./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/goblint-regression/36-apron_22-traces-write-centered-vs-meet-mutex_true.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca8edc8-b165-471a-92f8-5a6d054270ee/bin/ugemcutter-riF8PgGdml/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca8edc8-b165-471a-92f8-5a6d054270ee/bin/ugemcutter-riF8PgGdml/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca8edc8-b165-471a-92f8-5a6d054270ee/bin/ugemcutter-riF8PgGdml/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca8edc8-b165-471a-92f8-5a6d054270ee/bin/ugemcutter-riF8PgGdml/config/GemCutterReach.xml -i ../../sv-benchmarks/c/goblint-regression/36-apron_22-traces-write-centered-vs-meet-mutex_true.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca8edc8-b165-471a-92f8-5a6d054270ee/bin/ugemcutter-riF8PgGdml/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca8edc8-b165-471a-92f8-5a6d054270ee/bin/ugemcutter-riF8PgGdml --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 3128bcc50a570fd6ab3f02a0aea0555f1efca8620ba75a954486e3a50d741a87 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 02:49:34,300 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 02:49:34,306 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 02:49:34,355 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 02:49:34,356 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 02:49:34,362 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 02:49:34,364 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 02:49:34,368 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 02:49:34,371 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 02:49:34,379 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 02:49:34,381 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 02:49:34,383 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 02:49:34,383 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 02:49:34,386 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 02:49:34,389 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 02:49:34,394 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 02:49:34,396 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 02:49:34,397 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 02:49:34,400 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 02:49:34,405 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 02:49:34,406 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 02:49:34,410 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 02:49:34,414 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 02:49:34,416 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 02:49:34,422 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 02:49:34,422 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 02:49:34,423 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 02:49:34,425 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 02:49:34,426 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 02:49:34,427 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 02:49:34,428 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 02:49:34,430 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 02:49:34,432 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 02:49:34,433 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 02:49:34,435 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 02:49:34,435 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 02:49:34,436 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 02:49:34,436 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 02:49:34,436 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 02:49:34,437 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 02:49:34,439 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 02:49:34,439 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca8edc8-b165-471a-92f8-5a6d054270ee/bin/ugemcutter-riF8PgGdml/config/svcomp-Reach-32bit-GemCutter_Default.epf [2021-10-29 02:49:34,487 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 02:49:34,487 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 02:49:34,488 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-29 02:49:34,488 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-29 02:49:34,495 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 02:49:34,496 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 02:49:34,496 INFO L138 SettingsManager]: * Use SBE=true [2021-10-29 02:49:34,496 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 02:49:34,497 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 02:49:34,497 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 02:49:34,498 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 02:49:34,498 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 02:49:34,498 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 02:49:34,499 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 02:49:34,499 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 02:49:34,499 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 02:49:34,499 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 02:49:34,499 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 02:49:34,500 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 02:49:34,500 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 02:49:34,500 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-29 02:49:34,500 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-10-29 02:49:34,501 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 02:49:34,501 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 02:49:34,501 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 02:49:34,501 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 02:49:34,502 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 02:49:34,502 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-29 02:49:34,502 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 02:49:34,504 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-29 02:49:34,504 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-10-29 02:49:34,504 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 02:49:34,504 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-10-29 02:49:34,505 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-10-29 02:49:34,505 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_9ca8edc8-b165-471a-92f8-5a6d054270ee/bin/ugemcutter-riF8PgGdml/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca8edc8-b165-471a-92f8-5a6d054270ee/bin/ugemcutter-riF8PgGdml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3128bcc50a570fd6ab3f02a0aea0555f1efca8620ba75a954486e3a50d741a87 [2021-10-29 02:49:34,802 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 02:49:34,826 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 02:49:34,829 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 02:49:34,830 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 02:49:34,831 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 02:49:34,833 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca8edc8-b165-471a-92f8-5a6d054270ee/bin/ugemcutter-riF8PgGdml/../../sv-benchmarks/c/goblint-regression/36-apron_22-traces-write-centered-vs-meet-mutex_true.i [2021-10-29 02:49:34,904 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca8edc8-b165-471a-92f8-5a6d054270ee/bin/ugemcutter-riF8PgGdml/data/c6633faf5/c156397edb684c478269c0b67e09d69d/FLAG8f140fb37 [2021-10-29 02:49:35,536 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 02:49:35,540 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca8edc8-b165-471a-92f8-5a6d054270ee/sv-benchmarks/c/goblint-regression/36-apron_22-traces-write-centered-vs-meet-mutex_true.i [2021-10-29 02:49:35,572 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca8edc8-b165-471a-92f8-5a6d054270ee/bin/ugemcutter-riF8PgGdml/data/c6633faf5/c156397edb684c478269c0b67e09d69d/FLAG8f140fb37 [2021-10-29 02:49:35,798 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca8edc8-b165-471a-92f8-5a6d054270ee/bin/ugemcutter-riF8PgGdml/data/c6633faf5/c156397edb684c478269c0b67e09d69d [2021-10-29 02:49:35,802 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 02:49:35,804 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 02:49:35,807 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 02:49:35,807 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 02:49:35,810 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 02:49:35,811 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 02:49:35" (1/1) ... [2021-10-29 02:49:35,814 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fe978b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:49:35, skipping insertion in model container [2021-10-29 02:49:35,814 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 02:49:35" (1/1) ... [2021-10-29 02:49:35,821 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 02:49:35,894 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 02:49:36,097 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca8edc8-b165-471a-92f8-5a6d054270ee/sv-benchmarks/c/goblint-regression/36-apron_22-traces-write-centered-vs-meet-mutex_true.i[845,858] [2021-10-29 02:49:36,302 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 02:49:36,320 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 02:49:36,335 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca8edc8-b165-471a-92f8-5a6d054270ee/sv-benchmarks/c/goblint-regression/36-apron_22-traces-write-centered-vs-meet-mutex_true.i[845,858] [2021-10-29 02:49:36,386 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 02:49:36,449 INFO L208 MainTranslator]: Completed translation [2021-10-29 02:49:36,450 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:49:36 WrapperNode [2021-10-29 02:49:36,450 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 02:49:36,452 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 02:49:36,452 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 02:49:36,452 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 02:49:36,460 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:49:36" (1/1) ... [2021-10-29 02:49:36,499 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:49:36" (1/1) ... [2021-10-29 02:49:36,538 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 02:49:36,539 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 02:49:36,540 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 02:49:36,540 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 02:49:36,549 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:49:36" (1/1) ... [2021-10-29 02:49:36,549 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:49:36" (1/1) ... [2021-10-29 02:49:36,558 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:49:36" (1/1) ... [2021-10-29 02:49:36,558 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:49:36" (1/1) ... [2021-10-29 02:49:36,574 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:49:36" (1/1) ... [2021-10-29 02:49:36,584 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:49:36" (1/1) ... [2021-10-29 02:49:36,585 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:49:36" (1/1) ... [2021-10-29 02:49:36,594 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 02:49:36,595 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 02:49:36,595 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 02:49:36,595 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 02:49:36,602 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:49:36" (1/1) ... [2021-10-29 02:49:36,610 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 02:49:36,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca8edc8-b165-471a-92f8-5a6d054270ee/bin/ugemcutter-riF8PgGdml/z3 [2021-10-29 02:49:36,642 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca8edc8-b165-471a-92f8-5a6d054270ee/bin/ugemcutter-riF8PgGdml/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-29 02:49:36,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca8edc8-b165-471a-92f8-5a6d054270ee/bin/ugemcutter-riF8PgGdml/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-29 02:49:36,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-29 02:49:36,694 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-10-29 02:49:36,694 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 02:49:36,694 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-10-29 02:49:36,694 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-10-29 02:49:36,695 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-29 02:49:36,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 02:49:36,695 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 02:49:36,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 02:49:36,697 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-29 02:49:37,114 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 02:49:37,114 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-10-29 02:49:37,116 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 02:49:37 BoogieIcfgContainer [2021-10-29 02:49:37,116 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 02:49:37,118 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-29 02:49:37,118 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-29 02:49:37,122 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-29 02:49:37,123 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 02:49:35" (1/3) ... [2021-10-29 02:49:37,123 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a86532c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 02:49:37, skipping insertion in model container [2021-10-29 02:49:37,124 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:49:36" (2/3) ... [2021-10-29 02:49:37,124 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a86532c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 02:49:37, skipping insertion in model container [2021-10-29 02:49:37,124 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 02:49:37" (3/3) ... [2021-10-29 02:49:37,126 INFO L111 eAbstractionObserver]: Analyzing ICFG 36-apron_22-traces-write-centered-vs-meet-mutex_true.i [2021-10-29 02:49:37,131 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-29 02:49:37,132 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-29 02:49:37,132 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-29 02:49:37,132 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-29 02:49:37,161 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,161 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,162 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,162 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,162 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,162 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,163 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,163 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,163 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,163 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,164 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,164 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,164 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,164 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,164 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,164 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,165 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,165 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,165 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,165 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~y~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,165 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,166 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~y~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,166 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,166 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,166 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,166 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,167 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,167 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~z~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,167 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,167 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~z~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,167 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,168 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,168 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,168 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,168 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,168 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,169 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,169 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,169 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,169 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,169 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,170 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,170 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,170 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,170 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,170 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,171 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,171 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,171 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,171 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,171 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~y~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,172 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~y~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,172 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~y~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,172 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,172 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,172 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~y~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,173 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,173 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,173 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,173 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,173 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,174 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,174 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,174 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,174 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,174 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,175 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,175 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,175 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,175 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,175 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,176 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,176 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~y~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,176 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,176 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,176 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~y~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,177 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,177 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,177 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,177 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,177 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,177 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,178 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,178 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,178 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,178 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,178 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,179 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,179 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,179 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,179 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~z~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,180 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~z~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,180 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~z~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,180 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,180 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,180 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~z~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,181 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,181 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,181 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,181 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,181 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,182 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,182 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,182 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,182 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,182 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,183 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,183 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,225 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~y~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,225 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~z~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,226 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,226 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,226 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,226 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,226 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,227 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,227 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,227 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,227 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,228 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,228 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,228 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,228 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,265 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-10-29 02:49:37,322 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-10-29 02:49:37,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca8edc8-b165-471a-92f8-5a6d054270ee/bin/ugemcutter-riF8PgGdml/z3 [2021-10-29 02:49:37,324 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca8edc8-b165-471a-92f8-5a6d054270ee/bin/ugemcutter-riF8PgGdml/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-10-29 02:49:37,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca8edc8-b165-471a-92f8-5a6d054270ee/bin/ugemcutter-riF8PgGdml/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-10-29 02:49:37,375 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t_funThread1of1ForFork0 ======== [2021-10-29 02:49:37,383 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 [2021-10-29 02:49:37,384 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-29 02:49:37,614 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr1ASSERT_VIOLATIONERROR_FUNCTION, t_funErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 02:49:37,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 02:49:37,623 INFO L85 PathProgramCache]: Analyzing trace with hash -1451957547, now seen corresponding path program 1 times [2021-10-29 02:49:37,638 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 02:49:37,638 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655212506] [2021-10-29 02:49:37,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 02:49:37,639 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:49:37,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:49:38,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 02:49:38,190 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-29 02:49:38,190 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [655212506] [2021-10-29 02:49:38,191 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [655212506] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 02:49:38,192 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 02:49:38,192 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-10-29 02:49:38,194 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457090749] [2021-10-29 02:49:38,200 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-29 02:49:38,200 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-29 02:49:38,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-29 02:49:38,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-10-29 02:49:38,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-29 02:49:38,234 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-29 02:49:38,235 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 8 states have internal predecessors, (61), 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) [2021-10-29 02:49:38,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-29 02:49:38,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-29 02:49:38,490 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-29 02:49:38,490 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr1ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr1ASSERT_VIOLATIONERROR_FUNCTION, t_funErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 02:49:38,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 02:49:38,491 INFO L85 PathProgramCache]: Analyzing trace with hash -858314502, now seen corresponding path program 1 times [2021-10-29 02:49:38,491 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 02:49:38,492 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2072846858] [2021-10-29 02:49:38,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 02:49:38,492 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:49:38,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:49:38,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 02:49:38,712 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-29 02:49:38,712 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2072846858] [2021-10-29 02:49:38,713 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2072846858] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 02:49:38,713 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 02:49:38,713 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-10-29 02:49:38,713 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [236500620] [2021-10-29 02:49:38,715 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-29 02:49:38,715 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-29 02:49:38,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-29 02:49:38,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-10-29 02:49:38,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-29 02:49:38,717 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-29 02:49:38,717 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.375) internal successors, (67), 8 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 02:49:38,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-29 02:49:38,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-29 02:49:38,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-29 02:49:38,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-29 02:49:38,891 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-29 02:49:38,892 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr2ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr1ASSERT_VIOLATIONERROR_FUNCTION, t_funErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 02:49:38,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 02:49:38,893 INFO L85 PathProgramCache]: Analyzing trace with hash 819777999, now seen corresponding path program 1 times [2021-10-29 02:49:38,893 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 02:49:38,893 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754445459] [2021-10-29 02:49:38,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 02:49:38,894 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:49:38,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:49:38,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 02:49:38,987 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-29 02:49:38,987 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1754445459] [2021-10-29 02:49:38,987 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1754445459] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 02:49:38,988 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 02:49:38,988 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-29 02:49:38,988 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797219079] [2021-10-29 02:49:38,989 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-29 02:49:38,989 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-29 02:49:38,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-29 02:49:38,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-29 02:49:38,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-29 02:49:38,992 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-29 02:49:38,992 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 6 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 02:49:38,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-29 02:49:38,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-29 02:49:38,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-29 02:49:39,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-29 02:49:39,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-29 02:49:39,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-29 02:49:39,165 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-29 02:49:39,166 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr2ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr1ASSERT_VIOLATIONERROR_FUNCTION, t_funErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 02:49:39,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 02:49:39,167 INFO L85 PathProgramCache]: Analyzing trace with hash -327007762, now seen corresponding path program 1 times [2021-10-29 02:49:39,167 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 02:49:39,168 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [303637213] [2021-10-29 02:49:39,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 02:49:39,168 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:49:39,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:49:39,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 02:49:39,339 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-29 02:49:39,339 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [303637213] [2021-10-29 02:49:39,341 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [303637213] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 02:49:39,345 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 02:49:39,345 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-10-29 02:49:39,345 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740463875] [2021-10-29 02:49:39,349 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-29 02:49:39,350 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-29 02:49:39,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-29 02:49:39,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-10-29 02:49:39,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-29 02:49:39,351 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-29 02:49:39,351 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.125) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 02:49:39,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-10-29 02:49:39,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-29 02:49:39,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-29 02:49:39,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-29 02:49:39,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-29 02:49:39,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-29 02:49:39,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-29 02:49:39,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-29 02:49:39,634 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-29 02:49:39,634 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr2ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr1ASSERT_VIOLATIONERROR_FUNCTION, t_funErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 02:49:39,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 02:49:39,635 INFO L85 PathProgramCache]: Analyzing trace with hash -1688779494, now seen corresponding path program 1 times [2021-10-29 02:49:39,635 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 02:49:39,635 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339409199] [2021-10-29 02:49:39,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 02:49:39,636 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:49:39,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:49:39,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 02:49:39,764 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-29 02:49:39,764 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [339409199] [2021-10-29 02:49:39,764 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [339409199] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 02:49:39,765 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 02:49:39,765 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-10-29 02:49:39,765 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [878589435] [2021-10-29 02:49:39,766 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-29 02:49:39,766 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-29 02:49:39,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-29 02:49:39,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-10-29 02:49:39,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-29 02:49:39,767 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-29 02:49:39,767 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.5) internal successors, (92), 8 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 02:49:39,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-10-29 02:49:39,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-10-29 02:49:39,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-29 02:49:39,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-10-29 02:49:39,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-29 02:49:40,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-10-29 02:49:40,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-29 02:49:40,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-29 02:49:40,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-10-29 02:49:40,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-29 02:49:40,209 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-29 02:49:40,210 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr1ASSERT_VIOLATIONERROR_FUNCTION, t_funErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 02:49:40,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 02:49:40,210 INFO L85 PathProgramCache]: Analyzing trace with hash 669957016, now seen corresponding path program 1 times [2021-10-29 02:49:40,211 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 02:49:40,211 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [379177877] [2021-10-29 02:49:40,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 02:49:40,211 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:49:40,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:49:40,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 02:49:40,386 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-29 02:49:40,386 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [379177877] [2021-10-29 02:49:40,386 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [379177877] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 02:49:40,386 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 02:49:40,386 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-29 02:49:40,387 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946126647] [2021-10-29 02:49:40,387 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-29 02:49:40,387 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-29 02:49:40,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-29 02:49:40,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-29 02:49:40,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-29 02:49:40,388 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-29 02:49:40,389 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 6 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 02:49:40,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-10-29 02:49:40,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-10-29 02:49:40,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-29 02:49:40,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-10-29 02:49:40,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-10-29 02:49:40,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-29 02:49:40,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-10-29 02:49:40,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-29 02:49:40,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-29 02:49:40,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-29 02:49:40,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-29 02:49:40,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-29 02:49:40,510 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-29 02:49:40,510 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr1ASSERT_VIOLATIONERROR_FUNCTION, t_funErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 02:49:40,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 02:49:40,511 INFO L85 PathProgramCache]: Analyzing trace with hash 873560221, now seen corresponding path program 1 times [2021-10-29 02:49:40,511 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 02:49:40,511 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460095022] [2021-10-29 02:49:40,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 02:49:40,512 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:49:40,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:49:40,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 02:49:40,617 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-29 02:49:40,618 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1460095022] [2021-10-29 02:49:40,622 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1460095022] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 02:49:40,623 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 02:49:40,623 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-10-29 02:49:40,623 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500832759] [2021-10-29 02:49:40,624 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-29 02:49:40,624 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-29 02:49:40,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-29 02:49:40,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-10-29 02:49:40,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-29 02:49:40,625 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-29 02:49:40,625 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.875) internal successors, (71), 8 states have internal predecessors, (71), 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) [2021-10-29 02:49:40,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-10-29 02:49:40,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-10-29 02:49:40,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-29 02:49:40,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-10-29 02:49:40,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-10-29 02:49:40,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-29 02:49:40,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-29 02:49:40,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-10-29 02:49:40,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-29 02:49:40,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-29 02:49:40,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-29 02:49:40,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-29 02:49:40,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-29 02:49:40,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-29 02:49:40,750 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-29 02:49:40,750 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr1ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr1ASSERT_VIOLATIONERROR_FUNCTION, t_funErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 02:49:40,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 02:49:40,751 INFO L85 PathProgramCache]: Analyzing trace with hash 1187924162, now seen corresponding path program 1 times [2021-10-29 02:49:40,751 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 02:49:40,752 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997287762] [2021-10-29 02:49:40,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 02:49:40,753 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:49:40,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:49:40,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 02:49:40,908 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-29 02:49:40,908 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1997287762] [2021-10-29 02:49:40,908 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1997287762] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 02:49:40,908 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 02:49:40,909 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-29 02:49:40,909 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957120858] [2021-10-29 02:49:40,910 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-29 02:49:40,910 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-29 02:49:40,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-29 02:49:40,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-29 02:49:40,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-29 02:49:40,912 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-29 02:49:40,912 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 6 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 02:49:40,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-10-29 02:49:40,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-10-29 02:49:40,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-29 02:49:40,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-10-29 02:49:40,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-10-29 02:49:40,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-29 02:49:40,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-29 02:49:40,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-29 02:49:41,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-10-29 02:49:41,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-29 02:49:41,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-29 02:49:41,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-29 02:49:41,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-29 02:49:41,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-29 02:49:41,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-29 02:49:41,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-29 02:49:41,048 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-29 02:49:41,048 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr1ASSERT_VIOLATIONERROR_FUNCTION, t_funErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 02:49:41,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 02:49:41,049 INFO L85 PathProgramCache]: Analyzing trace with hash -115646479, now seen corresponding path program 1 times [2021-10-29 02:49:41,051 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 02:49:41,051 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [890987150] [2021-10-29 02:49:41,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 02:49:41,051 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:49:41,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:49:41,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 02:49:41,145 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-29 02:49:41,145 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [890987150] [2021-10-29 02:49:41,145 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [890987150] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 02:49:41,146 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 02:49:41,146 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-10-29 02:49:41,146 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536642839] [2021-10-29 02:49:41,147 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-29 02:49:41,147 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-29 02:49:41,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-29 02:49:41,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-10-29 02:49:41,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-29 02:49:41,149 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-29 02:49:41,150 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.375) internal successors, (75), 8 states have internal predecessors, (75), 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) [2021-10-29 02:49:41,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-10-29 02:49:41,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-10-29 02:49:41,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-29 02:49:41,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-10-29 02:49:41,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-10-29 02:49:41,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-29 02:49:41,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-10-29 02:49:41,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-29 02:49:41,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-29 02:49:41,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-10-29 02:49:41,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-29 02:49:41,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-29 02:49:41,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-29 02:49:41,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-29 02:49:41,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-29 02:49:41,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-29 02:49:41,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-29 02:49:41,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-29 02:49:41,270 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-29 02:49:41,270 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting t_funErr1ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr1ASSERT_VIOLATIONERROR_FUNCTION, t_funErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 02:49:41,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 02:49:41,271 INFO L85 PathProgramCache]: Analyzing trace with hash 2060307978, now seen corresponding path program 1 times [2021-10-29 02:49:41,271 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 02:49:41,271 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2008135576] [2021-10-29 02:49:41,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 02:49:41,271 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:49:41,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:49:41,384 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 02:49:41,385 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-29 02:49:41,385 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2008135576] [2021-10-29 02:49:41,385 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2008135576] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 02:49:41,385 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 02:49:41,385 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-10-29 02:49:41,386 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1349440316] [2021-10-29 02:49:41,386 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-29 02:49:41,386 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-29 02:49:41,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-29 02:49:41,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-10-29 02:49:41,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-29 02:49:41,389 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-29 02:49:41,389 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.25) internal successors, (82), 8 states have internal predecessors, (82), 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) [2021-10-29 02:49:41,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-10-29 02:49:41,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-10-29 02:49:41,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-29 02:49:41,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-10-29 02:49:41,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-10-29 02:49:41,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-29 02:49:41,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-10-29 02:49:41,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-29 02:49:41,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-29 02:49:41,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-29 02:49:41,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-10-29 02:49:41,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-29 02:49:41,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-29 02:49:41,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-29 02:49:41,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-29 02:49:41,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-29 02:49:41,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-29 02:49:41,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-29 02:49:41,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-29 02:49:41,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-29 02:49:41,629 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-29 02:49:41,629 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting t_funErr2ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr1ASSERT_VIOLATIONERROR_FUNCTION, t_funErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 02:49:41,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 02:49:41,630 INFO L85 PathProgramCache]: Analyzing trace with hash 2094952748, now seen corresponding path program 2 times [2021-10-29 02:49:41,630 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 02:49:41,630 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1060622828] [2021-10-29 02:49:41,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 02:49:41,630 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:49:41,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:49:41,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 02:49:41,889 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-29 02:49:41,889 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1060622828] [2021-10-29 02:49:41,889 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1060622828] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 02:49:41,889 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 02:49:41,890 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-10-29 02:49:41,890 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [677218662] [2021-10-29 02:49:41,890 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-29 02:49:41,890 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-29 02:49:41,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-29 02:49:41,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-10-29 02:49:41,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-29 02:49:41,891 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-29 02:49:41,891 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.5) internal successors, (92), 8 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 02:49:41,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-10-29 02:49:41,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-10-29 02:49:41,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-29 02:49:41,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-10-29 02:49:41,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-10-29 02:49:41,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-29 02:49:41,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-10-29 02:49:41,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-29 02:49:41,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-29 02:49:41,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-29 02:49:41,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-29 02:49:42,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-10-29 02:49:42,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-29 02:49:42,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-29 02:49:42,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-29 02:49:42,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-29 02:49:42,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-29 02:49:42,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-29 02:49:42,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-29 02:49:42,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-29 02:49:42,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-29 02:49:42,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-29 02:49:42,124 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 02:49:42,125 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 02:49:42,125 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 02:49:42,125 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-29 02:49:42,133 INFO L731 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 02:49:42,134 INFO L308 ceAbstractionStarter]: Result for error location t_funThread1of1ForFork0 was SAFE,SAFE,SAFE (1/2) [2021-10-29 02:49:42,136 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-10-29 02:49:42,137 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca8edc8-b165-471a-92f8-5a6d054270ee/bin/ugemcutter-riF8PgGdml/z3 [2021-10-29 02:49:42,141 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca8edc8-b165-471a-92f8-5a6d054270ee/bin/ugemcutter-riF8PgGdml/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-10-29 02:49:42,149 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca8edc8-b165-471a-92f8-5a6d054270ee/bin/ugemcutter-riF8PgGdml/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2021-10-29 02:49:42,150 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-10-29 02:49:42,152 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 [2021-10-29 02:49:42,153 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-29 02:49:42,162 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-29 02:49:42,163 INFO L731 BasicCegarLoop]: Path program histogram: [] [2021-10-29 02:49:42,164 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE (2/2) [2021-10-29 02:49:42,164 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-29 02:49:42,164 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-29 02:49:42,167 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 02:49:42 BasicIcfg [2021-10-29 02:49:42,167 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-29 02:49:42,167 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 02:49:42,167 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 02:49:42,168 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 02:49:42,168 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 02:49:37" (3/4) ... [2021-10-29 02:49:42,171 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 02:49:42,178 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2021-10-29 02:49:42,182 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-10-29 02:49:42,183 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-29 02:49:42,183 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 02:49:42,183 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 02:49:42,217 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca8edc8-b165-471a-92f8-5a6d054270ee/bin/ugemcutter-riF8PgGdml/witness.graphml [2021-10-29 02:49:42,217 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 02:49:42,219 INFO L168 Benchmark]: Toolchain (without parser) took 6413.50 ms. Allocated memory was 96.5 MB in the beginning and 144.7 MB in the end (delta: 48.2 MB). Free memory was 54.6 MB in the beginning and 54.2 MB in the end (delta: 383.7 kB). Peak memory consumption was 47.9 MB. Max. memory is 16.1 GB. [2021-10-29 02:49:42,219 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 96.5 MB. Free memory is still 72.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 02:49:42,219 INFO L168 Benchmark]: CACSL2BoogieTranslator took 644.13 ms. Allocated memory is still 96.5 MB. Free memory was 54.4 MB in the beginning and 63.4 MB in the end (delta: -9.0 MB). Peak memory consumption was 4.4 MB. Max. memory is 16.1 GB. [2021-10-29 02:49:42,220 INFO L168 Benchmark]: Boogie Procedure Inliner took 86.48 ms. Allocated memory is still 96.5 MB. Free memory was 63.1 MB in the beginning and 61.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 02:49:42,220 INFO L168 Benchmark]: Boogie Preprocessor took 54.44 ms. Allocated memory is still 96.5 MB. Free memory was 61.0 MB in the beginning and 59.7 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 02:49:42,221 INFO L168 Benchmark]: RCFGBuilder took 521.77 ms. Allocated memory is still 96.5 MB. Free memory was 59.7 MB in the beginning and 46.4 MB in the end (delta: 13.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-29 02:49:42,221 INFO L168 Benchmark]: TraceAbstraction took 5048.77 ms. Allocated memory was 96.5 MB in the beginning and 144.7 MB in the end (delta: 48.2 MB). Free memory was 45.7 MB in the beginning and 57.4 MB in the end (delta: -11.7 MB). Peak memory consumption was 37.1 MB. Max. memory is 16.1 GB. [2021-10-29 02:49:42,221 INFO L168 Benchmark]: Witness Printer took 50.14 ms. Allocated memory is still 144.7 MB. Free memory was 57.4 MB in the beginning and 54.2 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-29 02:49:42,223 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 96.5 MB. Free memory is still 72.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 644.13 ms. Allocated memory is still 96.5 MB. Free memory was 54.4 MB in the beginning and 63.4 MB in the end (delta: -9.0 MB). Peak memory consumption was 4.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 86.48 ms. Allocated memory is still 96.5 MB. Free memory was 63.1 MB in the beginning and 61.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 54.44 ms. Allocated memory is still 96.5 MB. Free memory was 61.0 MB in the beginning and 59.7 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 521.77 ms. Allocated memory is still 96.5 MB. Free memory was 59.7 MB in the beginning and 46.4 MB in the end (delta: 13.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 5048.77 ms. Allocated memory was 96.5 MB in the beginning and 144.7 MB in the end (delta: 48.2 MB). Free memory was 45.7 MB in the beginning and 57.4 MB in the end (delta: -11.7 MB). Peak memory consumption was 37.1 MB. Max. memory is 16.1 GB. * Witness Printer took 50.14 ms. Allocated memory is still 144.7 MB. Free memory was 57.4 MB in the beginning and 54.2 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2688, positive: 2541, positive conditional: 893, positive unconditional: 1648, negative: 147, negative conditional: 98, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2652, positive: 2541, positive conditional: 893, positive unconditional: 1648, negative: 111, negative conditional: 62, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2652, positive: 2541, positive conditional: 893, positive unconditional: 1648, negative: 111, negative conditional: 62, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2965, positive: 2541, positive conditional: 868, positive unconditional: 1673, negative: 424, negative conditional: 313, negative unconditional: 111, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2965, positive: 2541, positive conditional: 492, positive unconditional: 2049, negative: 424, negative conditional: 96, negative unconditional: 328, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2965, positive: 2541, positive conditional: 492, positive unconditional: 2049, negative: 424, negative conditional: 96, negative unconditional: 328, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1730, positive: 1654, positive conditional: 6, positive unconditional: 1648, negative: 76, negative conditional: 27, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1730, positive: 1609, positive conditional: 0, positive unconditional: 1609, negative: 121, negative conditional: 0, negative unconditional: 121, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 121, positive: 45, positive conditional: 6, positive unconditional: 39, negative: 76, negative conditional: 27, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 345, positive: 179, positive conditional: 20, positive unconditional: 159, negative: 166, negative conditional: 52, negative unconditional: 114, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2965, positive: 887, positive conditional: 486, positive unconditional: 401, negative: 348, negative conditional: 69, negative unconditional: 279, unknown: 1730, unknown conditional: 33, unknown unconditional: 1697] , Statistics on independence cache: Total cache size (in pairs): 1730, Positive cache size: 1654, Positive conditional cache size: 6, Positive unconditional cache size: 1648, Negative cache size: 76, Negative conditional cache size: 27, Negative unconditional cache size: 49, Eliminated conditions: 593, Maximal queried relation: 11, Independence queries for same thread: 36 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 382, Number of persistent set computation: 291, Number of trivial persistent sets: 161, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1697, positive: 1648, positive conditional: 0, positive unconditional: 1648, negative: 49, negative conditional: 0, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2688, positive: 2541, positive conditional: 893, positive unconditional: 1648, negative: 147, negative conditional: 98, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2652, positive: 2541, positive conditional: 893, positive unconditional: 1648, negative: 111, negative conditional: 62, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2652, positive: 2541, positive conditional: 893, positive unconditional: 1648, negative: 111, negative conditional: 62, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2965, positive: 2541, positive conditional: 868, positive unconditional: 1673, negative: 424, negative conditional: 313, negative unconditional: 111, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2965, positive: 2541, positive conditional: 492, positive unconditional: 2049, negative: 424, negative conditional: 96, negative unconditional: 328, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2965, positive: 2541, positive conditional: 492, positive unconditional: 2049, negative: 424, negative conditional: 96, negative unconditional: 328, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1730, positive: 1654, positive conditional: 6, positive unconditional: 1648, negative: 76, negative conditional: 27, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1730, positive: 1609, positive conditional: 0, positive unconditional: 1609, negative: 121, negative conditional: 0, negative unconditional: 121, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 121, positive: 45, positive conditional: 6, positive unconditional: 39, negative: 76, negative conditional: 27, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 345, positive: 179, positive conditional: 20, positive unconditional: 159, negative: 166, negative conditional: 52, negative unconditional: 114, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2965, positive: 887, positive conditional: 486, positive unconditional: 401, negative: 348, negative conditional: 69, negative unconditional: 279, unknown: 1730, unknown conditional: 33, unknown unconditional: 1697] , Statistics on independence cache: Total cache size (in pairs): 1730, Positive cache size: 1654, Positive conditional cache size: 6, Positive unconditional cache size: 1648, Negative cache size: 76, Negative conditional cache size: 27, Negative unconditional cache size: 49, Eliminated conditions: 593, Maximal queried relation: 11, Independence queries for same thread: 36 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 0, Number of persistent set computation: 39, Number of trivial persistent sets: 39, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 13]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 13]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 13]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: t_funThread1of1ForFork0 with 1 thread instances CFG has 3 procedures, 161 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 4.8s, OverallIterations: 11, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 2.4s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 126, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 842 NumberOfCodeBlocks, 842 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 831 ConstructedInterpolants, 0 QuantifiedInterpolants, 3559 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 3 procedures, 161 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 0.0s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2021-10-29 02:49:42,270 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca8edc8-b165-471a-92f8-5a6d054270ee/bin/ugemcutter-riF8PgGdml/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Forceful destruction successful, exit code 0 [2021-10-29 02:49:42,482 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca8edc8-b165-471a-92f8-5a6d054270ee/bin/ugemcutter-riF8PgGdml/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2021-10-29 02:49:42,684 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca8edc8-b165-471a-92f8-5a6d054270ee/bin/ugemcutter-riF8PgGdml/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...