-11-23 14:25:02,437 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_#t~pre46#1_64| Int) (|ULTIMATE.start_main_#t~pre46#1| Int) (|~#a~0.offset| Int) (|t_funThread2of2ForFork0_~i~0#1| Int) (|ULTIMATE.start_main_~i~3#1| Int) (|t_funThread1of2ForFork0_~i~0#1| Int) (|v_ULTIMATE.start_main_~i~3#1_50| Int)) (= (select (let ((.cse0 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base|) (+ |c_ULTIMATE.start_main_~#t_ids~0#1.offset| (* |ULTIMATE.start_main_~i~3#1| 4)) |ULTIMATE.start_main_#t~pre46#1|) (+ |c_ULTIMATE.start_main_~#t_ids~0#1.offset| (* |v_ULTIMATE.start_main_~i~3#1_50| 4)) |v_ULTIMATE.start_main_#t~pre46#1_64|)) |c_~#a~0.base|)) (.cse1 (+ (* |t_funThread2of2ForFork0_~i~0#1| 28) |~#a~0.offset|))) (store .cse0 .cse1 (select .cse0 .cse1))) (+ (* |t_funThread1of2ForFork0_~i~0#1| 28) |~#a~0.offset|)) 0)) is different from false [2021-11-23 14:25:03,971 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~i~3#1_52| Int) (|v_ULTIMATE.start_main_#t~pre46#1_64| Int) (|ULTIMATE.start_main_#t~pre46#1| Int) (|v_ULTIMATE.start_main_#t~pre46#1_67| Int) (|~#a~0.offset| Int) (|t_funThread2of2ForFork0_~i~0#1| Int) (|ULTIMATE.start_main_~i~3#1| Int) (|t_funThread1of2ForFork0_~i~0#1| Int) (|ULTIMATE.start_main_~#t_ids~0#1.offset| Int) (|v_ULTIMATE.start_main_~i~3#1_50| Int)) (= (select (let ((.cse0 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base|) (+ |ULTIMATE.start_main_~#t_ids~0#1.offset| (* |ULTIMATE.start_main_~i~3#1| 4)) |ULTIMATE.start_main_#t~pre46#1|) (+ |ULTIMATE.start_main_~#t_ids~0#1.offset| (* |v_ULTIMATE.start_main_~i~3#1_52| 4)) |v_ULTIMATE.start_main_#t~pre46#1_67|) (+ |ULTIMATE.start_main_~#t_ids~0#1.offset| (* |v_ULTIMATE.start_main_~i~3#1_50| 4)) |v_ULTIMATE.start_main_#t~pre46#1_64|)) |c_~#a~0.base|)) (.cse1 (+ (* |t_funThread2of2ForFork0_~i~0#1| 28) |~#a~0.offset|))) (store .cse0 .cse1 (select .cse0 .cse1))) (+ (* |t_funThread1of2ForFork0_~i~0#1| 28) |~#a~0.offset|)) 0)) is different from false [2021-11-23 14:25:05,208 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 218 treesize of output 214 [2021-11-23 14:25:05,229 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 14:25:05,230 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15594 treesize of output 15220 [2021-11-23 14:25:10,169 INFO L354 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2021-11-23 14:25:10,170 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 12 [2021-11-23 14:25:10,191 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 20 not checked. [2021-11-23 14:25:10,191 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [18874322] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 14:25:10,191 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-23 14:25:10,192 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 15, 18] total 51 [2021-11-23 14:25:10,192 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724962401] [2021-11-23 14:25:10,192 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-23 14:25:10,193 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 51 states [2021-11-23 14:25:10,193 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:25:10,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2021-11-23 14:25:10,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=191, Invalid=1634, Unknown=13, NotChecked=712, Total=2550 [2021-11-23 14:25:10,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:25:10,195 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-23 14:25:10,196 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 51 states, 51 states have (on average 6.647058823529412) internal successors, (339), 51 states have internal predecessors, (339), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:25:10,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:25:10,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:25:10,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:25:10,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:25:10,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-11-23 14:25:10,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-11-23 14:25:10,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-11-23 14:25:10,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:25:10,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-11-23 14:25:10,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:25:31,675 WARN L227 SmtUtils]: Spent 7.41s on a formula simplification. DAG size of input: 40 DAG size of output: 30 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-23 14:25:34,401 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse2 (= (* 28 |c_t_funThread1of2ForFork0_~i~0#1|) (* 28 |c_t_funThread2of2ForFork0_~i~0#1|))) (.cse3 (select |c_#memory_int| |c_~#a~0.base|)) (.cse4 (+ (* |c_t_funThread2of2ForFork0_~i~0#1| 28) |c_~#a~0.offset|))) (and (forall ((|t_funThread1of2ForFork0_~i~0#1| Int)) (= (select (let ((.cse0 (select |c_#memory_int| |c_~#a~0.base|)) (.cse1 (+ (* |c_t_funThread2of2ForFork0_~i~0#1| 28) |c_~#a~0.offset|))) (store .cse0 .cse1 (+ (- 1) (select .cse0 .cse1)))) (+ (* |t_funThread1of2ForFork0_~i~0#1| 28) |c_~#a~0.offset|)) 0)) (or (not .cse2) (= (select .cse3 .cse4) 1)) (or (= 0 (select .cse3 (+ (* |c_t_funThread1of2ForFork0_~i~0#1| 28) |c_~#a~0.offset|))) .cse2) (= |c_~#a~0.offset| 0) (= |c_~#a~0.base| 4) (= .cse3 (let ((.cse5 ((as const (Array Int Int)) 0))) (store .cse5 .cse4 (+ (select .cse5 .cse4) 1)))))) is different from false [2021-11-23 14:25:35,757 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (= (* 28 |c_t_funThread1of2ForFork0_~i~0#1|) (* 28 |c_t_funThread2of2ForFork0_~i~0#1|))) (.cse1 (select |c_#memory_int| |c_~#a~0.base|)) (.cse2 (+ (* |c_t_funThread2of2ForFork0_~i~0#1| 28) |c_~#a~0.offset|))) (and (or (not .cse0) (= |c_t_funThread2of2ForFork0_#t~mem39#1| 1)) (forall ((|t_funThread1of2ForFork0_~i~0#1| Int)) (= (select (store (select |c_#memory_int| |c_~#a~0.base|) (+ (* |c_t_funThread2of2ForFork0_~i~0#1| 28) |c_~#a~0.offset|) (+ (- 1) |c_t_funThread2of2ForFork0_#t~mem39#1|)) (+ (* |t_funThread1of2ForFork0_~i~0#1| 28) |c_~#a~0.offset|)) 0)) (= |c_t_funThread2of2ForFork0_#t~mem39#1| (select .cse1 .cse2)) (or (= 0 (select .cse1 (+ (* |c_t_funThread1of2ForFork0_~i~0#1| 28) |c_~#a~0.offset|))) .cse0) (= |c_~#a~0.offset| 0) (= |c_~#a~0.base| 4) (= .cse1 (let ((.cse3 ((as const (Array Int Int)) 0))) (store .cse3 .cse2 (+ (select .cse3 .cse2) 1)))))) is different from false [2021-11-23 14:25:36,766 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (= (* 28 |c_t_funThread1of2ForFork0_~i~0#1|) (* 28 |c_t_funThread2of2ForFork0_~i~0#1|))) (.cse1 (select |c_#memory_int| |c_~#a~0.base|)) (.cse2 (+ (* |c_t_funThread2of2ForFork0_~i~0#1| 28) |c_~#a~0.offset|))) (and (or (not .cse0) (= |c_t_funThread2of2ForFork0_#t~post40#1| 1)) (or (= 0 (select .cse1 (+ (* |c_t_funThread1of2ForFork0_~i~0#1| 28) |c_~#a~0.offset|))) .cse0) (forall ((|t_funThread1of2ForFork0_~i~0#1| Int)) (= (select (store (select |c_#memory_int| |c_~#a~0.base|) (+ (* |c_t_funThread2of2ForFork0_~i~0#1| 28) |c_~#a~0.offset|) (+ (- 1) |c_t_funThread2of2ForFork0_#t~post40#1|)) (+ (* |t_funThread1of2ForFork0_~i~0#1| 28) |c_~#a~0.offset|)) 0)) (= |c_~#a~0.offset| 0) (= (select .cse1 .cse2) |c_t_funThread2of2ForFork0_#t~post40#1|) (= |c_~#a~0.base| 4) (= .cse1 (let ((.cse3 ((as const (Array Int Int)) 0))) (store .cse3 .cse2 (+ (select .cse3 .cse2) 1)))))) is different from false [2021-11-23 14:25:52,680 WARN L227 SmtUtils]: Spent 15.52s on a formula simplification. DAG size of input: 48 DAG size of output: 39 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-23 14:25:55,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:25:55,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:25:55,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:25:55,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:25:55,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-23 14:25:55,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-11-23 14:25:55,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-23 14:25:55,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:25:55,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-11-23 14:25:55,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-11-23 14:25:55,916 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be38c9cc-efe7-49d2-8785-d8cd26f4f4b4/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2021-11-23 14:25:56,093 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be38c9cc-efe7-49d2-8785-d8cd26f4f4b4/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2021-11-23 14:25:56,094 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 14:25:56,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:25:56,094 INFO L85 PathProgramCache]: Analyzing trace with hash -735416368, now seen corresponding path program 2 times [2021-11-23 14:25:56,094 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:25:56,094 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [986254412] [2021-11-23 14:25:56,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:25:56,095 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:25:56,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:25:57,821 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2021-11-23 14:25:57,821 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:25:57,821 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [986254412] [2021-11-23 14:25:57,821 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [986254412] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 14:25:57,821 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1689287907] [2021-11-23 14:25:57,821 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-23 14:25:57,822 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 14:25:57,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be38c9cc-efe7-49d2-8785-d8cd26f4f4b4/bin/ugemcutter-aZbSL5k0Dw/z3 [2021-11-23 14:25:57,823 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be38c9cc-efe7-49d2-8785-d8cd26f4f4b4/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 14:25:57,824 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be38c9cc-efe7-49d2-8785-d8cd26f4f4b4/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2021-11-23 14:25:57,910 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-23 14:25:57,911 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-23 14:25:57,912 INFO L263 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-23 14:25:57,915 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 14:25:57,979 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2021-11-23 14:25:58,493 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-23 14:25:58,493 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2021-11-23 14:25:58,552 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 22 [2021-11-23 14:25:58,555 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2021-11-23 14:25:58,766 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 22 [2021-11-23 14:25:58,769 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2021-11-23 14:25:59,089 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 25 [2021-11-23 14:25:59,241 INFO L354 Elim1Store]: treesize reduction 30, result has 14.3 percent of original size [2021-11-23 14:25:59,241 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 53 treesize of output 51 [2021-11-23 14:25:59,245 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 49 [2021-11-23 14:25:59,337 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 41 [2021-11-23 14:25:59,408 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 28 [2021-11-23 14:25:59,502 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 251 trivial. 0 not checked. [2021-11-23 14:25:59,502 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 14:26:04,494 WARN L838 $PredicateComparison]: unable to prove that (forall ((|t_funThread1of2ForFork0_~i~0#1| Int)) (= (select (store (select |c_#memory_int| |c_~#a~0.base|) (+ (* |c_t_funThread2of2ForFork0_~i~0#1| 28) |c_~#a~0.offset|) (+ (- 1) |c_t_funThread2of2ForFork0_#t~post40#1|)) (+ (* |t_funThread1of2ForFork0_~i~0#1| 28) |c_~#a~0.offset|)) 0)) is different from false [2021-11-23 14:26:05,406 WARN L838 $PredicateComparison]: unable to prove that (forall ((|t_funThread1of2ForFork0_~i~0#1| Int)) (= (select (store (select |c_#memory_int| |c_~#a~0.base|) (+ (* |c_t_funThread2of2ForFork0_~i~0#1| 28) |c_~#a~0.offset|) (+ (- 1) |c_t_funThread2of2ForFork0_#t~mem39#1|)) (+ (* |t_funThread1of2ForFork0_~i~0#1| 28) |c_~#a~0.offset|)) 0)) is different from false [2021-11-23 14:26:06,694 WARN L838 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_main_#t~pre46#1| Int) (|ULTIMATE.start_main_~i~3#1| Int) (|t_funThread1of2ForFork0_~i~0#1| Int)) (= 0 (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base|) (+ |c_ULTIMATE.start_main_~#t_ids~0#1.offset| (* |ULTIMATE.start_main_~i~3#1| 4)) |ULTIMATE.start_main_#t~pre46#1|)) |c_~#a~0.base|) (+ (* |c_t_funThread2of2ForFork0_~i~0#1| 28) |c_~#a~0.offset|) (+ (- 1) |c_t_funThread2of2ForFork0_#t~mem39#1|)) (+ (* |t_funThread1of2ForFork0_~i~0#1| 28) |c_~#a~0.offset|)))) is different from false [2021-11-23 14:26:08,582 WARN L838 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_main_#t~pre46#1| Int) (|ULTIMATE.start_main_~i~3#1| Int) (|t_funThread1of2ForFork0_~i~0#1| Int)) (= (select (let ((.cse0 (+ (* |c_t_funThread2of2ForFork0_~i~0#1| 28) |c_~#a~0.offset|))) (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base|) (+ |c_ULTIMATE.start_main_~#t_ids~0#1.offset| (* |ULTIMATE.start_main_~i~3#1| 4)) |ULTIMATE.start_main_#t~pre46#1|)) |c_~#a~0.base|) .cse0 (+ (- 1) (select (select |c_#memory_int| |c_~#a~0.base|) .cse0)))) (+ (* |t_funThread1of2ForFork0_~i~0#1| 28) |c_~#a~0.offset|)) 0)) is different from false [2021-11-23 14:26:10,626 WARN L838 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_main_#t~pre46#1| Int) (|ULTIMATE.start_main_~i~3#1| Int) (|t_funThread1of2ForFork0_~i~0#1| Int)) (= (select (let ((.cse1 (+ (* |c_t_funThread2of2ForFork0_~i~0#1| 28) |c_~#a~0.offset|))) (store (select (let ((.cse0 (store |c_#memory_int| |c_~#a~0.base| (store (select |c_#memory_int| |c_~#a~0.base|) .cse1 (+ |c_t_funThread2of2ForFork0_#t~post37#1| 1))))) (store .cse0 |c_ULTIMATE.start_main_~#t_ids~0#1.base| (store (select .cse0 |c_ULTIMATE.start_main_~#t_ids~0#1.base|) (+ |c_ULTIMATE.start_main_~#t_ids~0#1.offset| (* |ULTIMATE.start_main_~i~3#1| 4)) |ULTIMATE.start_main_#t~pre46#1|))) |c_~#a~0.base|) .cse1 |c_t_funThread2of2ForFork0_#t~post37#1|)) (+ (* |t_funThread1of2ForFork0_~i~0#1| 28) |c_~#a~0.offset|)) 0)) is different from false [2021-11-23 14:26:11,534 WARN L838 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_main_#t~pre46#1| Int) (|ULTIMATE.start_main_~i~3#1| Int) (|t_funThread1of2ForFork0_~i~0#1| Int)) (= (select (let ((.cse1 (+ (* |c_t_funThread2of2ForFork0_~i~0#1| 28) |c_~#a~0.offset|))) (store (select (let ((.cse0 (store |c_#memory_int| |c_~#a~0.base| (store (select |c_#memory_int| |c_~#a~0.base|) .cse1 (+ |c_t_funThread2of2ForFork0_#t~mem36#1| 1))))) (store .cse0 |c_ULTIMATE.start_main_~#t_ids~0#1.base| (store (select .cse0 |c_ULTIMATE.start_main_~#t_ids~0#1.base|) (+ |c_ULTIMATE.start_main_~#t_ids~0#1.offset| (* |ULTIMATE.start_main_~i~3#1| 4)) |ULTIMATE.start_main_#t~pre46#1|))) |c_~#a~0.base|) .cse1 |c_t_funThread2of2ForFork0_#t~mem36#1|)) (+ (* |t_funThread1of2ForFork0_~i~0#1| 28) |c_~#a~0.offset|)) 0)) is different from false [2021-11-23 14:26:13,553 WARN L838 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_main_#t~pre46#1| Int) (|~#a~0.offset| Int) (|t_funThread2of2ForFork0_~i~0#1| Int) (|ULTIMATE.start_main_~i~3#1| Int) (|t_funThread1of2ForFork0_~i~0#1| Int)) (= (select (let ((.cse1 (select |c_#memory_int| |c_~#a~0.base|)) (.cse2 (+ (* |t_funThread2of2ForFork0_~i~0#1| 28) |~#a~0.offset|))) (let ((.cse3 (select .cse1 .cse2))) (store (select (let ((.cse0 (store |c_#memory_int| |c_~#a~0.base| (store .cse1 .cse2 (+ .cse3 1))))) (store .cse0 |c_ULTIMATE.start_main_~#t_ids~0#1.base| (store (select .cse0 |c_ULTIMATE.start_main_~#t_ids~0#1.base|) (+ |c_ULTIMATE.start_main_~#t_ids~0#1.offset| (* |ULTIMATE.start_main_~i~3#1| 4)) |ULTIMATE.start_main_#t~pre46#1|))) |c_~#a~0.base|) .cse2 .cse3))) (+ (* |t_funThread1of2ForFork0_~i~0#1| 28) |~#a~0.offset|)) 0)) is different from false [2021-11-23 14:26:15,527 WARN L838 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_main_#t~pre46#1| Int) (|v_ULTIMATE.start_main_~i~3#1_56| Int) (|~#a~0.offset| Int) (|t_funThread2of2ForFork0_~i~0#1| Int) (|ULTIMATE.start_main_~i~3#1| Int) (|t_funThread1of2ForFork0_~i~0#1| Int) (|v_ULTIMATE.start_main_#t~pre46#1_72| Int)) (= (select (let ((.cse1 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base|) (+ |c_ULTIMATE.start_main_~#t_ids~0#1.offset| (* |ULTIMATE.start_main_~i~3#1| 4)) |ULTIMATE.start_main_#t~pre46#1|)))) (let ((.cse2 (select .cse1 |c_~#a~0.base|)) (.cse3 (+ (* |t_funThread2of2ForFork0_~i~0#1| 28) |~#a~0.offset|))) (let ((.cse4 (select .cse2 .cse3))) (store (select (let ((.cse0 (store .cse1 |c_~#a~0.base| (store .cse2 .cse3 (+ .cse4 1))))) (store .cse0 |c_ULTIMATE.start_main_~#t_ids~0#1.base| (store (select .cse0 |c_ULTIMATE.start_main_~#t_ids~0#1.base|) (+ |c_ULTIMATE.start_main_~#t_ids~0#1.offset| (* |v_ULTIMATE.start_main_~i~3#1_56| 4)) |v_ULTIMATE.start_main_#t~pre46#1_72|))) |c_~#a~0.base|) .cse3 .cse4)))) (+ (* |t_funThread1of2ForFork0_~i~0#1| 28) |~#a~0.offset|)) 0)) is different from false [2021-11-23 14:26:17,805 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_#t~pre46#1_75| Int) (|ULTIMATE.start_main_#t~pre46#1| Int) (|v_ULTIMATE.start_main_~i~3#1_56| Int) (|v_ULTIMATE.start_main_~i~3#1_58| Int) (|~#a~0.offset| Int) (|t_funThread2of2ForFork0_~i~0#1| Int) (|ULTIMATE.start_main_~i~3#1| Int) (|t_funThread1of2ForFork0_~i~0#1| Int) (|ULTIMATE.start_main_~#t_ids~0#1.offset| Int) (|v_ULTIMATE.start_main_#t~pre46#1_72| Int)) (= (select (let ((.cse1 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base|) (+ |ULTIMATE.start_main_~#t_ids~0#1.offset| (* |ULTIMATE.start_main_~i~3#1| 4)) |ULTIMATE.start_main_#t~pre46#1|) (+ |ULTIMATE.start_main_~#t_ids~0#1.offset| (* |v_ULTIMATE.start_main_~i~3#1_58| 4)) |v_ULTIMATE.start_main_#t~pre46#1_75|)))) (let ((.cse2 (select .cse1 |c_~#a~0.base|)) (.cse3 (+ (* |t_funThread2of2ForFork0_~i~0#1| 28) |~#a~0.offset|))) (let ((.cse4 (select .cse2 .cse3))) (store (select (let ((.cse0 (store .cse1 |c_~#a~0.base| (store .cse2 .cse3 (+ .cse4 1))))) (store .cse0 |c_ULTIMATE.start_main_~#t_ids~0#1.base| (store (select .cse0 |c_ULTIMATE.start_main_~#t_ids~0#1.base|) (+ |ULTIMATE.start_main_~#t_ids~0#1.offset| (* |v_ULTIMATE.start_main_~i~3#1_56| 4)) |v_ULTIMATE.start_main_#t~pre46#1_72|))) |c_~#a~0.base|) .cse3 .cse4)))) (+ (* |t_funThread1of2ForFork0_~i~0#1| 28) |~#a~0.offset|)) 0)) is different from false [2021-11-23 14:26:19,602 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 950 treesize of output 930 [2021-11-23 14:26:19,713 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 14:26:19,715 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 432473 treesize of output 413745 [2021-11-23 14:26:28,426 WARN L227 SmtUtils]: Spent 5.87s on a formula simplification. DAG size of input: 1067 DAG size of output: 1067 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-23 14:26:46,049 WARN L227 SmtUtils]: Spent 15.20s on a formula simplification. DAG size of input: 1075 DAG size of output: 1075 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-23 14:26:55,701 WARN L227 SmtUtils]: Spent 5.76s on a formula simplification. DAG size of input: 430 DAG size of output: 430 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-23 14:27:04,831 WARN L227 SmtUtils]: Spent 7.25s on a formula simplification. DAG size of input: 428 DAG size of output: 428 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-23 14:27:42,292 WARN L227 SmtUtils]: Spent 7.75s on a formula simplification. DAG size of input: 426 DAG size of output: 426 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-23 14:27:53,344 WARN L227 SmtUtils]: Spent 7.81s on a formula simplification. DAG size of input: 426 DAG size of output: 426 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-23 14:28:02,791 WARN L227 SmtUtils]: Spent 7.39s on a formula simplification. DAG size of input: 426 DAG size of output: 426 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-23 14:28:31,252 WARN L227 SmtUtils]: Spent 6.36s on a formula simplification. DAG size of input: 420 DAG size of output: 420 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-23 14:29:06,653 WARN L227 SmtUtils]: Spent 6.53s on a formula simplification. DAG size of input: 418 DAG size of output: 418 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-23 14:29:27,221 WARN L227 SmtUtils]: Spent 6.40s on a formula simplification. DAG size of input: 418 DAG size of output: 418 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-23 14:29:41,177 WARN L227 SmtUtils]: Spent 6.60s on a formula simplification. DAG size of input: 418 DAG size of output: 418 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-23 14:30:06,894 WARN L227 SmtUtils]: Spent 6.31s on a formula simplification. DAG size of input: 410 DAG size of output: 410 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-23 14:30:20,637 WARN L227 SmtUtils]: Spent 5.83s on a formula simplification. DAG size of input: 407 DAG size of output: 407 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-23 14:30:33,839 WARN L227 SmtUtils]: Spent 5.86s on a formula simplification. DAG size of input: 405 DAG size of output: 405 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)