./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/popl20-min-max-inc.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_0f84a1c7-4c61-4d2a-846f-a5dbb59cdfcd/bin/ugemcutter-riF8PgGdml/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f84a1c7-4c61-4d2a-846f-a5dbb59cdfcd/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_0f84a1c7-4c61-4d2a-846f-a5dbb59cdfcd/bin/ugemcutter-riF8PgGdml/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f84a1c7-4c61-4d2a-846f-a5dbb59cdfcd/bin/ugemcutter-riF8PgGdml/config/GemCutterReach.xml -i ../../sv-benchmarks/c/weaver/popl20-min-max-inc.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f84a1c7-4c61-4d2a-846f-a5dbb59cdfcd/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_0f84a1c7-4c61-4d2a-846f-a5dbb59cdfcd/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 24c46cfa0dbb54d68ea1c1d9e6e82d14a582b1d00782b6decedd8126f489ee67 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 02:49:34,542 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 02:49:34,545 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 02:49:34,601 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 02:49:34,602 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 02:49:34,606 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 02:49:34,607 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 02:49:34,611 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 02:49:34,614 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 02:49:34,619 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 02:49:34,620 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 02:49:34,622 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 02:49:34,623 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 02:49:34,625 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 02:49:34,628 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 02:49:34,633 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 02:49:34,635 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 02:49:34,637 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 02:49:34,639 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 02:49:34,649 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 02:49:34,650 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 02:49:34,652 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 02:49:34,655 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 02:49:34,656 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 02:49:34,665 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 02:49:34,666 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 02:49:34,666 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 02:49:34,668 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 02:49:34,669 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 02:49:34,670 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 02:49:34,671 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 02:49:34,672 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 02:49:34,674 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 02:49:34,675 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 02:49:34,677 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 02:49:34,677 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 02:49:34,678 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 02:49:34,678 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 02:49:34,678 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 02:49:34,679 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 02:49:34,680 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 02:49:34,681 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f84a1c7-4c61-4d2a-846f-a5dbb59cdfcd/bin/ugemcutter-riF8PgGdml/config/svcomp-Reach-32bit-GemCutter_Default.epf [2021-10-29 02:49:34,723 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 02:49:34,724 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 02:49:34,724 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-29 02:49:34,725 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-29 02:49:34,732 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 02:49:34,732 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 02:49:34,732 INFO L138 SettingsManager]: * Use SBE=true [2021-10-29 02:49:34,733 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 02:49:34,733 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 02:49:34,733 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 02:49:34,734 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 02:49:34,735 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 02:49:34,735 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 02:49:34,735 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 02:49:34,735 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 02:49:34,735 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 02:49:34,736 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 02:49:34,736 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 02:49:34,736 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 02:49:34,736 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 02:49:34,737 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-29 02:49:34,737 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-10-29 02:49:34,737 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 02:49:34,737 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 02:49:34,737 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 02:49:34,738 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 02:49:34,738 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 02:49:34,738 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-29 02:49:34,738 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 02:49:34,740 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-29 02:49:34,741 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-10-29 02:49:34,741 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 02:49:34,741 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-10-29 02:49:34,741 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-10-29 02:49:34,742 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_0f84a1c7-4c61-4d2a-846f-a5dbb59cdfcd/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f84a1c7-4c61-4d2a-846f-a5dbb59cdfcd/bin/ugemcutter-riF8PgGdml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 24c46cfa0dbb54d68ea1c1d9e6e82d14a582b1d00782b6decedd8126f489ee67 [2021-10-29 02:49:35,049 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 02:49:35,071 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 02:49:35,074 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 02:49:35,075 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 02:49:35,076 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 02:49:35,077 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f84a1c7-4c61-4d2a-846f-a5dbb59cdfcd/bin/ugemcutter-riF8PgGdml/../../sv-benchmarks/c/weaver/popl20-min-max-inc.wvr.c [2021-10-29 02:49:35,138 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f84a1c7-4c61-4d2a-846f-a5dbb59cdfcd/bin/ugemcutter-riF8PgGdml/data/b4a8f1a67/5e1c282dc38d436bb26556a7705ee711/FLAG46da15e77 [2021-10-29 02:49:35,599 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 02:49:35,601 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f84a1c7-4c61-4d2a-846f-a5dbb59cdfcd/sv-benchmarks/c/weaver/popl20-min-max-inc.wvr.c [2021-10-29 02:49:35,611 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f84a1c7-4c61-4d2a-846f-a5dbb59cdfcd/bin/ugemcutter-riF8PgGdml/data/b4a8f1a67/5e1c282dc38d436bb26556a7705ee711/FLAG46da15e77 [2021-10-29 02:49:35,946 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f84a1c7-4c61-4d2a-846f-a5dbb59cdfcd/bin/ugemcutter-riF8PgGdml/data/b4a8f1a67/5e1c282dc38d436bb26556a7705ee711 [2021-10-29 02:49:35,949 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 02:49:35,950 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 02:49:35,954 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 02:49:35,955 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 02:49:35,958 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 02:49:35,959 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 02:49:35" (1/1) ... [2021-10-29 02:49:35,960 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d72813a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:49:35, skipping insertion in model container [2021-10-29 02:49:35,960 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 02:49:35" (1/1) ... [2021-10-29 02:49:35,980 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 02:49:35,999 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 02:49:36,196 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_0f84a1c7-4c61-4d2a-846f-a5dbb59cdfcd/sv-benchmarks/c/weaver/popl20-min-max-inc.wvr.c[3018,3031] [2021-10-29 02:49:36,202 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 02:49:36,211 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 02:49:36,234 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_0f84a1c7-4c61-4d2a-846f-a5dbb59cdfcd/sv-benchmarks/c/weaver/popl20-min-max-inc.wvr.c[3018,3031] [2021-10-29 02:49:36,237 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 02:49:36,252 INFO L208 MainTranslator]: Completed translation [2021-10-29 02:49:36,252 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:49:36 WrapperNode [2021-10-29 02:49:36,252 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 02:49:36,253 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 02:49:36,254 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 02:49:36,254 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 02:49:36,264 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:49:36" (1/1) ... [2021-10-29 02:49:36,291 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:49:36" (1/1) ... [2021-10-29 02:49:36,334 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 02:49:36,336 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 02:49:36,336 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 02:49:36,336 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 02:49:36,345 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:49:36" (1/1) ... [2021-10-29 02:49:36,346 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:49:36" (1/1) ... [2021-10-29 02:49:36,361 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:49:36" (1/1) ... [2021-10-29 02:49:36,369 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:49:36" (1/1) ... [2021-10-29 02:49:36,377 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:49:36" (1/1) ... [2021-10-29 02:49:36,387 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:49:36" (1/1) ... [2021-10-29 02:49:36,396 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:49:36" (1/1) ... [2021-10-29 02:49:36,400 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 02:49:36,401 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 02:49:36,401 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 02:49:36,401 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 02:49:36,402 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:49:36" (1/1) ... [2021-10-29 02:49:36,423 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 02:49:36,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f84a1c7-4c61-4d2a-846f-a5dbb59cdfcd/bin/ugemcutter-riF8PgGdml/z3 [2021-10-29 02:49:36,453 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f84a1c7-4c61-4d2a-846f-a5dbb59cdfcd/bin/ugemcutter-riF8PgGdml/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-29 02:49:36,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f84a1c7-4c61-4d2a-846f-a5dbb59cdfcd/bin/ugemcutter-riF8PgGdml/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-29 02:49:36,507 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 02:49:36,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-29 02:49:36,508 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-29 02:49:36,508 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-10-29 02:49:36,508 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-10-29 02:49:36,509 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-10-29 02:49:36,509 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-10-29 02:49:36,509 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-10-29 02:49:36,509 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-10-29 02:49:36,509 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-10-29 02:49:36,509 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-10-29 02:49:36,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 02:49:36,510 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-10-29 02:49:36,510 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-10-29 02:49:36,510 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-29 02:49:36,510 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 02:49:36,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 02:49:36,511 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-29 02:49:36,512 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-29 02:49:37,191 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 02:49:37,191 INFO L299 CfgBuilder]: Removed 20 assume(true) statements. [2021-10-29 02:49:37,193 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 02:49:37 BoogieIcfgContainer [2021-10-29 02:49:37,194 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 02:49:37,195 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-29 02:49:37,195 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-29 02:49:37,199 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-29 02:49:37,199 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 02:49:35" (1/3) ... [2021-10-29 02:49:37,200 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6440db6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 02:49:37, skipping insertion in model container [2021-10-29 02:49:37,200 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:49:36" (2/3) ... [2021-10-29 02:49:37,200 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6440db6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 02:49:37, skipping insertion in model container [2021-10-29 02:49:37,201 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 02:49:37" (3/3) ... [2021-10-29 02:49:37,202 INFO L111 eAbstractionObserver]: Analyzing ICFG popl20-min-max-inc.wvr.c [2021-10-29 02:49:37,207 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-29 02:49:37,207 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-29 02:49:37,208 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-29 02:49:37,208 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-29 02:49:37,283 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,283 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,284 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,284 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,284 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,284 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,284 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,285 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,285 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,285 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,285 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,285 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,286 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,286 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,286 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,286 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,286 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,287 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,287 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,287 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,287 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,287 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,288 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,288 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,288 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,288 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,288 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,289 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,289 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,289 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,289 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,289 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,290 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,290 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,290 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork3_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,290 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork3_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,291 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork3_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,291 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork3_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,291 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork3_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,291 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork3_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,291 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,292 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,292 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,292 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,292 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,292 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork3_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,292 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,293 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,293 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,293 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,293 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork3_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,293 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,294 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,294 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,294 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork3_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,294 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,295 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork3_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,295 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,295 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,295 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork3_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,295 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,295 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork3_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,296 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,296 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,296 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,296 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,297 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,297 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,297 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,297 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,297 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,298 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,298 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,298 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,298 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,298 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,298 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,299 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,299 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,299 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,299 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,299 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,299 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,300 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,300 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,300 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,301 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,301 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,322 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,322 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,323 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,323 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,323 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,323 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,323 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,324 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,324 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,324 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,324 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,325 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,328 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,328 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,328 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,328 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,329 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,329 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,329 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,329 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,329 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,332 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,332 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,332 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,332 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,332 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,333 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,333 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,333 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,335 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,335 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,352 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,353 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork3_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,353 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,353 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,353 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,354 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,354 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,354 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,364 INFO L148 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-10-29 02:49:37,422 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-10-29 02:49:37,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f84a1c7-4c61-4d2a-846f-a5dbb59cdfcd/bin/ugemcutter-riF8PgGdml/z3 [2021-10-29 02:49:37,424 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f84a1c7-4c61-4d2a-846f-a5dbb59cdfcd/bin/ugemcutter-riF8PgGdml/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-10-29 02:49:37,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f84a1c7-4c61-4d2a-846f-a5dbb59cdfcd/bin/ugemcutter-riF8PgGdml/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-10-29 02:49:37,477 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-10-29 02:49:37,486 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-29 02:49:37,487 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-10-29 02:49:37,797 WARN L313 ript$VariableManager]: TermVariabe |v_thread1_#t~mem6_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,826 WARN L313 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:37,862 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-10-29 02:49:37,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 02:49:37,868 INFO L85 PathProgramCache]: Analyzing trace with hash -515106252, now seen corresponding path program 1 times [2021-10-29 02:49:37,878 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 02:49:37,879 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592132805] [2021-10-29 02:49:37,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 02:49:37,880 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:49:37,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:49:38,094 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 02:49:38,095 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-29 02:49:38,096 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [592132805] [2021-10-29 02:49:38,096 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [592132805] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 02:49:38,097 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 02:49:38,097 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-29 02:49:38,099 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [815801336] [2021-10-29 02:49:38,105 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-29 02:49:38,107 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-29 02:49:38,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-29 02:49:38,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-29 02:49:38,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-29 02:49:38,128 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-29 02:49:38,130 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 56.0) internal successors, (112), 2 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 02:49:38,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-29 02:49:38,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-29 02:49:38,162 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-29 02:49:38,162 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-10-29 02:49:38,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 02:49:38,167 INFO L85 PathProgramCache]: Analyzing trace with hash -772842841, now seen corresponding path program 1 times [2021-10-29 02:49:38,167 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 02:49:38,168 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2134258255] [2021-10-29 02:49:38,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 02:49:38,168 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:49:38,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:49:38,689 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 02:49:38,689 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-29 02:49:38,689 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2134258255] [2021-10-29 02:49:38,690 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2134258255] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 02:49:38,690 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 02:49:38,690 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-29 02:49:38,691 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017076305] [2021-10-29 02:49:38,692 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-29 02:49:38,693 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-29 02:49:38,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-29 02:49:38,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-10-29 02:49:38,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-29 02:49:38,694 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-29 02:49:38,695 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.0) internal successors, (108), 6 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 02:49:38,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-29 02:49:38,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-29 02:49:38,773 WARN L313 ript$VariableManager]: TermVariabe |v_thread1_#t~mem6_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,783 WARN L313 ript$VariableManager]: TermVariabe |v_thread1_#t~mem6_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,800 WARN L313 ript$VariableManager]: TermVariabe |v_thread1_#t~mem6_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:38,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-29 02:49:38,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-29 02:49:38,860 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-29 02:49:38,860 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-10-29 02:49:38,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 02:49:38,861 INFO L85 PathProgramCache]: Analyzing trace with hash 1460987626, now seen corresponding path program 1 times [2021-10-29 02:49:38,862 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 02:49:38,864 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [604919384] [2021-10-29 02:49:38,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 02:49:38,864 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:49:38,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:49:39,054 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 02:49:39,055 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-29 02:49:39,055 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [604919384] [2021-10-29 02:49:39,055 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [604919384] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 02:49:39,056 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 02:49:39,056 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-29 02:49:39,056 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813207983] [2021-10-29 02:49:39,057 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-29 02:49:39,057 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-29 02:49:39,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-29 02:49:39,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-10-29 02:49:39,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-29 02:49:39,059 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-29 02:49:39,059 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 7 states have internal predecessors, (113), 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 02:49:39,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-29 02:49:39,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-29 02:49:39,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-29 02:49:39,161 WARN L313 ript$VariableManager]: TermVariabe |v_thread1_#t~mem6_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:39,226 WARN L313 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:39,234 WARN L313 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:39,250 WARN L313 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:39,969 WARN L313 ript$VariableManager]: TermVariabe |v_thread1_#t~mem6_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:39,980 WARN L313 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:40,006 WARN L313 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:40,226 WARN L313 ript$VariableManager]: TermVariabe |v_thread1_#t~mem6_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:40,249 WARN L313 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:40,260 WARN L313 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:40,300 WARN L313 ript$VariableManager]: TermVariabe |v_thread1_#t~mem6_24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:40,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-29 02:49:40,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-29 02:49:40,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-29 02:49:40,359 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-29 02:49:40,360 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-10-29 02:49:40,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 02:49:40,361 INFO L85 PathProgramCache]: Analyzing trace with hash 697123789, now seen corresponding path program 1 times [2021-10-29 02:49:40,362 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 02:49:40,362 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [11748474] [2021-10-29 02:49:40,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 02:49:40,363 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:49:40,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:49:40,561 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 02:49:40,561 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-29 02:49:40,562 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [11748474] [2021-10-29 02:49:40,562 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [11748474] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-29 02:49:40,567 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [104167438] [2021-10-29 02:49:40,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 02:49:40,568 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-29 02:49:40,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f84a1c7-4c61-4d2a-846f-a5dbb59cdfcd/bin/ugemcutter-riF8PgGdml/z3 [2021-10-29 02:49:40,576 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f84a1c7-4c61-4d2a-846f-a5dbb59cdfcd/bin/ugemcutter-riF8PgGdml/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-29 02:49:40,595 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f84a1c7-4c61-4d2a-846f-a5dbb59cdfcd/bin/ugemcutter-riF8PgGdml/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-10-29 02:49:40,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:49:40,710 INFO L263 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-29 02:49:40,722 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 02:49:41,181 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 02:49:41,182 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [104167438] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-29 02:49:41,182 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-29 02:49:41,182 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 10 [2021-10-29 02:49:41,183 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239828811] [2021-10-29 02:49:41,185 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-10-29 02:49:41,186 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-29 02:49:41,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-29 02:49:41,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2021-10-29 02:49:41,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-29 02:49:41,188 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-29 02:49:41,189 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 12.8) internal successors, (128), 10 states have internal predecessors, (128), 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 02:49:41,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-29 02:49:41,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-29 02:49:41,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-29 02:49:41,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-29 02:49:41,301 WARN L313 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:41,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-29 02:49:41,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-29 02:49:41,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-29 02:49:41,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-29 02:49:41,388 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f84a1c7-4c61-4d2a-846f-a5dbb59cdfcd/bin/ugemcutter-riF8PgGdml/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-10-29 02:49:41,556 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f84a1c7-4c61-4d2a-846f-a5dbb59cdfcd/bin/ugemcutter-riF8PgGdml/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-29 02:49:41,556 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-10-29 02:49:41,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 02:49:41,557 INFO L85 PathProgramCache]: Analyzing trace with hash -921152222, now seen corresponding path program 1 times [2021-10-29 02:49:41,557 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 02:49:41,557 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [953752256] [2021-10-29 02:49:41,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 02:49:41,558 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:49:41,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:49:41,689 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 02:49:41,689 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-29 02:49:41,690 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [953752256] [2021-10-29 02:49:41,690 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [953752256] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-29 02:49:41,690 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1269182597] [2021-10-29 02:49:41,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 02:49:41,691 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-29 02:49:41,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f84a1c7-4c61-4d2a-846f-a5dbb59cdfcd/bin/ugemcutter-riF8PgGdml/z3 [2021-10-29 02:49:41,692 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f84a1c7-4c61-4d2a-846f-a5dbb59cdfcd/bin/ugemcutter-riF8PgGdml/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-29 02:49:41,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f84a1c7-4c61-4d2a-846f-a5dbb59cdfcd/bin/ugemcutter-riF8PgGdml/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-10-29 02:49:41,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:49:41,874 INFO L263 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-29 02:49:41,882 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 02:49:42,273 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 02:49:42,274 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1269182597] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-29 02:49:42,274 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-29 02:49:42,274 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 10 [2021-10-29 02:49:42,274 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096334517] [2021-10-29 02:49:42,275 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-10-29 02:49:42,275 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-29 02:49:42,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-29 02:49:42,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2021-10-29 02:49:42,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-29 02:49:42,276 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-29 02:49:42,277 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 13.3) internal successors, (133), 10 states have internal predecessors, (133), 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 02:49:42,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-29 02:49:42,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-29 02:49:42,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-29 02:49:42,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-29 02:49:42,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-29 02:49:42,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-29 02:49:42,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-29 02:49:42,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-29 02:49:42,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-29 02:49:42,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-29 02:49:42,445 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f84a1c7-4c61-4d2a-846f-a5dbb59cdfcd/bin/ugemcutter-riF8PgGdml/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-10-29 02:49:42,620 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f84a1c7-4c61-4d2a-846f-a5dbb59cdfcd/bin/ugemcutter-riF8PgGdml/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-29 02:49:42,620 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-10-29 02:49:42,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 02:49:42,621 INFO L85 PathProgramCache]: Analyzing trace with hash 2116747691, now seen corresponding path program 1 times [2021-10-29 02:49:42,621 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 02:49:42,621 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [482423362] [2021-10-29 02:49:42,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 02:49:42,648 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:49:42,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:49:42,792 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-29 02:49:42,793 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-29 02:49:42,793 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [482423362] [2021-10-29 02:49:42,793 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [482423362] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 02:49:42,793 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 02:49:42,793 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-10-29 02:49:42,794 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674640078] [2021-10-29 02:49:42,794 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-29 02:49:42,794 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-29 02:49:42,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-29 02:49:42,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-10-29 02:49:42,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-29 02:49:42,796 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-29 02:49:42,796 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.25) internal successors, (130), 8 states have internal predecessors, (130), 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 02:49:42,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-29 02:49:42,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-29 02:49:42,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-29 02:49:42,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-29 02:49:42,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-29 02:49:42,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-29 02:49:43,003 WARN L313 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:43,039 WARN L313 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:43,077 WARN L313 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:43,089 WARN L313 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:43,806 WARN L313 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:44,023 WARN L313 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11_26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:44,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-29 02:49:44,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-29 02:49:44,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-29 02:49:44,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-29 02:49:44,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-29 02:49:44,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-29 02:49:44,057 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 02:49:44,058 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-29 02:49:44,058 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION [2021-10-29 02:49:44,058 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATION [2021-10-29 02:49:44,059 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATION [2021-10-29 02:49:44,059 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-29 02:49:44,071 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2021-10-29 02:49:44,074 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-29 02:49:44,074 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-29 02:49:44,077 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 02:49:44 BasicIcfg [2021-10-29 02:49:44,077 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-29 02:49:44,078 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 02:49:44,078 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 02:49:44,078 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 02:49:44,079 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 02:49:37" (3/4) ... [2021-10-29 02:49:44,084 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 02:49:44,091 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2021-10-29 02:49:44,091 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2021-10-29 02:49:44,091 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2021-10-29 02:49:44,092 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread4 [2021-10-29 02:49:44,100 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2021-10-29 02:49:44,100 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-29 02:49:44,101 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 02:49:44,101 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 02:49:44,156 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f84a1c7-4c61-4d2a-846f-a5dbb59cdfcd/bin/ugemcutter-riF8PgGdml/witness.graphml [2021-10-29 02:49:44,156 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 02:49:44,158 INFO L168 Benchmark]: Toolchain (without parser) took 8206.77 ms. Allocated memory was 98.6 MB in the beginning and 226.5 MB in the end (delta: 127.9 MB). Free memory was 58.9 MB in the beginning and 112.7 MB in the end (delta: -53.8 MB). Peak memory consumption was 74.3 MB. Max. memory is 16.1 GB. [2021-10-29 02:49:44,158 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 98.6 MB. Free memory is still 75.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 02:49:44,159 INFO L168 Benchmark]: CACSL2BoogieTranslator took 298.18 ms. Allocated memory is still 98.6 MB. Free memory was 58.7 MB in the beginning and 71.1 MB in the end (delta: -12.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-29 02:49:44,159 INFO L168 Benchmark]: Boogie Procedure Inliner took 81.58 ms. Allocated memory is still 98.6 MB. Free memory was 71.1 MB in the beginning and 69.2 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 02:49:44,160 INFO L168 Benchmark]: Boogie Preprocessor took 64.71 ms. Allocated memory is still 98.6 MB. Free memory was 69.2 MB in the beginning and 67.4 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 02:49:44,160 INFO L168 Benchmark]: RCFGBuilder took 792.72 ms. Allocated memory is still 98.6 MB. Free memory was 67.4 MB in the beginning and 45.6 MB in the end (delta: 21.9 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. [2021-10-29 02:49:44,161 INFO L168 Benchmark]: TraceAbstraction took 6882.03 ms. Allocated memory was 98.6 MB in the beginning and 226.5 MB in the end (delta: 127.9 MB). Free memory was 44.8 MB in the beginning and 115.8 MB in the end (delta: -71.0 MB). Peak memory consumption was 58.0 MB. Max. memory is 16.1 GB. [2021-10-29 02:49:44,161 INFO L168 Benchmark]: Witness Printer took 78.30 ms. Allocated memory is still 226.5 MB. Free memory was 115.8 MB in the beginning and 112.7 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-29 02:49:44,163 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 98.6 MB. Free memory is still 75.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 298.18 ms. Allocated memory is still 98.6 MB. Free memory was 58.7 MB in the beginning and 71.1 MB in the end (delta: -12.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 81.58 ms. Allocated memory is still 98.6 MB. Free memory was 71.1 MB in the beginning and 69.2 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 64.71 ms. Allocated memory is still 98.6 MB. Free memory was 69.2 MB in the beginning and 67.4 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 792.72 ms. Allocated memory is still 98.6 MB. Free memory was 67.4 MB in the beginning and 45.6 MB in the end (delta: 21.9 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 6882.03 ms. Allocated memory was 98.6 MB in the beginning and 226.5 MB in the end (delta: 127.9 MB). Free memory was 44.8 MB in the beginning and 115.8 MB in the end (delta: -71.0 MB). Peak memory consumption was 58.0 MB. Max. memory is 16.1 GB. * Witness Printer took 78.30 ms. Allocated memory is still 226.5 MB. Free memory was 115.8 MB in the beginning and 112.7 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 140097, positive: 128147, positive conditional: 125496, positive unconditional: 2651, negative: 11950, negative conditional: 11899, negative unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 135084, positive: 128147, positive conditional: 125496, positive unconditional: 2651, negative: 6937, negative conditional: 6886, negative unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 135084, positive: 128147, positive conditional: 125496, positive unconditional: 2651, negative: 6937, negative conditional: 6886, negative unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 162866, positive: 128147, positive conditional: 125152, positive unconditional: 2995, negative: 34719, negative conditional: 27782, negative unconditional: 6937, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 162866, positive: 128147, positive conditional: 39008, positive unconditional: 89139, negative: 34719, negative conditional: 1063, negative unconditional: 33656, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 162866, positive: 128147, positive conditional: 39008, positive unconditional: 89139, negative: 34719, negative conditional: 1063, negative unconditional: 33656, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2523, positive: 2458, positive conditional: 20, positive unconditional: 2438, negative: 65, negative conditional: 14, negative unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2523, positive: 2457, positive conditional: 0, positive unconditional: 2457, negative: 66, negative conditional: 0, negative unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 66, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 65, negative conditional: 14, negative unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 394, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 386, negative conditional: 78, negative unconditional: 308, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 162866, positive: 125689, positive conditional: 38988, positive unconditional: 86701, negative: 34654, negative conditional: 1049, negative unconditional: 33605, unknown: 2523, unknown conditional: 34, unknown unconditional: 2489] , Statistics on independence cache: Total cache size (in pairs): 2523, Positive cache size: 2458, Positive conditional cache size: 20, Positive unconditional cache size: 2438, Negative cache size: 65, Negative conditional cache size: 14, Negative unconditional cache size: 51, Eliminated conditions: 112863, Maximal queried relation: 5, Independence queries for same thread: 5013 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 688, Number of persistent set computation: 1916, Number of trivial persistent sets: 745, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2702, positive: 2651, positive conditional: 0, positive unconditional: 2651, negative: 51, negative conditional: 0, negative unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 140097, positive: 128147, positive conditional: 125496, positive unconditional: 2651, negative: 11950, negative conditional: 11899, negative unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 135084, positive: 128147, positive conditional: 125496, positive unconditional: 2651, negative: 6937, negative conditional: 6886, negative unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 135084, positive: 128147, positive conditional: 125496, positive unconditional: 2651, negative: 6937, negative conditional: 6886, negative unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 162866, positive: 128147, positive conditional: 125152, positive unconditional: 2995, negative: 34719, negative conditional: 27782, negative unconditional: 6937, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 162866, positive: 128147, positive conditional: 39008, positive unconditional: 89139, negative: 34719, negative conditional: 1063, negative unconditional: 33656, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 162866, positive: 128147, positive conditional: 39008, positive unconditional: 89139, negative: 34719, negative conditional: 1063, negative unconditional: 33656, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2523, positive: 2458, positive conditional: 20, positive unconditional: 2438, negative: 65, negative conditional: 14, negative unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2523, positive: 2457, positive conditional: 0, positive unconditional: 2457, negative: 66, negative conditional: 0, negative unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 66, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 65, negative conditional: 14, negative unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 394, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 386, negative conditional: 78, negative unconditional: 308, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 162866, positive: 125689, positive conditional: 38988, positive unconditional: 86701, negative: 34654, negative conditional: 1049, negative unconditional: 33605, unknown: 2523, unknown conditional: 34, unknown unconditional: 2489] , Statistics on independence cache: Total cache size (in pairs): 2523, Positive cache size: 2458, Positive conditional cache size: 20, Positive unconditional cache size: 2438, Negative cache size: 65, Negative conditional cache size: 14, Negative unconditional cache size: 51, Eliminated conditions: 112863, Maximal queried relation: 5, Independence queries for same thread: 5013 - 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: 120]: 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 9 procedures, 186 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 6.6s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 3.3s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 42, 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, 0.5s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 953 NumberOfCodeBlocks, 953 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 945 ConstructedInterpolants, 0 QuantifiedInterpolants, 1965 SizeOfPredicates, 10 NumberOfNonLiveVariables, 597 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 8 InterpolantComputations, 4 PerfectInterpolantSequences, 11/15 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 02:49:44,219 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f84a1c7-4c61-4d2a-846f-a5dbb59cdfcd/bin/ugemcutter-riF8PgGdml/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2021-10-29 02:49:44,437 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f84a1c7-4c61-4d2a-846f-a5dbb59cdfcd/bin/ugemcutter-riF8PgGdml/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...