./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/popl20-bad-counter-queue.wvr.c --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_93319cef-b66f-4b11-987b-5a4646d57d36/bin/ugemcutter-riF8PgGdml/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93319cef-b66f-4b11-987b-5a4646d57d36/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_93319cef-b66f-4b11-987b-5a4646d57d36/bin/ugemcutter-riF8PgGdml/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93319cef-b66f-4b11-987b-5a4646d57d36/bin/ugemcutter-riF8PgGdml/config/GemCutterReach.xml -i ../../sv-benchmarks/c/weaver/popl20-bad-counter-queue.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93319cef-b66f-4b11-987b-5a4646d57d36/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_93319cef-b66f-4b11-987b-5a4646d57d36/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 c642b478618f67be61772197bb614a61e988cb880f57faee5dd0470714f61e7e .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 02:49:35,794 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 02:49:35,797 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 02:49:35,831 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 02:49:35,832 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 02:49:35,833 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 02:49:35,837 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 02:49:35,840 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 02:49:35,843 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 02:49:35,844 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 02:49:35,845 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 02:49:35,847 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 02:49:35,847 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 02:49:35,849 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 02:49:35,851 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 02:49:35,852 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 02:49:35,854 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 02:49:35,855 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 02:49:35,858 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 02:49:35,860 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 02:49:35,863 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 02:49:35,864 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 02:49:35,866 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 02:49:35,867 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 02:49:35,871 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 02:49:35,872 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 02:49:35,872 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 02:49:35,874 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 02:49:35,874 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 02:49:35,876 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 02:49:35,876 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 02:49:35,877 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 02:49:35,879 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 02:49:35,880 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 02:49:35,881 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 02:49:35,882 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 02:49:35,883 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 02:49:35,883 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 02:49:35,884 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 02:49:35,885 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 02:49:35,886 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 02:49:35,887 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93319cef-b66f-4b11-987b-5a4646d57d36/bin/ugemcutter-riF8PgGdml/config/svcomp-Reach-32bit-GemCutter_Default.epf [2021-10-29 02:49:35,914 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 02:49:35,915 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 02:49:35,915 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-29 02:49:35,916 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-29 02:49:35,917 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 02:49:35,917 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 02:49:35,918 INFO L138 SettingsManager]: * Use SBE=true [2021-10-29 02:49:35,918 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 02:49:35,918 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 02:49:35,918 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 02:49:35,918 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 02:49:35,919 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 02:49:35,919 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 02:49:35,919 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 02:49:35,919 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 02:49:35,919 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 02:49:35,920 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 02:49:35,920 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 02:49:35,920 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 02:49:35,920 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 02:49:35,921 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-29 02:49:35,921 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-10-29 02:49:35,921 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 02:49:35,921 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 02:49:35,921 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 02:49:35,922 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 02:49:35,922 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 02:49:35,922 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-29 02:49:35,922 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 02:49:35,923 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-29 02:49:35,923 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-10-29 02:49:35,923 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 02:49:35,923 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-10-29 02:49:35,923 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-10-29 02:49:35,924 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_93319cef-b66f-4b11-987b-5a4646d57d36/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93319cef-b66f-4b11-987b-5a4646d57d36/bin/ugemcutter-riF8PgGdml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c642b478618f67be61772197bb614a61e988cb880f57faee5dd0470714f61e7e [2021-10-29 02:49:36,168 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 02:49:36,198 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 02:49:36,201 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 02:49:36,202 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 02:49:36,203 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 02:49:36,205 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93319cef-b66f-4b11-987b-5a4646d57d36/bin/ugemcutter-riF8PgGdml/../../sv-benchmarks/c/weaver/popl20-bad-counter-queue.wvr.c [2021-10-29 02:49:36,290 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93319cef-b66f-4b11-987b-5a4646d57d36/bin/ugemcutter-riF8PgGdml/data/50cfc7ebf/4a42033bc28b435e8334040e0891a668/FLAG92355333c [2021-10-29 02:49:36,765 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 02:49:36,767 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93319cef-b66f-4b11-987b-5a4646d57d36/sv-benchmarks/c/weaver/popl20-bad-counter-queue.wvr.c [2021-10-29 02:49:36,786 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93319cef-b66f-4b11-987b-5a4646d57d36/bin/ugemcutter-riF8PgGdml/data/50cfc7ebf/4a42033bc28b435e8334040e0891a668/FLAG92355333c [2021-10-29 02:49:37,117 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93319cef-b66f-4b11-987b-5a4646d57d36/bin/ugemcutter-riF8PgGdml/data/50cfc7ebf/4a42033bc28b435e8334040e0891a668 [2021-10-29 02:49:37,121 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 02:49:37,122 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 02:49:37,124 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 02:49:37,124 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 02:49:37,127 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 02:49:37,128 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 02:49:37" (1/1) ... [2021-10-29 02:49:37,129 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@508755c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:49:37, skipping insertion in model container [2021-10-29 02:49:37,130 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 02:49:37" (1/1) ... [2021-10-29 02:49:37,136 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 02:49:37,155 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 02:49:37,344 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_93319cef-b66f-4b11-987b-5a4646d57d36/sv-benchmarks/c/weaver/popl20-bad-counter-queue.wvr.c[2428,2441] [2021-10-29 02:49:37,355 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 02:49:37,364 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 02:49:37,383 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_93319cef-b66f-4b11-987b-5a4646d57d36/sv-benchmarks/c/weaver/popl20-bad-counter-queue.wvr.c[2428,2441] [2021-10-29 02:49:37,390 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 02:49:37,404 INFO L208 MainTranslator]: Completed translation [2021-10-29 02:49:37,404 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:49:37 WrapperNode [2021-10-29 02:49:37,405 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 02:49:37,406 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 02:49:37,406 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 02:49:37,406 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 02:49:37,414 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:49:37" (1/1) ... [2021-10-29 02:49:37,423 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:49:37" (1/1) ... [2021-10-29 02:49:37,451 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 02:49:37,452 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 02:49:37,452 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 02:49:37,452 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 02:49:37,461 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:49:37" (1/1) ... [2021-10-29 02:49:37,461 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:49:37" (1/1) ... [2021-10-29 02:49:37,464 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:49:37" (1/1) ... [2021-10-29 02:49:37,465 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:49:37" (1/1) ... [2021-10-29 02:49:37,473 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:49:37" (1/1) ... [2021-10-29 02:49:37,478 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:49:37" (1/1) ... [2021-10-29 02:49:37,480 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:49:37" (1/1) ... [2021-10-29 02:49:37,484 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 02:49:37,485 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 02:49:37,485 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 02:49:37,485 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 02:49:37,486 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:49:37" (1/1) ... [2021-10-29 02:49:37,494 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 02:49:37,509 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93319cef-b66f-4b11-987b-5a4646d57d36/bin/ugemcutter-riF8PgGdml/z3 [2021-10-29 02:49:37,526 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93319cef-b66f-4b11-987b-5a4646d57d36/bin/ugemcutter-riF8PgGdml/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-29 02:49:37,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93319cef-b66f-4b11-987b-5a4646d57d36/bin/ugemcutter-riF8PgGdml/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-29 02:49:37,572 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 02:49:37,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-29 02:49:37,572 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-29 02:49:37,573 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-10-29 02:49:37,573 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-10-29 02:49:37,573 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-10-29 02:49:37,573 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-10-29 02:49:37,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 02:49:37,575 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-10-29 02:49:37,575 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-10-29 02:49:37,576 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-29 02:49:37,576 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 02:49:37,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 02:49:37,576 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-29 02:49:37,578 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 02:49:38,305 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 02:49:38,305 INFO L299 CfgBuilder]: Removed 27 assume(true) statements. [2021-10-29 02:49:38,307 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 02:49:38 BoogieIcfgContainer [2021-10-29 02:49:38,308 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 02:49:38,329 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-29 02:49:38,329 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-29 02:49:38,333 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-29 02:49:38,333 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 02:49:37" (1/3) ... [2021-10-29 02:49:38,334 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76ec6876 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 02:49:38, skipping insertion in model container [2021-10-29 02:49:38,334 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:49:37" (2/3) ... [2021-10-29 02:49:38,335 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76ec6876 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 02:49:38, skipping insertion in model container [2021-10-29 02:49:38,335 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 02:49:38" (3/3) ... [2021-10-29 02:49:38,336 INFO L111 eAbstractionObserver]: Analyzing ICFG popl20-bad-counter-queue.wvr.c [2021-10-29 02:49:38,342 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-29 02:49:38,343 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-29 02:49:38,343 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-29 02:49:38,343 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-29 02:49:38,381 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,382 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,382 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,382 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,382 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,383 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,383 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,383 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,383 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,383 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,384 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,384 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,384 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,384 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,384 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,384 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,384 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,385 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,385 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,385 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,385 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,386 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,386 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,386 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,386 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,386 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,386 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,387 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,387 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,387 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,387 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,387 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,388 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,388 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,388 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,388 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,389 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,389 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,389 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,389 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,390 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,390 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,390 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,390 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,391 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,391 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,391 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,391 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,391 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,392 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,392 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,392 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,392 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,392 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,393 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,393 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,393 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,393 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,393 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,394 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,394 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~tmp~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,394 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,394 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,394 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,394 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,395 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,395 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,395 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,395 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,396 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,396 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,396 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~tmp~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,396 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,396 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,396 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,396 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,397 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~tmp~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,397 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~tmp~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,397 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,398 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,398 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,398 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,398 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,398 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,399 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,399 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,399 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,399 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,402 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,403 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,403 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,403 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,403 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,403 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,404 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,404 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,404 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,404 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,405 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,405 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,405 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,405 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,407 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,407 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,408 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,408 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,408 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~tmp~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,408 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,409 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,409 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,409 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,409 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,409 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,410 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,410 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,410 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,416 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-10-29 02:49:38,467 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-10-29 02:49:38,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93319cef-b66f-4b11-987b-5a4646d57d36/bin/ugemcutter-riF8PgGdml/z3 [2021-10-29 02:49:38,468 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93319cef-b66f-4b11-987b-5a4646d57d36/bin/ugemcutter-riF8PgGdml/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-10-29 02:49:38,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93319cef-b66f-4b11-987b-5a4646d57d36/bin/ugemcutter-riF8PgGdml/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-10-29 02:49:38,501 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-10-29 02:49:38,506 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 02:49:38,507 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-29 02:49:38,692 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-29 02:49:38,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 02:49:38,698 INFO L85 PathProgramCache]: Analyzing trace with hash 488296378, now seen corresponding path program 1 times [2021-10-29 02:49:38,710 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 02:49:38,711 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831671520] [2021-10-29 02:49:38,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 02:49:38,711 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:49:38,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:49:38,959 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 02:49:38,960 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-29 02:49:38,960 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [831671520] [2021-10-29 02:49:38,961 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [831671520] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 02:49:38,962 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 02:49:38,962 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-29 02:49:38,964 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [96566702] [2021-10-29 02:49:38,980 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-29 02:49:38,980 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-29 02:49:38,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-29 02:49:39,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-29 02:49:39,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-29 02:49:39,002 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-29 02:49:39,003 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 36.0) internal successors, (72), 2 states have internal predecessors, (72), 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 02:49:39,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-29 02:49:39,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-29 02:49:39,050 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-29 02:49:39,051 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-29 02:49:39,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 02:49:39,055 INFO L85 PathProgramCache]: Analyzing trace with hash 1132363045, now seen corresponding path program 1 times [2021-10-29 02:49:39,056 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 02:49:39,056 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1367807458] [2021-10-29 02:49:39,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 02:49:39,057 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:49:39,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:49:39,406 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 02:49:39,406 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-29 02:49:39,406 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1367807458] [2021-10-29 02:49:39,408 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1367807458] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 02:49:39,408 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 02:49:39,409 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-29 02:49:39,409 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1555096766] [2021-10-29 02:49:39,412 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-29 02:49:39,412 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-29 02:49:39,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-29 02:49:39,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-29 02:49:39,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-29 02:49:39,415 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-29 02:49:39,416 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 02:49:39,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-29 02:49:39,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-29 02:49:39,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-29 02:49:39,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-29 02:49:39,559 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-29 02:49:39,559 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-29 02:49:39,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 02:49:39,562 INFO L85 PathProgramCache]: Analyzing trace with hash 380902817, now seen corresponding path program 1 times [2021-10-29 02:49:39,563 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 02:49:39,564 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [282453886] [2021-10-29 02:49:39,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 02:49:39,565 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:49:39,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:49:39,741 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 02:49:39,742 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-29 02:49:39,742 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [282453886] [2021-10-29 02:49:39,742 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [282453886] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 02:49:39,742 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 02:49:39,742 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-29 02:49:39,743 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [439995292] [2021-10-29 02:49:39,743 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-29 02:49:39,743 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-29 02:49:39,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-29 02:49:39,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-10-29 02:49:39,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-29 02:49:39,745 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-29 02:49:39,745 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 7 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 02:49:39,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-29 02:49:39,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-29 02:49:39,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-29 02:49:39,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-29 02:49:39,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-29 02:49:39,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-29 02:49:39,853 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-29 02:49:39,853 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-29 02:49:39,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 02:49:39,854 INFO L85 PathProgramCache]: Analyzing trace with hash -1634984319, now seen corresponding path program 1 times [2021-10-29 02:49:39,854 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 02:49:39,854 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2106497621] [2021-10-29 02:49:39,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 02:49:39,855 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:49:39,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:49:39,958 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 02:49:39,958 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-29 02:49:39,958 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2106497621] [2021-10-29 02:49:39,958 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2106497621] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 02:49:39,959 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 02:49:39,959 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-29 02:49:39,959 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [37455569] [2021-10-29 02:49:39,960 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-29 02:49:39,960 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-29 02:49:39,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-29 02:49:39,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-10-29 02:49:39,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-29 02:49:39,961 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-29 02:49:39,961 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 7 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 02:49:39,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-29 02:49:39,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-29 02:49:39,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-29 02:49:39,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-29 02:49:40,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-29 02:49:40,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-29 02:49:40,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-29 02:49:40,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-29 02:49:40,110 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-29 02:49:40,110 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-29 02:49:40,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 02:49:40,110 INFO L85 PathProgramCache]: Analyzing trace with hash -1128487446, now seen corresponding path program 1 times [2021-10-29 02:49:40,111 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 02:49:40,111 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [823983107] [2021-10-29 02:49:40,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 02:49:40,112 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:49:40,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:49:40,270 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-29 02:49:40,270 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-29 02:49:40,270 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [823983107] [2021-10-29 02:49:40,270 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [823983107] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-29 02:49:40,271 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1586697013] [2021-10-29 02:49:40,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 02:49:40,271 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-29 02:49:40,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93319cef-b66f-4b11-987b-5a4646d57d36/bin/ugemcutter-riF8PgGdml/z3 [2021-10-29 02:49:40,273 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93319cef-b66f-4b11-987b-5a4646d57d36/bin/ugemcutter-riF8PgGdml/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-29 02:49:40,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93319cef-b66f-4b11-987b-5a4646d57d36/bin/ugemcutter-riF8PgGdml/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-10-29 02:49:40,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:49:40,403 INFO L263 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-29 02:49:40,413 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 02:49:40,834 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-29 02:49:40,834 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1586697013] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-29 02:49:40,835 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-29 02:49:40,835 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 10 [2021-10-29 02:49:40,835 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015607559] [2021-10-29 02:49:40,837 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-10-29 02:49:40,837 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-29 02:49:40,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-29 02:49:40,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2021-10-29 02:49:40,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-29 02:49:40,839 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-29 02:49:40,840 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.0) internal successors, (90), 10 states have internal predecessors, (90), 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 02:49:40,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-29 02:49:40,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-29 02:49:40,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-29 02:49:40,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-29 02:49:40,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-29 02:49:40,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-29 02:49:40,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-29 02:49:40,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-29 02:49:40,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-29 02:49:40,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-29 02:49:41,018 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93319cef-b66f-4b11-987b-5a4646d57d36/bin/ugemcutter-riF8PgGdml/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-10-29 02:49:41,197 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93319cef-b66f-4b11-987b-5a4646d57d36/bin/ugemcutter-riF8PgGdml/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-29 02:49:41,197 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-29 02:49:41,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 02:49:41,198 INFO L85 PathProgramCache]: Analyzing trace with hash 1150592714, now seen corresponding path program 1 times [2021-10-29 02:49:41,198 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 02:49:41,198 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [911903214] [2021-10-29 02:49:41,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 02:49:41,199 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:49:41,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:49:41,311 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-29 02:49:41,311 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-29 02:49:41,312 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [911903214] [2021-10-29 02:49:41,312 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [911903214] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-29 02:49:41,312 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [789584424] [2021-10-29 02:49:41,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 02:49:41,313 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-29 02:49:41,313 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93319cef-b66f-4b11-987b-5a4646d57d36/bin/ugemcutter-riF8PgGdml/z3 [2021-10-29 02:49:41,318 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93319cef-b66f-4b11-987b-5a4646d57d36/bin/ugemcutter-riF8PgGdml/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-29 02:49:41,337 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93319cef-b66f-4b11-987b-5a4646d57d36/bin/ugemcutter-riF8PgGdml/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-10-29 02:49:41,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:49:41,433 INFO L263 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-29 02:49:41,437 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 02:49:41,705 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-29 02:49:41,705 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [789584424] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-29 02:49:41,705 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-29 02:49:41,705 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 10 [2021-10-29 02:49:41,706 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2045776358] [2021-10-29 02:49:41,711 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-10-29 02:49:41,711 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-29 02:49:41,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-29 02:49:41,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2021-10-29 02:49:41,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-29 02:49:41,713 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-29 02:49:41,714 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.0) internal successors, (90), 10 states have internal predecessors, (90), 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 02:49:41,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-29 02:49:41,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-29 02:49:41,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-29 02:49:41,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-29 02:49:41,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-29 02:49:41,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-29 02:49:41,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-29 02:49:41,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-29 02:49:41,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-29 02:49:41,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-29 02:49:41,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-29 02:49:41,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-29 02:49:41,875 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93319cef-b66f-4b11-987b-5a4646d57d36/bin/ugemcutter-riF8PgGdml/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-10-29 02:49:42,060 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93319cef-b66f-4b11-987b-5a4646d57d36/bin/ugemcutter-riF8PgGdml/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-10-29 02:49:42,060 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-29 02:49:42,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 02:49:42,061 INFO L85 PathProgramCache]: Analyzing trace with hash 1730918278, now seen corresponding path program 1 times [2021-10-29 02:49:42,061 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 02:49:42,061 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [522672205] [2021-10-29 02:49:42,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 02:49:42,062 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:49:42,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:49:42,276 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 02:49:42,276 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-29 02:49:42,277 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [522672205] [2021-10-29 02:49:42,277 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [522672205] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 02:49:42,277 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 02:49:42,277 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-10-29 02:49:42,277 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [738431726] [2021-10-29 02:49:42,278 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-10-29 02:49:42,278 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-29 02:49:42,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-29 02:49:42,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-10-29 02:49:42,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-29 02:49:42,279 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-29 02:49:42,279 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.777777777777779) internal successors, (88), 9 states have internal predecessors, (88), 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 02:49:42,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-29 02:49:42,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-29 02:49:42,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-29 02:49:42,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-29 02:49:42,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-29 02:49:42,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-29 02:49:42,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-29 02:49:42,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-29 02:49:42,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-29 02:49:42,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-29 02:49:42,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-29 02:49:42,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-29 02:49:42,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-29 02:49:42,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-29 02:49:42,498 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 02:49:42,499 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-29 02:49:42,499 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION [2021-10-29 02:49:42,499 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-29 02:49:42,516 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2021-10-29 02:49:42,519 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-29 02:49:42,519 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-29 02:49:42,521 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 02:49:42 BasicIcfg [2021-10-29 02:49:42,522 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-29 02:49:42,523 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 02:49:42,523 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 02:49:42,523 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 02:49:42,523 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 02:49:38" (3/4) ... [2021-10-29 02:49:42,526 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 02:49:42,534 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2021-10-29 02:49:42,534 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2021-10-29 02:49:42,541 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2021-10-29 02:49:42,541 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-29 02:49:42,541 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 02:49:42,542 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 02:49:42,589 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93319cef-b66f-4b11-987b-5a4646d57d36/bin/ugemcutter-riF8PgGdml/witness.graphml [2021-10-29 02:49:42,589 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 02:49:42,591 INFO L168 Benchmark]: Toolchain (without parser) took 5467.90 ms. Allocated memory was 90.2 MB in the beginning and 132.1 MB in the end (delta: 41.9 MB). Free memory was 55.5 MB in the beginning and 93.6 MB in the end (delta: -38.1 MB). Peak memory consumption was 3.0 MB. Max. memory is 16.1 GB. [2021-10-29 02:49:42,592 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 90.2 MB. Free memory was 60.2 MB in the beginning and 60.1 MB in the end (delta: 27.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 02:49:42,592 INFO L168 Benchmark]: CACSL2BoogieTranslator took 281.31 ms. Allocated memory is still 90.2 MB. Free memory was 55.4 MB in the beginning and 65.0 MB in the end (delta: -9.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 02:49:42,593 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.45 ms. Allocated memory is still 90.2 MB. Free memory was 65.0 MB in the beginning and 62.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 02:49:42,593 INFO L168 Benchmark]: Boogie Preprocessor took 31.97 ms. Allocated memory is still 90.2 MB. Free memory was 62.9 MB in the beginning and 61.4 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 02:49:42,594 INFO L168 Benchmark]: RCFGBuilder took 842.02 ms. Allocated memory was 90.2 MB in the beginning and 109.1 MB in the end (delta: 18.9 MB). Free memory was 61.4 MB in the beginning and 86.2 MB in the end (delta: -24.8 MB). Peak memory consumption was 27.9 MB. Max. memory is 16.1 GB. [2021-10-29 02:49:42,594 INFO L168 Benchmark]: TraceAbstraction took 4193.08 ms. Allocated memory was 109.1 MB in the beginning and 132.1 MB in the end (delta: 23.1 MB). Free memory was 85.7 MB in the beginning and 96.8 MB in the end (delta: -11.0 MB). Peak memory consumption was 11.5 MB. Max. memory is 16.1 GB. [2021-10-29 02:49:42,595 INFO L168 Benchmark]: Witness Printer took 66.95 ms. Allocated memory is still 132.1 MB. Free memory was 96.8 MB in the beginning and 93.6 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 02:49:42,597 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 90.2 MB. Free memory was 60.2 MB in the beginning and 60.1 MB in the end (delta: 27.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 281.31 ms. Allocated memory is still 90.2 MB. Free memory was 55.4 MB in the beginning and 65.0 MB in the end (delta: -9.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 45.45 ms. Allocated memory is still 90.2 MB. Free memory was 65.0 MB in the beginning and 62.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 31.97 ms. Allocated memory is still 90.2 MB. Free memory was 62.9 MB in the beginning and 61.4 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 842.02 ms. Allocated memory was 90.2 MB in the beginning and 109.1 MB in the end (delta: 18.9 MB). Free memory was 61.4 MB in the beginning and 86.2 MB in the end (delta: -24.8 MB). Peak memory consumption was 27.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 4193.08 ms. Allocated memory was 109.1 MB in the beginning and 132.1 MB in the end (delta: 23.1 MB). Free memory was 85.7 MB in the beginning and 96.8 MB in the end (delta: -11.0 MB). Peak memory consumption was 11.5 MB. Max. memory is 16.1 GB. * Witness Printer took 66.95 ms. Allocated memory is still 132.1 MB. Free memory was 96.8 MB in the beginning and 93.6 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 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: 885, positive: 745, positive conditional: 297, positive unconditional: 448, negative: 140, negative conditional: 135, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 750, positive: 745, positive conditional: 297, positive unconditional: 448, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 750, positive: 745, positive conditional: 297, positive unconditional: 448, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 750, positive: 745, positive conditional: 235, positive unconditional: 510, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 750, positive: 745, positive conditional: 45, positive unconditional: 700, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 750, positive: 745, positive conditional: 45, positive unconditional: 700, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 445, positive: 440, positive conditional: 1, positive unconditional: 439, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 445, positive: 440, positive conditional: 0, positive unconditional: 440, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 5, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 78, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 78, negative conditional: 0, negative unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 750, positive: 305, positive conditional: 44, positive unconditional: 261, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 445, unknown conditional: 1, unknown unconditional: 444] , Statistics on independence cache: Total cache size (in pairs): 445, Positive cache size: 440, Positive conditional cache size: 1, Positive unconditional cache size: 439, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 190, Maximal queried relation: 0, Independence queries for same thread: 135 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 127, Number of persistent set computation: 90, Number of trivial persistent sets: 65, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 453, positive: 448, positive conditional: 0, positive unconditional: 448, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 885, positive: 745, positive conditional: 297, positive unconditional: 448, negative: 140, negative conditional: 135, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 750, positive: 745, positive conditional: 297, positive unconditional: 448, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 750, positive: 745, positive conditional: 297, positive unconditional: 448, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 750, positive: 745, positive conditional: 235, positive unconditional: 510, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 750, positive: 745, positive conditional: 45, positive unconditional: 700, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 750, positive: 745, positive conditional: 45, positive unconditional: 700, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 445, positive: 440, positive conditional: 1, positive unconditional: 439, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 445, positive: 440, positive conditional: 0, positive unconditional: 440, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 5, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 78, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 78, negative conditional: 0, negative unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 750, positive: 305, positive conditional: 44, positive unconditional: 261, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 445, unknown conditional: 1, unknown unconditional: 444] , Statistics on independence cache: Total cache size (in pairs): 445, Positive cache size: 440, Positive conditional cache size: 1, Positive unconditional cache size: 439, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 190, Maximal queried relation: 0, Independence queries for same thread: 135 - 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: 87]: 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: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 121 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 4.0s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 1.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 51, 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, 0.4s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 707 NumberOfCodeBlocks, 707 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 698 ConstructedInterpolants, 0 QuantifiedInterpolants, 1628 SizeOfPredicates, 10 NumberOfNonLiveVariables, 414 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 9 InterpolantComputations, 5 PerfectInterpolantSequences, 9/13 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2021-10-29 02:49:42,650 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93319cef-b66f-4b11-987b-5a4646d57d36/bin/ugemcutter-riF8PgGdml/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2021-10-29 02:49:42,852 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93319cef-b66f-4b11-987b-5a4646d57d36/bin/ugemcutter-riF8PgGdml/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...