./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/goblint-regression/28-race_reach_73-funloop_hard_racefree.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_e737836f-3bba-4b4b-bee1-392a135f55b2/bin/ugemcutter-aZbSL5k0Dw/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e737836f-3bba-4b4b-bee1-392a135f55b2/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_e737836f-3bba-4b4b-bee1-392a135f55b2/bin/ugemcutter-aZbSL5k0Dw/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e737836f-3bba-4b4b-bee1-392a135f55b2/bin/ugemcutter-aZbSL5k0Dw/config/GemCutterReach.xml -i ../../sv-benchmarks/c/goblint-regression/28-race_reach_73-funloop_hard_racefree.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e737836f-3bba-4b4b-bee1-392a135f55b2/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_e737836f-3bba-4b4b-bee1-392a135f55b2/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 c8af2e9e80aefb6a93651d6c869df13510f679bd9566c8571973545c9393aab5 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-7e70bad [2021-11-23 14:21:06,479 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 14:21:06,480 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 14:21:06,533 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 14:21:06,534 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 14:21:06,539 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 14:21:06,541 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 14:21:06,545 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 14:21:06,548 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 14:21:06,556 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 14:21:06,557 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 14:21:06,559 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 14:21:06,559 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 14:21:06,562 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 14:21:06,565 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 14:21:06,570 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 14:21:06,572 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 14:21:06,573 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 14:21:06,576 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 14:21:06,585 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 14:21:06,587 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 14:21:06,589 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 14:21:06,593 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 14:21:06,594 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 14:21:06,597 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 14:21:06,598 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 14:21:06,598 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 14:21:06,600 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 14:21:06,601 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 14:21:06,602 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 14:21:06,603 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 14:21:06,604 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 14:21:06,606 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 14:21:06,608 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 14:21:06,609 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 14:21:06,609 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 14:21:06,610 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 14:21:06,610 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 14:21:06,611 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 14:21:06,612 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 14:21:06,612 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 14:21:06,613 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e737836f-3bba-4b4b-bee1-392a135f55b2/bin/ugemcutter-aZbSL5k0Dw/config/svcomp-Reach-32bit-GemCutter_Default.epf [2021-11-23 14:21:06,659 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 14:21:06,660 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 14:21:06,660 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 14:21:06,660 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 14:21:06,661 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 14:21:06,662 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 14:21:06,662 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 14:21:06,662 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 14:21:06,663 INFO L138 SettingsManager]: * Use SBE=true [2021-11-23 14:21:06,663 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 14:21:06,664 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 14:21:06,664 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 14:21:06,664 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 14:21:06,664 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 14:21:06,665 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 14:21:06,665 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 14:21:06,665 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 14:21:06,665 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 14:21:06,665 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 14:21:06,666 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 14:21:06,666 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 14:21:06,666 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 14:21:06,666 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 14:21:06,666 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-11-23 14:21:06,667 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 14:21:06,667 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 14:21:06,667 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 14:21:06,667 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 14:21:06,667 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 14:21:06,669 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-23 14:21:06,669 INFO L138 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2021-11-23 14:21:06,669 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 14:21:06,670 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-23 14:21:06,670 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-11-23 14:21:06,670 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 14:21:06,670 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-11-23 14:21:06,671 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-11-23 14:21:06,671 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_e737836f-3bba-4b4b-bee1-392a135f55b2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e737836f-3bba-4b4b-bee1-392a135f55b2/bin/ugemcutter-aZbSL5k0Dw Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c8af2e9e80aefb6a93651d6c869df13510f679bd9566c8571973545c9393aab5 [2021-11-23 14:21:06,981 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 14:21:07,016 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 14:21:07,019 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 14:21:07,020 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 14:21:07,021 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 14:21:07,022 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e737836f-3bba-4b4b-bee1-392a135f55b2/bin/ugemcutter-aZbSL5k0Dw/../../sv-benchmarks/c/goblint-regression/28-race_reach_73-funloop_hard_racefree.i [2021-11-23 14:21:07,096 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e737836f-3bba-4b4b-bee1-392a135f55b2/bin/ugemcutter-aZbSL5k0Dw/data/fa3f2b424/bdc4c64eb82f47579ea144149fab5ed1/FLAG46087c063 [2021-11-23 14:21:07,716 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 14:21:07,717 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e737836f-3bba-4b4b-bee1-392a135f55b2/sv-benchmarks/c/goblint-regression/28-race_reach_73-funloop_hard_racefree.i [2021-11-23 14:21:07,733 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e737836f-3bba-4b4b-bee1-392a135f55b2/bin/ugemcutter-aZbSL5k0Dw/data/fa3f2b424/bdc4c64eb82f47579ea144149fab5ed1/FLAG46087c063 [2021-11-23 14:21:07,962 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e737836f-3bba-4b4b-bee1-392a135f55b2/bin/ugemcutter-aZbSL5k0Dw/data/fa3f2b424/bdc4c64eb82f47579ea144149fab5ed1 [2021-11-23 14:21:07,967 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 14:21:07,968 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 14:21:07,970 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 14:21:07,970 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 14:21:07,986 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 14:21:07,987 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:21:07" (1/1) ... [2021-11-23 14:21:07,988 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17b93a96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:21:07, skipping insertion in model container [2021-11-23 14:21:07,988 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:21:07" (1/1) ... [2021-11-23 14:21:07,995 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 14:21:08,063 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 14:21:08,610 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_e737836f-3bba-4b4b-bee1-392a135f55b2/sv-benchmarks/c/goblint-regression/28-race_reach_73-funloop_hard_racefree.i[41323,41336] [2021-11-23 14:21:08,659 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 14:21:08,686 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 14:21:08,743 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_e737836f-3bba-4b4b-bee1-392a135f55b2/sv-benchmarks/c/goblint-regression/28-race_reach_73-funloop_hard_racefree.i[41323,41336] [2021-11-23 14:21:08,777 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 14:21:08,864 INFO L208 MainTranslator]: Completed translation [2021-11-23 14:21:08,864 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:21:08 WrapperNode [2021-11-23 14:21:08,864 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 14:21:08,866 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 14:21:08,866 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 14:21:08,866 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 14:21:08,874 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:21:08" (1/1) ... [2021-11-23 14:21:08,910 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:21:08" (1/1) ... [2021-11-23 14:21:08,964 INFO L137 Inliner]: procedures = 271, calls = 41, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 247 [2021-11-23 14:21:08,964 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 14:21:08,965 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 14:21:08,965 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 14:21:08,966 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 14:21:08,974 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:21:08" (1/1) ... [2021-11-23 14:21:08,975 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:21:08" (1/1) ... [2021-11-23 14:21:08,996 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:21:08" (1/1) ... [2021-11-23 14:21:08,997 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:21:08" (1/1) ... [2021-11-23 14:21:09,006 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:21:08" (1/1) ... [2021-11-23 14:21:09,025 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:21:08" (1/1) ... [2021-11-23 14:21:09,029 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:21:08" (1/1) ... [2021-11-23 14:21:09,046 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 14:21:09,047 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 14:21:09,047 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 14:21:09,047 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 14:21:09,048 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:21:08" (1/1) ... [2021-11-23 14:21:09,059 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 14:21:09,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e737836f-3bba-4b4b-bee1-392a135f55b2/bin/ugemcutter-aZbSL5k0Dw/z3 [2021-11-23 14:21:09,083 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e737836f-3bba-4b4b-bee1-392a135f55b2/bin/ugemcutter-aZbSL5k0Dw/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 14:21:09,121 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e737836f-3bba-4b4b-bee1-392a135f55b2/bin/ugemcutter-aZbSL5k0Dw/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 14:21:09,138 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 14:21:09,138 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 14:21:09,138 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 14:21:09,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 14:21:09,140 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-23 14:21:09,140 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 14:21:09,140 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-11-23 14:21:09,141 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-11-23 14:21:09,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 14:21:09,141 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 14:21:09,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 14:21:09,143 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 14:21:09,330 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 14:21:09,331 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 14:21:09,665 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 14:21:09,695 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 14:21:09,696 INFO L301 CfgBuilder]: Removed 35 assume(true) statements. [2021-11-23 14:21:09,699 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:21:09 BoogieIcfgContainer [2021-11-23 14:21:09,699 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 14:21:09,701 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 14:21:09,701 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 14:21:09,704 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 14:21:09,705 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:21:07" (1/3) ... [2021-11-23 14:21:09,705 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d631b9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:21:09, skipping insertion in model container [2021-11-23 14:21:09,706 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:21:08" (2/3) ... [2021-11-23 14:21:09,706 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d631b9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:21:09, skipping insertion in model container [2021-11-23 14:21:09,706 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:21:09" (3/3) ... [2021-11-23 14:21:09,708 INFO L111 eAbstractionObserver]: Analyzing ICFG 28-race_reach_73-funloop_hard_racefree.i [2021-11-23 14:21:09,713 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-23 14:21:09,713 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 14:21:09,713 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-23 14:21:09,713 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-23 14:21:09,751 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,752 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,752 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,752 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,752 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,752 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,753 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,753 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,753 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,753 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,754 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,754 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,754 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,754 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,755 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,755 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,755 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,755 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,755 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,756 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,756 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,756 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,756 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,757 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,757 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,757 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,757 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,757 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,758 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,758 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,758 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,758 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,758 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,759 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,759 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~post38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,759 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~post35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,759 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,759 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,760 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,760 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,760 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,760 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,760 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,761 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,761 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,761 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,761 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~post38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,761 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~post35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,762 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,762 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,762 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,762 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,762 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,763 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,763 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,763 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,763 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,764 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,764 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,764 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,764 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,765 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,765 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,765 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,765 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,766 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,766 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,766 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,766 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,767 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,767 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,767 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,767 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,768 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,768 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,768 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,769 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,769 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,769 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,769 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,770 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,770 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,770 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,770 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,771 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,771 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,771 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,771 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,772 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,772 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,772 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,772 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,773 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,773 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,773 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,773 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,773 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,774 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,774 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,774 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,774 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,775 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,775 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,775 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,775 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,776 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,776 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,776 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,776 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,777 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,777 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,777 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,777 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,777 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,778 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,778 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~post35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,778 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,778 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~post35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,779 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,779 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,779 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,779 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,779 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,780 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,780 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,780 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,780 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,781 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,781 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,781 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~post35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,781 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,781 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,782 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~post35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,782 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,782 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,782 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~post38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,783 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,783 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~post38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,783 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,783 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,783 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,784 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,784 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,784 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~post38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,784 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,784 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,785 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~post38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,785 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,785 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,785 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,786 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,786 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,786 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~post35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,786 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~post35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,786 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,787 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,787 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,787 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,787 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,788 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,788 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~post38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,788 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~post38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,789 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,789 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,792 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,793 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,793 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~post38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,793 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,793 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,794 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,794 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,794 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,794 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,794 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,795 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,795 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,795 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,795 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,796 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,796 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,796 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,796 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,796 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,797 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,797 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~post35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,797 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:09,801 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-11-23 14:21:09,848 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-11-23 14:21:09,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e737836f-3bba-4b4b-bee1-392a135f55b2/bin/ugemcutter-aZbSL5k0Dw/z3 [2021-11-23 14:21:09,850 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e737836f-3bba-4b4b-bee1-392a135f55b2/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-11-23 14:21:09,856 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e737836f-3bba-4b4b-bee1-392a135f55b2/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-11-23 14:21:09,900 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t_funThread1of1ForFork0 ======== [2021-11-23 14:21:09,909 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 14:21:09,909 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 14:21:10,389 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 14:21:10,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:21:10,395 INFO L85 PathProgramCache]: Analyzing trace with hash 1148308584, now seen corresponding path program 1 times [2021-11-23 14:21:10,404 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:21:10,405 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649890694] [2021-11-23 14:21:10,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:21:10,405 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:21:10,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:21:10,752 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-11-23 14:21:10,752 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:21:10,753 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [649890694] [2021-11-23 14:21:10,753 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [649890694] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 14:21:10,754 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 14:21:10,754 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 14:21:10,755 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536917825] [2021-11-23 14:21:10,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 14:21:10,762 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-23 14:21:10,762 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:21:10,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-23 14:21:10,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-23 14:21:10,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:21:10,792 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-23 14:21:10,793 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 62.5) internal successors, (125), 2 states have internal predecessors, (125), 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 14:21:10,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:21:10,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:21:10,841 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-23 14:21:10,841 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 14:21:10,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:21:10,842 INFO L85 PathProgramCache]: Analyzing trace with hash -630316666, now seen corresponding path program 1 times [2021-11-23 14:21:10,842 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:21:10,842 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1791829053] [2021-11-23 14:21:10,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:21:10,843 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:21:10,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:21:10,989 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-11-23 14:21:10,990 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:21:10,990 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1791829053] [2021-11-23 14:21:10,990 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1791829053] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 14:21:10,990 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 14:21:10,990 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 14:21:10,991 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574732374] [2021-11-23 14:21:10,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 14:21:10,992 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 14:21:10,993 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:21:10,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 14:21:10,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 14:21:10,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:21:11,011 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-23 14:21:11,012 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 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 14:21:11,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:21:11,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:21:11,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:21:11,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:21:11,090 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-23 14:21:11,090 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 14:21:11,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:21:11,091 INFO L85 PathProgramCache]: Analyzing trace with hash -171471866, now seen corresponding path program 1 times [2021-11-23 14:21:11,091 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:21:11,092 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1179556090] [2021-11-23 14:21:11,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:21:11,092 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:21:11,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:21:11,203 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-11-23 14:21:11,203 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:21:11,203 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1179556090] [2021-11-23 14:21:11,204 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1179556090] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 14:21:11,204 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1587026377] [2021-11-23 14:21:11,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:21:11,204 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 14:21:11,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e737836f-3bba-4b4b-bee1-392a135f55b2/bin/ugemcutter-aZbSL5k0Dw/z3 [2021-11-23 14:21:11,206 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e737836f-3bba-4b4b-bee1-392a135f55b2/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 14:21:11,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e737836f-3bba-4b4b-bee1-392a135f55b2/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-23 14:21:11,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:21:11,328 INFO L263 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-23 14:21:11,337 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 14:21:11,702 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2021-11-23 14:21:11,702 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 14:21:11,707 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1587026377] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 14:21:11,707 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-23 14:21:11,707 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2021-11-23 14:21:11,708 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1953646252] [2021-11-23 14:21:11,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 14:21:11,712 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 14:21:11,712 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:21:11,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 14:21:11,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-23 14:21:11,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:21:11,714 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-23 14:21:11,714 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:21:11,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:21:11,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:21:11,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:21:11,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:21:11,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:21:11,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:21:11,979 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e737836f-3bba-4b4b-bee1-392a135f55b2/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-23 14:21:12,161 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e737836f-3bba-4b4b-bee1-392a135f55b2/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 14:21:12,161 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 14:21:12,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:21:12,162 INFO L85 PathProgramCache]: Analyzing trace with hash -1405067152, now seen corresponding path program 1 times [2021-11-23 14:21:12,162 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:21:12,163 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1922209877] [2021-11-23 14:21:12,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:21:12,163 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:21:12,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:21:12,284 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2021-11-23 14:21:12,284 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:21:12,285 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1922209877] [2021-11-23 14:21:12,286 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1922209877] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 14:21:12,286 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1134336180] [2021-11-23 14:21:12,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:21:12,286 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 14:21:12,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e737836f-3bba-4b4b-bee1-392a135f55b2/bin/ugemcutter-aZbSL5k0Dw/z3 [2021-11-23 14:21:12,292 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e737836f-3bba-4b4b-bee1-392a135f55b2/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 14:21:12,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e737836f-3bba-4b4b-bee1-392a135f55b2/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-23 14:21:12,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:21:12,441 INFO L263 TraceCheckSpWp]: Trace formula consists of 442 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-23 14:21:12,461 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 14:21:12,799 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2021-11-23 14:21:12,799 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 14:21:12,799 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1134336180] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 14:21:12,799 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-23 14:21:12,800 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2021-11-23 14:21:12,800 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868294553] [2021-11-23 14:21:12,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 14:21:12,801 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 14:21:12,801 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:21:12,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 14:21:12,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-23 14:21:12,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:21:12,802 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-23 14:21:12,803 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 67.66666666666667) internal successors, (203), 3 states have internal predecessors, (203), 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 14:21:12,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:21:12,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:21:12,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:21:12,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:21:12,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:21:12,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:21:12,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:21:12,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:21:12,873 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e737836f-3bba-4b4b-bee1-392a135f55b2/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-23 14:21:13,060 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e737836f-3bba-4b4b-bee1-392a135f55b2/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2021-11-23 14:21:13,061 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 14:21:13,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:21:13,061 INFO L85 PathProgramCache]: Analyzing trace with hash -67011392, now seen corresponding path program 1 times [2021-11-23 14:21:13,062 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:21:13,062 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428983622] [2021-11-23 14:21:13,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:21:13,062 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:21:13,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:21:13,171 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2021-11-23 14:21:13,172 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:21:13,175 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1428983622] [2021-11-23 14:21:13,175 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1428983622] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 14:21:13,175 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1294802202] [2021-11-23 14:21:13,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:21:13,176 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 14:21:13,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e737836f-3bba-4b4b-bee1-392a135f55b2/bin/ugemcutter-aZbSL5k0Dw/z3 [2021-11-23 14:21:13,177 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e737836f-3bba-4b4b-bee1-392a135f55b2/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 14:21:13,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e737836f-3bba-4b4b-bee1-392a135f55b2/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-23 14:21:13,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:21:13,309 INFO L263 TraceCheckSpWp]: Trace formula consists of 436 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-23 14:21:13,313 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 14:21:13,692 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2021-11-23 14:21:13,693 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 14:21:14,056 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2021-11-23 14:21:14,061 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1294802202] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 14:21:14,062 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-23 14:21:14,062 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2021-11-23 14:21:14,062 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373947199] [2021-11-23 14:21:14,062 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-23 14:21:14,064 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-23 14:21:14,064 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:21:14,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-23 14:21:14,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2021-11-23 14:21:14,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:21:14,065 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-23 14:21:14,066 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 17.3) internal successors, (173), 10 states have internal predecessors, (173), 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 14:21:14,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:21:14,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:21:14,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:21:14,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:21:14,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:21:14,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:21:14,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:21:14,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:21:14,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:21:14,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:21:14,195 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e737836f-3bba-4b4b-bee1-392a135f55b2/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-23 14:21:14,372 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e737836f-3bba-4b4b-bee1-392a135f55b2/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 14:21:14,373 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 14:21:14,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:21:14,373 INFO L85 PathProgramCache]: Analyzing trace with hash 196086976, now seen corresponding path program 2 times [2021-11-23 14:21:14,374 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:21:14,374 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1922991741] [2021-11-23 14:21:14,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:21:14,374 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:21:14,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:21:14,464 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 21 proven. 1 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2021-11-23 14:21:14,464 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:21:14,464 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1922991741] [2021-11-23 14:21:14,464 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1922991741] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 14:21:14,465 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1124297050] [2021-11-23 14:21:14,467 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-23 14:21:14,467 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 14:21:14,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e737836f-3bba-4b4b-bee1-392a135f55b2/bin/ugemcutter-aZbSL5k0Dw/z3 [2021-11-23 14:21:14,481 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e737836f-3bba-4b4b-bee1-392a135f55b2/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 14:21:14,482 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e737836f-3bba-4b4b-bee1-392a135f55b2/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-23 14:21:14,607 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-23 14:21:14,607 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-23 14:21:14,609 INFO L263 TraceCheckSpWp]: Trace formula consists of 450 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-23 14:21:14,613 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 14:21:14,988 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2021-11-23 14:21:14,989 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 14:21:15,444 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2021-11-23 14:21:15,445 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1124297050] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 14:21:15,445 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-23 14:21:15,445 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 9, 9] total 19 [2021-11-23 14:21:15,449 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [857192572] [2021-11-23 14:21:15,450 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-23 14:21:15,451 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-11-23 14:21:15,451 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:21:15,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-11-23 14:21:15,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2021-11-23 14:21:15,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:21:15,454 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-23 14:21:15,454 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 11.526315789473685) internal successors, (219), 19 states have internal predecessors, (219), 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 14:21:15,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:21:15,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:21:15,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:21:15,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:21:15,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:21:15,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:21:15,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:21:15,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:21:15,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:21:15,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:21:15,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:21:15,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-11-23 14:21:15,777 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e737836f-3bba-4b4b-bee1-392a135f55b2/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-23 14:21:15,968 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e737836f-3bba-4b4b-bee1-392a135f55b2/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 14:21:15,968 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 14:21:15,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:21:15,969 INFO L85 PathProgramCache]: Analyzing trace with hash -1712114066, now seen corresponding path program 1 times [2021-11-23 14:21:15,969 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:21:15,969 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580200736] [2021-11-23 14:21:15,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:21:15,970 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:21:15,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:21:16,150 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 14:21:16,150 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:21:16,150 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580200736] [2021-11-23 14:21:16,150 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1580200736] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 14:21:16,150 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [385953517] [2021-11-23 14:21:16,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:21:16,151 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 14:21:16,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e737836f-3bba-4b4b-bee1-392a135f55b2/bin/ugemcutter-aZbSL5k0Dw/z3 [2021-11-23 14:21:16,152 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e737836f-3bba-4b4b-bee1-392a135f55b2/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 14:21:16,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e737836f-3bba-4b4b-bee1-392a135f55b2/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-23 14:21:16,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:21:16,244 INFO L263 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-23 14:21:16,246 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 14:21:16,440 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 14:21:16,440 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 14:21:16,712 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 14:21:16,712 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [385953517] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 14:21:16,713 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-23 14:21:16,713 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 23 [2021-11-23 14:21:16,715 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652565514] [2021-11-23 14:21:16,715 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-23 14:21:16,715 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2021-11-23 14:21:16,716 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:21:16,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-11-23 14:21:16,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2021-11-23 14:21:16,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:21:16,717 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-23 14:21:16,718 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 4.869565217391305) internal successors, (112), 23 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:21:16,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:21:16,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:21:16,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:21:16,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:21:16,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:21:16,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-11-23 14:21:16,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:21:17,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:21:17,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:21:17,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:21:17,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:21:17,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:21:17,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-11-23 14:21:17,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-11-23 14:21:17,080 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e737836f-3bba-4b4b-bee1-392a135f55b2/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-23 14:21:17,256 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e737836f-3bba-4b4b-bee1-392a135f55b2/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 14:21:17,257 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 14:21:17,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:21:17,257 INFO L85 PathProgramCache]: Analyzing trace with hash 848425198, now seen corresponding path program 2 times [2021-11-23 14:21:17,257 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:21:17,257 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1987778475] [2021-11-23 14:21:17,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:21:17,258 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:21:17,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:21:17,924 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 14:21:17,924 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:21:17,924 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1987778475] [2021-11-23 14:21:17,924 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1987778475] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 14:21:17,924 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1022195774] [2021-11-23 14:21:17,925 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-23 14:21:17,925 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 14:21:17,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e737836f-3bba-4b4b-bee1-392a135f55b2/bin/ugemcutter-aZbSL5k0Dw/z3 [2021-11-23 14:21:17,926 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e737836f-3bba-4b4b-bee1-392a135f55b2/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 14:21:17,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e737836f-3bba-4b4b-bee1-392a135f55b2/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-23 14:21:18,011 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-23 14:21:18,011 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-23 14:21:18,013 INFO L263 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 14:21:18,016 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 14:21:18,099 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 14:21:18,611 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-23 14:21:18,611 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 14:21:18,693 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 14:21:18,696 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 14:21:18,904 INFO L354 Elim1Store]: treesize reduction 30, result has 14.3 percent of original size [2021-11-23 14:21:18,904 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 14:21:18,917 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 14:21:18,973 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 14 treesize of output 10 [2021-11-23 14:21:19,035 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 14:21:19,035 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 14:21:23,903 WARN L838 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_main_#t~pre44#1| Int) (|t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| Int) (|ULTIMATE.start_main_~i~3#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~pre44#1|)) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset|) 0)) is different from false [2021-11-23 14:21:25,451 WARN L838 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_main_#t~pre44#1| Int) (|t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| Int) (|ULTIMATE.start_main_~i~3#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~pre44#1|)) |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base|) |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset|) 0)) is different from false [2021-11-23 14:21:27,034 WARN L838 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_main_#t~pre44#1| Int) (|t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| Int) (|ULTIMATE.start_main_~i~3#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~pre44#1|)) |c_~#cache~0.base|) |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset|) 0)) is different from false [2021-11-23 14:21:29,113 WARN L838 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_main_#t~pre44#1| Int) (|v_ULTIMATE.start_main_#t~pre44#1_16| Int) (|t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| Int) (|v_ULTIMATE.start_main_~i~3#1_15| Int) (|ULTIMATE.start_main_~i~3#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~pre44#1|) (+ |ULTIMATE.start_main_~#t_ids~0#1.offset| (* |v_ULTIMATE.start_main_~i~3#1_15| 4)) |v_ULTIMATE.start_main_#t~pre44#1_16|)) |c_~#cache~0.base|) |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset|) 0)) is different from false [2021-11-23 14:21:30,277 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 89 treesize of output 87 [2021-11-23 14:21:30,285 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 136 treesize of output 134 [2021-11-23 14:21:32,345 INFO L354 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2021-11-23 14:21:32,345 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 14:21:32,369 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 14:21:32,370 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1022195774] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 14:21:32,370 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-23 14:21:32,370 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 12, 13] total 31 [2021-11-23 14:21:32,370 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588802301] [2021-11-23 14:21:32,370 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-23 14:21:32,371 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2021-11-23 14:21:32,371 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:21:32,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-11-23 14:21:32,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=610, Unknown=7, NotChecked=212, Total=930 [2021-11-23 14:21:32,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:21:32,373 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-23 14:21:32,373 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 5.645161290322581) internal successors, (175), 31 states have internal predecessors, (175), 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 14:21:32,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:21:32,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:21:32,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:21:32,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:21:32,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:21:32,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-11-23 14:21:32,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-11-23 14:21:32,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:22:06,256 WARN L227 SmtUtils]: Spent 33.77s on a formula simplification. DAG size of input: 40 DAG size of output: 37 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-23 14:22:11,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:22:11,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:22:11,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:22:11,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:22:11,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:22:11,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-11-23 14:22:11,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-11-23 14:22:11,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-23 14:22:11,127 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e737836f-3bba-4b4b-bee1-392a135f55b2/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-11-23 14:22:11,303 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e737836f-3bba-4b4b-bee1-392a135f55b2/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 14:22:11,303 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 14:22:11,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:22:11,304 INFO L85 PathProgramCache]: Analyzing trace with hash 489511099, now seen corresponding path program 1 times [2021-11-23 14:22:11,304 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:22:11,304 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1125316657] [2021-11-23 14:22:11,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:22:11,304 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:22:11,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:22:14,293 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2021-11-23 14:22:14,293 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:22:14,293 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1125316657] [2021-11-23 14:22:14,293 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1125316657] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 14:22:14,294 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [936448136] [2021-11-23 14:22:14,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:22:14,294 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 14:22:14,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e737836f-3bba-4b4b-bee1-392a135f55b2/bin/ugemcutter-aZbSL5k0Dw/z3 [2021-11-23 14:22:14,308 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e737836f-3bba-4b4b-bee1-392a135f55b2/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 14:22:14,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e737836f-3bba-4b4b-bee1-392a135f55b2/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-11-23 14:22:14,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:22:14,403 INFO L263 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-23 14:22:14,406 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 14:22:14,486 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 14:22:15,034 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-23 14:22:15,034 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 14:22:15,105 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 14:22:15,108 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 14:22:15,410 INFO L354 Elim1Store]: treesize reduction 30, result has 14.3 percent of original size [2021-11-23 14:22:15,411 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 14:22:15,419 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 14:22:15,589 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 15 [2021-11-23 14:22:16,486 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 14:22:44,068 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 52 treesize of output 48 [2021-11-23 14:22:44,243 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2021-11-23 14:22:44,243 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 14:22:55,040 WARN L838 $PredicateComparison]: unable to prove that (forall ((|aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_45_117| Int) (|t_funThread1of1ForFork0_cache_entry_addref_#t~post38#1| Int) (|aux_div_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_45_117| Int)) (or (= (select (select (store |c_#memory_int| |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| (store (select |c_#memory_int| |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| (+ (- 1) |t_funThread1of1ForFork0_cache_entry_addref_#t~post38#1|))) |c_~#cache~0.base|) (+ (- 1) (* |aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_45_117| (- 1)) |c_~#cache~0.offset| (* |aux_div_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_45_117| 28))) 0) (< |aux_div_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_45_117| (+ |c_t_funThread1of1ForFork0_~i~0#1| 2)) (<= 28 |aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_45_117|) (< |aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_45_117| 0))) is different from false [2021-11-23 14:22:57,521 WARN L838 $PredicateComparison]: unable to prove that (forall ((|aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_45_117| Int) (|t_funThread1of1ForFork0_cache_entry_addref_#t~post38#1| Int) (|ULTIMATE.start_main_#t~pre44#1| Int) (|ULTIMATE.start_main_~i~3#1| Int) (|aux_div_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_45_117| Int)) (or (< |aux_div_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_45_117| (+ |c_t_funThread1of1ForFork0_~i~0#1| 2)) (<= 28 |aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_45_117|) (< |aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_45_117| 0) (= 0 (select (select (let ((.cse0 (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~pre44#1|)))) (store .cse0 |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| (store (select .cse0 |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| (+ (- 1) |t_funThread1of1ForFork0_cache_entry_addref_#t~post38#1|)))) |c_~#cache~0.base|) (+ (- 1) (* |aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_45_117| (- 1)) |c_~#cache~0.offset| (* |aux_div_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_45_117| 28)))))) is different from false [2021-11-23 14:22:59,888 WARN L838 $PredicateComparison]: unable to prove that (forall ((|aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_45_117| Int) (|t_funThread1of1ForFork0_cache_entry_addref_#t~post38#1| Int) (|ULTIMATE.start_main_#t~pre44#1| Int) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_47| Int) (|ULTIMATE.start_main_~i~3#1| Int) (|aux_div_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_45_117| Int)) (or (= (select (select (let ((.cse0 (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~pre44#1|)))) (store .cse0 |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base| (store (select .cse0 |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_47| (+ (- 1) |t_funThread1of1ForFork0_cache_entry_addref_#t~post38#1|)))) |c_~#cache~0.base|) (+ (- 1) (* |aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_45_117| (- 1)) |c_~#cache~0.offset| (* |aux_div_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_45_117| 28))) 0) (< |aux_div_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_45_117| (+ |c_t_funThread1of1ForFork0_~i~0#1| 2)) (<= 28 |aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_45_117|) (< |aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_45_117| 0) (< |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.offset| |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_47|))) is different from false [2021-11-23 14:23:02,097 WARN L838 $PredicateComparison]: unable to prove that (forall ((|aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_45_117| Int) (|t_funThread1of1ForFork0_cache_entry_addref_#t~post38#1| Int) (|ULTIMATE.start_main_#t~pre44#1| Int) (|aux_div_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_47_113| Int) (|aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_47_113| Int) (|~#cache~0.offset| Int) (|ULTIMATE.start_main_~i~3#1| Int) (|aux_div_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_45_117| Int)) (or (< |aux_div_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_45_117| (+ |aux_div_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_47_113| 3)) (= (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~pre44#1|)) |c_~#cache~0.base|) (+ (* |aux_div_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_47_113| 28) |~#cache~0.offset| |aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_47_113| 1) (+ (- 1) |t_funThread1of1ForFork0_cache_entry_addref_#t~post38#1|)) (+ (- 1) (* |aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_45_117| (- 1)) |~#cache~0.offset| (* |aux_div_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_45_117| 28))) 0) (<= 28 |aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_47_113|) (<= 28 |aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_45_117|) (< |aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_45_117| 0) (< |aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_47_113| 0))) is different from false [2021-11-23 14:23:05,054 WARN L838 $PredicateComparison]: unable to prove that (forall ((|aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_45_117| Int) (|t_funThread1of1ForFork0_cache_entry_addref_#t~post38#1| Int) (|ULTIMATE.start_main_#t~pre44#1| Int) (|aux_div_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_47_113| Int) (|v_ULTIMATE.start_main_#t~pre44#1_21| Int) (|aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_47_113| Int) (|~#cache~0.offset| Int) (|ULTIMATE.start_main_~i~3#1| Int) (|ULTIMATE.start_main_~#t_ids~0#1.offset| Int) (|v_ULTIMATE.start_main_~i~3#1_19| Int) (|aux_div_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_45_117| Int)) (or (< |aux_div_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_45_117| (+ |aux_div_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_47_113| 3)) (= (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|) (+ |ULTIMATE.start_main_~#t_ids~0#1.offset| (* |ULTIMATE.start_main_~i~3#1| 4)) |ULTIMATE.start_main_#t~pre44#1|) (+ |ULTIMATE.start_main_~#t_ids~0#1.offset| (* |v_ULTIMATE.start_main_~i~3#1_19| 4)) |v_ULTIMATE.start_main_#t~pre44#1_21|)) |c_~#cache~0.base|) (+ (* |aux_div_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_47_113| 28) |~#cache~0.offset| |aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_47_113| 1) (+ (- 1) |t_funThread1of1ForFork0_cache_entry_addref_#t~post38#1|)) (+ (- 1) (* |aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_45_117| (- 1)) |~#cache~0.offset| (* |aux_div_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_45_117| 28))) 0) (<= 28 |aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_47_113|) (<= 28 |aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_45_117|) (< |aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_45_117| 0) (< |aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_47_113| 0))) is different from false [2021-11-23 14:23:13,531 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 182 treesize of output 180 [2021-11-23 14:23:13,538 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 760 treesize of output 740 [2021-11-23 14:23:15,792 INFO L354 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2021-11-23 14:23:15,793 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 14:23:15,819 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 14 not checked. [2021-11-23 14:23:15,819 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [936448136] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 14:23:15,819 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-23 14:23:15,819 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 18, 18] total 48 [2021-11-23 14:23:15,819 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1623083297] [2021-11-23 14:23:15,819 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-23 14:23:15,820 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2021-11-23 14:23:15,820 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:23:15,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2021-11-23 14:23:15,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=208, Invalid=1593, Unknown=25, NotChecked=430, Total=2256 [2021-11-23 14:23:15,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:23:15,823 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-23 14:23:15,823 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 48 states have (on average 5.583333333333333) internal successors, (268), 48 states have internal predecessors, (268), 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 14:23:15,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:23:15,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:23:15,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:23:15,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:23:15,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:23:15,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-11-23 14:23:15,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-11-23 14:23:15,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-11-23 14:23:15,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:24:11,823 WARN L227 SmtUtils]: Spent 30.14s on a formula simplification. DAG size of input: 75 DAG size of output: 24 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-23 14:24:43,277 WARN L227 SmtUtils]: Spent 29.88s on a formula simplification. DAG size of input: 79 DAG size of output: 24 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-23 14:25:55,541 WARN L227 SmtUtils]: Spent 1.20m on a formula simplification. DAG size of input: 89 DAG size of output: 53 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-23 14:26:25,508 WARN L227 SmtUtils]: Spent 29.90s on a formula simplification. DAG size of input: 64 DAG size of output: 21 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-23 14:27:02,391 WARN L227 SmtUtils]: Spent 29.94s on a formula simplification. DAG size of input: 81 DAG size of output: 21 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-23 14:27:32,812 WARN L227 SmtUtils]: Spent 22.85s on a formula simplification. DAG size of input: 89 DAG size of output: 33 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-23 14:27:41,190 WARN L227 SmtUtils]: Spent 8.20s on a formula simplification. DAG size of input: 85 DAG size of output: 53 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-23 14:27:42,612 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse4 (store (select |c_#memory_int| |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| 0)) (.cse0 ((as const (Array Int Int)) 0))) (let ((.cse3 (@diff .cse4 .cse0))) (let ((.cse1 (store .cse4 .cse3 0))) (let ((.cse2 (@diff .cse1 .cse0))) (and (= .cse0 (store .cse1 .cse2 0)) (<= |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| (+ |c_~#cache~0.offset| (* 28 |c_t_funThread1of1ForFork0_~i~0#1|))) (= |c_~#cache~0.base| 4) (= |c_~#cache~0.base| |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) (forall ((|aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_45_117| Int) (|t_funThread1of1ForFork0_cache_entry_addref_#t~post38#1| Int) (|aux_div_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_45_117| Int)) (or (= (select (select (store |c_#memory_int| |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| (store (select |c_#memory_int| |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| (+ (- 1) |t_funThread1of1ForFork0_cache_entry_addref_#t~post38#1|))) |c_~#cache~0.base|) (+ (- 1) (* |aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_45_117| (- 1)) |c_~#cache~0.offset| (* |aux_div_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_45_117| 28))) 0) (< |aux_div_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_45_117| (+ |c_t_funThread1of1ForFork0_~i~0#1| 2)) (<= 28 |aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_45_117|) (< |aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_45_117| 0))) (or (<= .cse3 4) (= .cse0 .cse4)) (= |c_~#cache~0.offset| 0) (= |c_t_funThread1of1ForFork0_~i~0#1| 0) (exists ((|t_funThread1of1ForFork0_cache_entry_addref_#t~post35#1| Int)) (= (store ((as const (Array Int Int)) 0) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| (+ |t_funThread1of1ForFork0_cache_entry_addref_#t~post35#1| 1)) (select |c_#memory_int| |c_~#cache~0.base|))) (or (<= .cse2 4) (= .cse0 .cse1))))))) is different from false [2021-11-23 14:28:30,440 WARN L227 SmtUtils]: Spent 8.86s on a formula simplification that was a NOOP. DAG size: 84 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-23 14:28:30,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:28:30,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:28:30,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:28:30,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:28:30,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:28:30,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-11-23 14:28:30,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-11-23 14:28:30,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-23 14:28:30,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-11-23 14:28:30,504 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e737836f-3bba-4b4b-bee1-392a135f55b2/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-11-23 14:28:30,683 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e737836f-3bba-4b4b-bee1-392a135f55b2/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 14:28:30,683 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 14:28:30,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:28:30,684 INFO L85 PathProgramCache]: Analyzing trace with hash 1506123272, now seen corresponding path program 2 times [2021-11-23 14:28:30,684 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:28:30,684 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [983093214] [2021-11-23 14:28:30,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:28:30,684 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:28:30,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:28:38,792 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 0 proven. 59 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2021-11-23 14:28:38,792 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:28:38,792 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [983093214] [2021-11-23 14:28:38,793 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [983093214] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 14:28:38,793 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2046994412] [2021-11-23 14:28:38,793 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-23 14:28:38,793 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 14:28:38,793 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e737836f-3bba-4b4b-bee1-392a135f55b2/bin/ugemcutter-aZbSL5k0Dw/z3 [2021-11-23 14:28:38,797 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e737836f-3bba-4b4b-bee1-392a135f55b2/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 14:28:38,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e737836f-3bba-4b4b-bee1-392a135f55b2/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-11-23 14:28:38,889 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-23 14:28:38,889 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-23 14:28:38,891 INFO L263 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 40 conjunts are in the unsatisfiable core [2021-11-23 14:28:38,895 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 14:28:38,982 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 14:28:39,399 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-23 14:28:39,399 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 14:28:39,476 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 14:28:39,479 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 14:28:39,773 INFO L354 Elim1Store]: treesize reduction 30, result has 14.3 percent of original size [2021-11-23 14:28:39,773 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 14:28:39,777 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 14:28:39,924 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 15 [2021-11-23 14:28:40,658 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 14:29:19,408 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 38 [2021-11-23 14:29:33,897 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~post38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:29:33,908 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 55 treesize of output 50 [2021-11-23 14:31:04,197 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 52 treesize of output 48 [2021-11-23 14:31:04,390 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 4 proven. 32 refuted. 23 times theorem prover too weak. 235 trivial. 0 not checked. [2021-11-23 14:31:04,391 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 14:31:15,206 WARN L838 $PredicateComparison]: unable to prove that (forall ((|t_funThread1of1ForFork0_cache_entry_addref_#t~post38#1| Int) (|aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_50_117| Int) (|aux_div_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_50_117| Int)) (or (<= 28 |aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_50_117|) (< |aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_50_117| 0) (< |aux_div_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_50_117| (+ |c_t_funThread1of1ForFork0_~i~0#1| 2)) (= (select (select (store |c_#memory_int| |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| (store (select |c_#memory_int| |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| (+ (- 1) |t_funThread1of1ForFork0_cache_entry_addref_#t~post38#1|))) |c_~#cache~0.base|) (+ (- 1) |c_~#cache~0.offset| (* |aux_div_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_50_117| 28) (* |aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_50_117| (- 1)))) 0))) is different from false [2021-11-23 14:31:17,915 WARN L838 $PredicateComparison]: unable to prove that (forall ((|t_funThread1of1ForFork0_cache_entry_addref_#t~post38#1| Int) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_52| Int) (|aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_50_117| Int) (|aux_div_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_50_117| Int)) (or (< |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.offset| |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_52|) (<= 28 |aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_50_117|) (< |aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_50_117| 0) (< |aux_div_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_50_117| (+ |c_t_funThread1of1ForFork0_~i~0#1| 2)) (= (select (select (store |c_#memory_int| |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base| (store (select |c_#memory_int| |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_52| (+ (- 1) |t_funThread1of1ForFork0_cache_entry_addref_#t~post38#1|))) |c_~#cache~0.base|) (+ (- 1) |c_~#cache~0.offset| (* |aux_div_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_50_117| 28) (* |aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_50_117| (- 1)))) 0))) is different from false [2021-11-23 14:31:18,791 WARN L838 $PredicateComparison]: unable to prove that (forall ((|t_funThread1of1ForFork0_cache_entry_addref_#t~post38#1| Int) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_52| Int) (|aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_50_117| Int) (|aux_div_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_50_117| Int)) (or (<= 28 |aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_50_117|) (< |aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_50_117| 0) (< |aux_div_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_50_117| (+ |c_t_funThread1of1ForFork0_~i~0#1| 2)) (= (select (store (select |c_#memory_int| |c_~#cache~0.base|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_52| (+ (- 1) |t_funThread1of1ForFork0_cache_entry_addref_#t~post38#1|)) (+ (- 1) |c_~#cache~0.offset| (* |aux_div_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_50_117| 28) (* |aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_50_117| (- 1)))) 0) (< (+ |c_~#cache~0.offset| (* 28 |c_t_funThread1of1ForFork0_~i~0#1|)) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_52|))) is different from false [2021-11-23 14:31:21,036 WARN L838 $PredicateComparison]: unable to prove that (forall ((|aux_div_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_52_113| Int) (|t_funThread1of1ForFork0_cache_entry_addref_#t~post38#1| Int) (|aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_50_117| Int) (|aux_div_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_50_117| Int) (|aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_52_113| Int)) (or (<= 28 |aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_50_117|) (< |aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_50_117| 0) (< |aux_div_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_50_117| (+ 3 |c_t_funThread1of1ForFork0_#t~post41#1|)) (< |aux_div_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_50_117| (+ |aux_div_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_52_113| 3)) (< |aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_52_113| 0) (<= 28 |aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_52_113|) (= (select (store (select |c_#memory_int| |c_~#cache~0.base|) (+ |c_~#cache~0.offset| |aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_52_113| (* |aux_div_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_52_113| 28) 1) (+ (- 1) |t_funThread1of1ForFork0_cache_entry_addref_#t~post38#1|)) (+ (- 1) |c_~#cache~0.offset| (* |aux_div_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_50_117| 28) (* |aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_50_117| (- 1)))) 0))) is different from false [2021-11-23 14:31:23,119 WARN L838 $PredicateComparison]: unable to prove that (forall ((|aux_div_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_52_113| Int) (|t_funThread1of1ForFork0_cache_entry_addref_#t~post38#1| Int) (|aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_50_117| Int) (|aux_div_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_50_117| Int) (|aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_52_113| Int)) (or (< |aux_div_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_50_117| (+ |c_t_funThread1of1ForFork0_~i~0#1| 3)) (<= 28 |aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_50_117|) (< |aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_50_117| 0) (< |aux_div_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_50_117| (+ |aux_div_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_52_113| 3)) (< |aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_52_113| 0) (<= 28 |aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_52_113|) (= (select (store (select |c_#memory_int| |c_~#cache~0.base|) (+ |c_~#cache~0.offset| |aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_52_113| (* |aux_div_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_52_113| 28) 1) (+ (- 1) |t_funThread1of1ForFork0_cache_entry_addref_#t~post38#1|)) (+ (- 1) |c_~#cache~0.offset| (* |aux_div_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_50_117| 28) (* |aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_50_117| (- 1)))) 0))) is different from false [2021-11-23 14:31:23,697 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~post38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:31:25,270 WARN L838 $PredicateComparison]: unable to prove that (forall ((|aux_div_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_52_113| Int) (|t_funThread1of1ForFork0_cache_entry_addref_#t~post38#1| Int) (|aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_50_117| Int) (|v_t_funThread1of1ForFork0_cache_entry_addref_#t~post38#1_48| Int) (|aux_div_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_50_117| Int) (|aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_52_113| Int)) (or (< |aux_div_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_50_117| (+ |c_t_funThread1of1ForFork0_~i~0#1| 3)) (<= 28 |aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_50_117|) (< |aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_50_117| 0) (< |aux_div_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_50_117| (+ |aux_div_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_52_113| 3)) (< |aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_52_113| 0) (= (select (store (select (store |c_#memory_int| |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| (store (select |c_#memory_int| |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| (+ (- 1) |t_funThread1of1ForFork0_cache_entry_addref_#t~post38#1|))) |c_~#cache~0.base|) (+ |c_~#cache~0.offset| |aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_52_113| (* |aux_div_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_52_113| 28) 1) (+ (- 1) |v_t_funThread1of1ForFork0_cache_entry_addref_#t~post38#1_48|)) (+ (- 1) |c_~#cache~0.offset| (* |aux_div_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_50_117| 28) (* |aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_50_117| (- 1)))) 0) (<= 28 |aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_52_113|))) is different from false [2021-11-23 14:31:28,823 WARN L838 $PredicateComparison]: unable to prove that (forall ((|aux_div_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_52_113| Int) (|t_funThread1of1ForFork0_cache_entry_addref_#t~post38#1| Int) (|ULTIMATE.start_main_#t~pre44#1| Int) (|aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_50_117| Int) (|v_t_funThread1of1ForFork0_cache_entry_addref_#t~post38#1_48| Int) (|aux_div_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_50_117| Int) (|ULTIMATE.start_main_~i~3#1| Int) (|aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_52_113| Int)) (or (< |aux_div_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_50_117| (+ |c_t_funThread1of1ForFork0_~i~0#1| 3)) (= (select (store (select (let ((.cse0 (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~pre44#1|)))) (store .cse0 |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| (store (select .cse0 |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| (+ (- 1) |t_funThread1of1ForFork0_cache_entry_addref_#t~post38#1|)))) |c_~#cache~0.base|) (+ |c_~#cache~0.offset| |aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_52_113| (* |aux_div_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_52_113| 28) 1) (+ (- 1) |v_t_funThread1of1ForFork0_cache_entry_addref_#t~post38#1_48|)) (+ (- 1) |c_~#cache~0.offset| (* |aux_div_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_50_117| 28) (* |aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_50_117| (- 1)))) 0) (<= 28 |aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_50_117|) (< |aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_50_117| 0) (< |aux_div_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_50_117| (+ |aux_div_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_52_113| 3)) (< |aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_52_113| 0) (<= 28 |aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_52_113|))) is different from false [2021-11-23 14:31:31,444 WARN L838 $PredicateComparison]: unable to prove that (forall ((|aux_div_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_52_113| Int) (|t_funThread1of1ForFork0_cache_entry_addref_#t~post38#1| Int) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_54| Int) (|ULTIMATE.start_main_#t~pre44#1| Int) (|aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_50_117| Int) (|v_t_funThread1of1ForFork0_cache_entry_addref_#t~post38#1_48| Int) (|aux_div_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_50_117| Int) (|ULTIMATE.start_main_~i~3#1| Int) (|aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_52_113| Int)) (or (< |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.offset| |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_54|) (< |aux_div_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_50_117| (+ |c_t_funThread1of1ForFork0_~i~0#1| 3)) (<= 28 |aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_50_117|) (< |aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_50_117| 0) (= (select (store (select (let ((.cse0 (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~pre44#1|)))) (store .cse0 |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base| (store (select .cse0 |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_54| (+ (- 1) |t_funThread1of1ForFork0_cache_entry_addref_#t~post38#1|)))) |c_~#cache~0.base|) (+ |c_~#cache~0.offset| |aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_52_113| (* |aux_div_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_52_113| 28) 1) (+ (- 1) |v_t_funThread1of1ForFork0_cache_entry_addref_#t~post38#1_48|)) (+ (- 1) |c_~#cache~0.offset| (* |aux_div_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_50_117| 28) (* |aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_50_117| (- 1)))) 0) (< |aux_div_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_50_117| (+ |aux_div_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_52_113| 3)) (< |aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_52_113| 0) (<= 28 |aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_52_113|))) is different from false