./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/parallel-misc-3-extended.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 57096758 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a9f962-771f-4d05-8791-24d822b5d062/bin/ugemcutter-qKN3xmkmp7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a9f962-771f-4d05-8791-24d822b5d062/bin/ugemcutter-qKN3xmkmp7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a9f962-771f-4d05-8791-24d822b5d062/bin/ugemcutter-qKN3xmkmp7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a9f962-771f-4d05-8791-24d822b5d062/bin/ugemcutter-qKN3xmkmp7/config/GemCutterReach.xml -i ../../sv-benchmarks/c/weaver/parallel-misc-3-extended.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a9f962-771f-4d05-8791-24d822b5d062/bin/ugemcutter-qKN3xmkmp7/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a9f962-771f-4d05-8791-24d822b5d062/bin/ugemcutter-qKN3xmkmp7 --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 12629ec95cc4b6550004617bdab9ad0ce779d18f ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-5709675 [2021-10-16 01:23:28,599 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-16 01:23:28,602 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-16 01:23:28,632 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-16 01:23:28,633 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-16 01:23:28,634 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-16 01:23:28,636 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-16 01:23:28,638 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-16 01:23:28,641 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-16 01:23:28,642 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-16 01:23:28,643 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-16 01:23:28,645 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-16 01:23:28,645 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-16 01:23:28,646 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-16 01:23:28,648 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-16 01:23:28,650 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-16 01:23:28,651 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-16 01:23:28,653 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-16 01:23:28,658 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-16 01:23:28,660 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-16 01:23:28,662 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-16 01:23:28,663 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-16 01:23:28,665 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-16 01:23:28,666 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-16 01:23:28,669 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-16 01:23:28,670 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-16 01:23:28,670 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-16 01:23:28,671 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-16 01:23:28,672 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-16 01:23:28,673 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-16 01:23:28,673 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-16 01:23:28,674 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-16 01:23:28,675 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-16 01:23:28,676 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-16 01:23:28,677 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-16 01:23:28,678 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-16 01:23:28,679 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-16 01:23:28,679 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-16 01:23:28,679 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 01:23:28,680 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 01:23:28,681 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 01:23:28,682 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a9f962-771f-4d05-8791-24d822b5d062/bin/ugemcutter-qKN3xmkmp7/config/svcomp-Reach-32bit-GemCutter_Default.epf [2021-10-16 01:23:28,707 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 01:23:28,707 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 01:23:28,707 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-16 01:23:28,707 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-16 01:23:28,708 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-16 01:23:28,709 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-16 01:23:28,709 INFO L138 SettingsManager]: * Use SBE=true [2021-10-16 01:23:28,709 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 01:23:28,709 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-16 01:23:28,709 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-16 01:23:28,710 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-16 01:23:28,710 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 01:23:28,710 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-16 01:23:28,710 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 01:23:28,710 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-16 01:23:28,710 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-16 01:23:28,711 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-16 01:23:28,711 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 01:23:28,711 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-16 01:23:28,711 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 01:23:28,711 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-16 01:23:28,712 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-10-16 01:23:28,712 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 01:23:28,712 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 01:23:28,712 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 01:23:28,712 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 01:23:28,713 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-16 01:23:28,713 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-16 01:23:28,713 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-16 01:23:28,713 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-16 01:23:28,713 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-10-16 01:23:28,714 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-16 01:23:28,714 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-10-16 01:23:28,714 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-10-16 01:23:28,714 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_51a9f962-771f-4d05-8791-24d822b5d062/bin/ugemcutter-qKN3xmkmp7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a9f962-771f-4d05-8791-24d822b5d062/bin/ugemcutter-qKN3xmkmp7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 12629ec95cc4b6550004617bdab9ad0ce779d18f [2021-10-16 01:23:28,983 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 01:23:29,026 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 01:23:29,029 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 01:23:29,031 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 01:23:29,032 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 01:23:29,034 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a9f962-771f-4d05-8791-24d822b5d062/bin/ugemcutter-qKN3xmkmp7/../../sv-benchmarks/c/weaver/parallel-misc-3-extended.wvr.c [2021-10-16 01:23:29,117 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a9f962-771f-4d05-8791-24d822b5d062/bin/ugemcutter-qKN3xmkmp7/data/616ee3012/bfa226fa0f3345a2af06c144ace37bd9/FLAG42d21be3f [2021-10-16 01:23:29,633 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 01:23:29,634 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a9f962-771f-4d05-8791-24d822b5d062/sv-benchmarks/c/weaver/parallel-misc-3-extended.wvr.c [2021-10-16 01:23:29,648 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a9f962-771f-4d05-8791-24d822b5d062/bin/ugemcutter-qKN3xmkmp7/data/616ee3012/bfa226fa0f3345a2af06c144ace37bd9/FLAG42d21be3f [2021-10-16 01:23:29,997 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a9f962-771f-4d05-8791-24d822b5d062/bin/ugemcutter-qKN3xmkmp7/data/616ee3012/bfa226fa0f3345a2af06c144ace37bd9 [2021-10-16 01:23:30,000 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 01:23:30,002 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-16 01:23:30,013 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 01:23:30,013 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 01:23:30,016 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 01:23:30,017 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:23:29" (1/1) ... [2021-10-16 01:23:30,018 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3adfc5d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:23:30, skipping insertion in model container [2021-10-16 01:23:30,019 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:23:29" (1/1) ... [2021-10-16 01:23:30,034 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 01:23:30,069 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 01:23:30,345 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_51a9f962-771f-4d05-8791-24d822b5d062/sv-benchmarks/c/weaver/parallel-misc-3-extended.wvr.c[2600,2613] [2021-10-16 01:23:30,355 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 01:23:30,368 INFO L203 MainTranslator]: Completed pre-run [2021-10-16 01:23:30,415 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_51a9f962-771f-4d05-8791-24d822b5d062/sv-benchmarks/c/weaver/parallel-misc-3-extended.wvr.c[2600,2613] [2021-10-16 01:23:30,416 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 01:23:30,433 INFO L208 MainTranslator]: Completed translation [2021-10-16 01:23:30,434 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:23:30 WrapperNode [2021-10-16 01:23:30,434 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 01:23:30,435 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-16 01:23:30,436 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-16 01:23:30,436 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-16 01:23:30,445 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:23:30" (1/1) ... [2021-10-16 01:23:30,455 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:23:30" (1/1) ... [2021-10-16 01:23:30,479 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-16 01:23:30,480 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-16 01:23:30,480 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-16 01:23:30,481 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-16 01:23:30,491 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:23:30" (1/1) ... [2021-10-16 01:23:30,491 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:23:30" (1/1) ... [2021-10-16 01:23:30,494 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:23:30" (1/1) ... [2021-10-16 01:23:30,494 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:23:30" (1/1) ... [2021-10-16 01:23:30,501 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:23:30" (1/1) ... [2021-10-16 01:23:30,507 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:23:30" (1/1) ... [2021-10-16 01:23:30,514 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:23:30" (1/1) ... [2021-10-16 01:23:30,528 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-16 01:23:30,529 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-16 01:23:30,530 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-16 01:23:30,530 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-16 01:23:30,531 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:23:30" (1/1) ... [2021-10-16 01:23:30,543 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 01:23:30,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a9f962-771f-4d05-8791-24d822b5d062/bin/ugemcutter-qKN3xmkmp7/z3 [2021-10-16 01:23:30,583 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a9f962-771f-4d05-8791-24d822b5d062/bin/ugemcutter-qKN3xmkmp7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-16 01:23:30,601 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a9f962-771f-4d05-8791-24d822b5d062/bin/ugemcutter-qKN3xmkmp7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-16 01:23:30,642 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-10-16 01:23:30,642 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-10-16 01:23:30,642 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-10-16 01:23:30,642 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-10-16 01:23:30,643 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-10-16 01:23:30,643 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-10-16 01:23:30,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-16 01:23:30,643 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-16 01:23:30,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-16 01:23:30,645 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-10-16 01:23:30,645 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-10-16 01:23:30,646 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-16 01:23:30,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-16 01:23:30,646 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-16 01:23:30,646 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-16 01:23:30,648 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-16 01:23:31,074 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-16 01:23:31,088 INFO L299 CfgBuilder]: Removed 9 assume(true) statements. [2021-10-16 01:23:31,091 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 01:23:31 BoogieIcfgContainer [2021-10-16 01:23:31,091 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-16 01:23:31,093 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-16 01:23:31,093 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-16 01:23:31,103 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-16 01:23:31,103 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 01:23:29" (1/3) ... [2021-10-16 01:23:31,104 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bceb1b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 01:23:31, skipping insertion in model container [2021-10-16 01:23:31,104 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:23:30" (2/3) ... [2021-10-16 01:23:31,105 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bceb1b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 01:23:31, skipping insertion in model container [2021-10-16 01:23:31,105 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 01:23:31" (3/3) ... [2021-10-16 01:23:31,106 INFO L111 eAbstractionObserver]: Analyzing ICFG parallel-misc-3-extended.wvr.c [2021-10-16 01:23:31,116 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-16 01:23:31,117 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-16 01:23:31,117 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-16 01:23:31,117 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-16 01:23:31,169 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:31,169 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:31,170 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:31,170 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:31,170 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:31,170 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:31,171 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:31,171 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:31,171 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:31,172 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:31,172 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:31,172 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:31,172 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:31,173 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:31,173 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:31,173 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:31,174 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:31,174 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:31,174 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:31,175 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:31,175 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:31,176 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:31,176 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:31,176 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:31,176 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:31,177 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:31,177 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:31,177 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:31,178 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:31,178 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:31,178 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:31,179 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:31,179 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:31,180 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:31,180 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:31,180 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:31,180 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:31,181 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:31,181 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:31,181 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:31,184 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:31,184 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:31,184 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:31,185 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:31,185 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:31,187 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:31,187 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:31,188 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:31,190 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:31,190 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:31,190 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:23:31,200 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-10-16 01:23:31,247 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-10-16 01:23:31,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a9f962-771f-4d05-8791-24d822b5d062/bin/ugemcutter-qKN3xmkmp7/z3 [2021-10-16 01:23:31,249 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a9f962-771f-4d05-8791-24d822b5d062/bin/ugemcutter-qKN3xmkmp7/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-10-16 01:23:31,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a9f962-771f-4d05-8791-24d822b5d062/bin/ugemcutter-qKN3xmkmp7/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-10-16 01:23:31,296 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-10-16 01:23:31,302 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, mConcurrency=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 [2021-10-16 01:23:31,302 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-10-16 01:23:31,515 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-16 01:23:31,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 01:23:31,521 INFO L82 PathProgramCache]: Analyzing trace with hash 1677775271, now seen corresponding path program 1 times [2021-10-16 01:23:31,530 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 01:23:31,531 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1680228748] [2021-10-16 01:23:31,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 01:23:31,532 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 01:23:31,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 01:23:31,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 01:23:31,855 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 01:23:31,856 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1680228748] [2021-10-16 01:23:31,857 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1680228748] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 01:23:31,858 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 01:23:31,858 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-16 01:23:31,860 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2127192142] [2021-10-16 01:23:31,870 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-16 01:23:31,870 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 01:23:31,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-16 01:23:31,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-16 01:23:31,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-16 01:23:31,897 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-16 01:23:31,900 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 33.5) internal successors, (67), 2 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 01:23:31,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-16 01:23:31,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-16 01:23:31,947 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-16 01:23:31,950 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-16 01:23:31,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 01:23:31,952 INFO L82 PathProgramCache]: Analyzing trace with hash 401837440, now seen corresponding path program 1 times [2021-10-16 01:23:31,952 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 01:23:31,952 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [997672964] [2021-10-16 01:23:31,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 01:23:31,954 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 01:23:32,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 01:23:32,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 01:23:32,132 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 01:23:32,132 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [997672964] [2021-10-16 01:23:32,133 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [997672964] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 01:23:32,133 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 01:23:32,133 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-16 01:23:32,133 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527332875] [2021-10-16 01:23:32,135 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 01:23:32,136 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 01:23:32,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 01:23:32,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 01:23:32,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-16 01:23:32,142 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-16 01:23:32,142 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 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) [2021-10-16 01:23:32,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-16 01:23:32,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-16 01:23:32,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-16 01:23:32,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 01:23:32,245 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-16 01:23:32,245 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-16 01:23:32,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 01:23:32,247 INFO L82 PathProgramCache]: Analyzing trace with hash 1489964712, now seen corresponding path program 1 times [2021-10-16 01:23:32,248 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 01:23:32,248 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [245890079] [2021-10-16 01:23:32,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 01:23:32,249 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 01:23:32,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 01:23:32,408 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-16 01:23:32,408 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 01:23:32,408 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [245890079] [2021-10-16 01:23:32,408 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [245890079] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 01:23:32,409 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 01:23:32,409 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-16 01:23:32,409 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658446508] [2021-10-16 01:23:32,409 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 01:23:32,410 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 01:23:32,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 01:23:32,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 01:23:32,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-16 01:23:32,411 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-16 01:23:32,411 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 01:23:32,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-16 01:23:32,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-16 01:23:32,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-16 01:23:32,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-16 01:23:32,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 01:23:32,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 01:23:32,448 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-16 01:23:32,449 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-16 01:23:32,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 01:23:32,449 INFO L82 PathProgramCache]: Analyzing trace with hash 602099200, now seen corresponding path program 1 times [2021-10-16 01:23:32,449 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 01:23:32,450 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789374698] [2021-10-16 01:23:32,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 01:23:32,450 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 01:23:32,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 01:23:32,533 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-16 01:23:32,533 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 01:23:32,533 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [789374698] [2021-10-16 01:23:32,533 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [789374698] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 01:23:32,533 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 01:23:32,534 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-16 01:23:32,534 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197279756] [2021-10-16 01:23:32,534 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 01:23:32,535 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 01:23:32,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 01:23:32,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 01:23:32,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-16 01:23:32,536 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-16 01:23:32,536 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 01:23:32,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-16 01:23:32,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-16 01:23:32,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-16 01:23:32,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-16 01:23:32,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-16 01:23:32,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 01:23:32,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 01:23:32,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 01:23:32,568 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-16 01:23:32,568 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-16 01:23:32,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 01:23:32,569 INFO L82 PathProgramCache]: Analyzing trace with hash 210468136, now seen corresponding path program 1 times [2021-10-16 01:23:32,569 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 01:23:32,569 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [17311179] [2021-10-16 01:23:32,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 01:23:32,569 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 01:23:32,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 01:23:32,764 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-16 01:23:32,765 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 01:23:32,765 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [17311179] [2021-10-16 01:23:32,765 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [17311179] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 01:23:32,765 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 01:23:32,766 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-16 01:23:32,766 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1189201764] [2021-10-16 01:23:32,766 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-16 01:23:32,767 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 01:23:32,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-16 01:23:32,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-16 01:23:32,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-16 01:23:32,769 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-16 01:23:32,769 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.5) internal successors, (90), 4 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 01:23:32,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-16 01:23:32,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-16 01:23:32,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-16 01:23:32,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-16 01:23:32,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-16 01:23:32,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-16 01:23:32,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 01:23:32,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 01:23:32,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 01:23:32,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-16 01:23:32,877 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-16 01:23:32,877 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-16 01:23:32,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 01:23:32,878 INFO L82 PathProgramCache]: Analyzing trace with hash 1735230283, now seen corresponding path program 1 times [2021-10-16 01:23:32,879 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 01:23:32,879 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1899980508] [2021-10-16 01:23:32,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 01:23:32,880 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 01:23:32,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 01:23:33,016 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-10-16 01:23:33,016 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 01:23:33,017 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1899980508] [2021-10-16 01:23:33,017 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1899980508] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 01:23:33,017 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 01:23:33,017 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-16 01:23:33,018 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001871401] [2021-10-16 01:23:33,018 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-16 01:23:33,019 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 01:23:33,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-16 01:23:33,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-16 01:23:33,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-16 01:23:33,020 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-16 01:23:33,020 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.25) internal successors, (93), 4 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 01:23:33,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-16 01:23:33,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-16 01:23:33,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-16 01:23:33,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-16 01:23:33,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-16 01:23:33,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-16 01:23:33,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-16 01:23:33,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 01:23:33,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 01:23:33,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 01:23:33,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-16 01:23:33,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-16 01:23:33,063 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-16 01:23:33,063 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-16 01:23:33,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 01:23:33,064 INFO L82 PathProgramCache]: Analyzing trace with hash -2067503519, now seen corresponding path program 1 times [2021-10-16 01:23:33,064 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 01:23:33,064 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155720477] [2021-10-16 01:23:33,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 01:23:33,065 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 01:23:33,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 01:23:33,189 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-10-16 01:23:33,190 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 01:23:33,190 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [155720477] [2021-10-16 01:23:33,191 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [155720477] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 01:23:33,191 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 01:23:33,191 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-16 01:23:33,195 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175696911] [2021-10-16 01:23:33,197 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-16 01:23:33,197 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 01:23:33,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-16 01:23:33,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-16 01:23:33,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-16 01:23:33,198 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-16 01:23:33,198 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 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) [2021-10-16 01:23:33,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-16 01:23:33,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-16 01:23:33,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-16 01:23:33,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-16 01:23:33,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-16 01:23:33,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-16 01:23:33,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-16 01:23:33,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-16 01:23:33,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 01:23:33,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 01:23:33,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 01:23:33,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-16 01:23:33,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-16 01:23:33,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-16 01:23:33,250 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-16 01:23:33,250 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-16 01:23:33,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 01:23:33,251 INFO L82 PathProgramCache]: Analyzing trace with hash -1672998062, now seen corresponding path program 1 times [2021-10-16 01:23:33,251 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 01:23:33,251 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1830180548] [2021-10-16 01:23:33,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 01:23:33,252 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 01:23:33,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 01:23:33,499 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-16 01:23:33,500 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 01:23:33,500 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1830180548] [2021-10-16 01:23:33,500 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1830180548] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-16 01:23:33,500 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1185585392] [2021-10-16 01:23:33,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 01:23:33,501 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-16 01:23:33,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a9f962-771f-4d05-8791-24d822b5d062/bin/ugemcutter-qKN3xmkmp7/z3 [2021-10-16 01:23:33,506 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a9f962-771f-4d05-8791-24d822b5d062/bin/ugemcutter-qKN3xmkmp7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-16 01:23:33,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a9f962-771f-4d05-8791-24d822b5d062/bin/ugemcutter-qKN3xmkmp7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-10-16 01:23:33,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 01:23:33,606 INFO L263 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 19 conjunts are in the unsatisfiable core [2021-10-16 01:23:33,617 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 01:23:34,143 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-16 01:23:34,143 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1185585392] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-16 01:23:34,143 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-16 01:23:34,144 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7 [2021-10-16 01:23:34,144 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [749019047] [2021-10-16 01:23:34,144 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-16 01:23:34,145 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 01:23:34,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-16 01:23:34,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-10-16 01:23:34,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-16 01:23:34,146 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-16 01:23:34,146 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.0) internal successors, (105), 7 states have internal predecessors, (105), 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) [2021-10-16 01:23:34,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-16 01:23:34,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-16 01:23:34,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-16 01:23:34,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-16 01:23:34,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-16 01:23:34,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-16 01:23:34,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-16 01:23:34,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-16 01:23:34,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-16 01:23:34,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 01:23:34,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 01:23:34,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 01:23:34,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-16 01:23:34,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-16 01:23:34,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-16 01:23:34,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-16 01:23:34,274 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a9f962-771f-4d05-8791-24d822b5d062/bin/ugemcutter-qKN3xmkmp7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-10-16 01:23:34,453 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a9f962-771f-4d05-8791-24d822b5d062/bin/ugemcutter-qKN3xmkmp7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-16 01:23:34,453 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-16 01:23:34,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 01:23:34,454 INFO L82 PathProgramCache]: Analyzing trace with hash -893194543, now seen corresponding path program 2 times [2021-10-16 01:23:34,454 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 01:23:34,454 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1310458390] [2021-10-16 01:23:34,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 01:23:34,454 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 01:23:34,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 01:23:34,513 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-10-16 01:23:34,513 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 01:23:34,513 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1310458390] [2021-10-16 01:23:34,514 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1310458390] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 01:23:34,514 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 01:23:34,514 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-16 01:23:34,514 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494840653] [2021-10-16 01:23:34,515 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 01:23:34,515 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 01:23:34,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 01:23:34,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 01:23:34,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-16 01:23:34,516 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-16 01:23:34,516 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 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) [2021-10-16 01:23:34,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-16 01:23:34,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-16 01:23:34,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-16 01:23:34,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-16 01:23:34,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-16 01:23:34,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-16 01:23:34,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-16 01:23:34,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-16 01:23:34,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-16 01:23:34,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-16 01:23:34,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 01:23:34,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 01:23:34,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 01:23:34,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-16 01:23:34,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-16 01:23:34,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-16 01:23:34,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-16 01:23:34,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 01:23:34,571 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-16 01:23:34,572 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-16 01:23:34,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 01:23:34,573 INFO L82 PathProgramCache]: Analyzing trace with hash 642518200, now seen corresponding path program 3 times [2021-10-16 01:23:34,573 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 01:23:34,579 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1256126885] [2021-10-16 01:23:34,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 01:23:34,579 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 01:23:34,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 01:23:34,648 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-10-16 01:23:34,648 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 01:23:34,650 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1256126885] [2021-10-16 01:23:34,650 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1256126885] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 01:23:34,650 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 01:23:34,651 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-16 01:23:34,651 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101576497] [2021-10-16 01:23:34,651 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 01:23:34,651 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 01:23:34,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 01:23:34,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 01:23:34,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-16 01:23:34,652 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-16 01:23:34,652 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 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) [2021-10-16 01:23:34,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-16 01:23:34,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-16 01:23:34,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-16 01:23:34,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-16 01:23:34,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-16 01:23:34,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-16 01:23:34,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-16 01:23:34,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-16 01:23:34,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-16 01:23:34,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-16 01:23:34,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-16 01:23:34,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 01:23:34,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 01:23:34,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 01:23:34,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-16 01:23:34,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-16 01:23:34,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-16 01:23:34,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-16 01:23:34,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 01:23:34,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 01:23:34,710 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-16 01:23:34,711 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-16 01:23:34,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 01:23:34,711 INFO L82 PathProgramCache]: Analyzing trace with hash 1463975071, now seen corresponding path program 4 times [2021-10-16 01:23:34,712 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 01:23:34,712 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1715912718] [2021-10-16 01:23:34,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 01:23:34,713 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 01:23:34,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 01:23:34,763 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-10-16 01:23:34,763 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 01:23:34,763 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1715912718] [2021-10-16 01:23:34,763 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1715912718] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 01:23:34,764 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 01:23:34,764 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-16 01:23:34,764 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [499780402] [2021-10-16 01:23:34,765 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 01:23:34,765 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 01:23:34,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 01:23:34,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 01:23:34,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-16 01:23:34,766 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-16 01:23:34,766 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 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) [2021-10-16 01:23:34,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-16 01:23:34,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-16 01:23:34,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-16 01:23:34,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-16 01:23:34,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-16 01:23:34,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-16 01:23:34,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-16 01:23:34,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-16 01:23:34,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-16 01:23:34,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-16 01:23:34,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-16 01:23:34,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-16 01:23:34,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 01:23:34,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 01:23:34,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 01:23:34,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-16 01:23:34,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-16 01:23:34,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-16 01:23:34,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-16 01:23:34,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 01:23:34,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 01:23:34,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 01:23:34,804 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-16 01:23:34,805 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-16 01:23:34,805 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION [2021-10-16 01:23:34,805 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATION [2021-10-16 01:23:34,806 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-16 01:23:34,815 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-16 01:23:34,815 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-16 01:23:34,818 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 01:23:34 BasicIcfg [2021-10-16 01:23:34,818 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-16 01:23:34,819 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-16 01:23:34,819 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-16 01:23:34,820 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-16 01:23:34,820 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 01:23:31" (3/4) ... [2021-10-16 01:23:34,823 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-16 01:23:34,829 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2021-10-16 01:23:34,830 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2021-10-16 01:23:34,830 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2021-10-16 01:23:34,837 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2021-10-16 01:23:34,837 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-16 01:23:34,837 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-16 01:23:34,838 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-16 01:23:34,871 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a9f962-771f-4d05-8791-24d822b5d062/bin/ugemcutter-qKN3xmkmp7/witness.graphml [2021-10-16 01:23:34,872 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-16 01:23:34,873 INFO L168 Benchmark]: Toolchain (without parser) took 4870.67 ms. Allocated memory was 96.5 MB in the beginning and 142.6 MB in the end (delta: 46.1 MB). Free memory was 55.0 MB in the beginning and 70.0 MB in the end (delta: -15.0 MB). Peak memory consumption was 31.2 MB. Max. memory is 16.1 GB. [2021-10-16 01:23:34,874 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 96.5 MB. Free memory is still 71.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 01:23:34,874 INFO L168 Benchmark]: CACSL2BoogieTranslator took 421.60 ms. Allocated memory is still 96.5 MB. Free memory was 54.8 MB in the beginning and 71.0 MB in the end (delta: -16.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-16 01:23:34,875 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.90 ms. Allocated memory is still 96.5 MB. Free memory was 70.7 MB in the beginning and 69.3 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 01:23:34,875 INFO L168 Benchmark]: Boogie Preprocessor took 48.48 ms. Allocated memory is still 96.5 MB. Free memory was 69.3 MB in the beginning and 67.8 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-16 01:23:34,876 INFO L168 Benchmark]: RCFGBuilder took 561.56 ms. Allocated memory is still 96.5 MB. Free memory was 67.8 MB in the beginning and 54.0 MB in the end (delta: 13.9 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-16 01:23:34,876 INFO L168 Benchmark]: TraceAbstraction took 3725.96 ms. Allocated memory was 96.5 MB in the beginning and 142.6 MB in the end (delta: 46.1 MB). Free memory was 53.4 MB in the beginning and 73.2 MB in the end (delta: -19.8 MB). Peak memory consumption was 29.3 MB. Max. memory is 16.1 GB. [2021-10-16 01:23:34,877 INFO L168 Benchmark]: Witness Printer took 52.70 ms. Allocated memory is still 142.6 MB. Free memory was 73.2 MB in the beginning and 70.0 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-16 01:23:34,879 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 96.5 MB. Free memory is still 71.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 421.60 ms. Allocated memory is still 96.5 MB. Free memory was 54.8 MB in the beginning and 71.0 MB in the end (delta: -16.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 43.90 ms. Allocated memory is still 96.5 MB. Free memory was 70.7 MB in the beginning and 69.3 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 48.48 ms. Allocated memory is still 96.5 MB. Free memory was 69.3 MB in the beginning and 67.8 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 561.56 ms. Allocated memory is still 96.5 MB. Free memory was 67.8 MB in the beginning and 54.0 MB in the end (delta: 13.9 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 3725.96 ms. Allocated memory was 96.5 MB in the beginning and 142.6 MB in the end (delta: 46.1 MB). Free memory was 53.4 MB in the beginning and 73.2 MB in the end (delta: -19.8 MB). Peak memory consumption was 29.3 MB. Max. memory is 16.1 GB. * Witness Printer took 52.70 ms. Allocated memory is still 142.6 MB. Free memory was 73.2 MB in the beginning and 70.0 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 13049, positive: 10154, positive conditional: 7619, positive unconditional: 2535, negative: 2895, negative conditional: 2892, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10157, positive: 10154, positive conditional: 7619, positive unconditional: 2535, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 10157, positive: 10154, positive conditional: 7619, positive unconditional: 2535, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10157, positive: 10154, positive conditional: 6875, positive unconditional: 3279, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 10157, positive: 10154, positive conditional: 1519, positive unconditional: 8635, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 10157, positive: 10154, positive conditional: 1519, positive unconditional: 8635, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2392, positive: 2389, positive conditional: 0, positive unconditional: 2389, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2392, positive: 2377, positive conditional: 0, positive unconditional: 2377, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 15, positive: 12, positive conditional: 0, positive unconditional: 12, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 109, positive: 45, positive conditional: 0, positive unconditional: 45, negative: 64, negative conditional: 0, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 10157, positive: 7765, positive conditional: 1519, positive unconditional: 6246, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 2392, unknown conditional: 0, unknown unconditional: 2392] , Statistics on independence cache: Total cache size (in pairs): 2392, Positive cache size: 2389, Positive conditional cache size: 0, Positive unconditional cache size: 2389, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3, Eliminated conditions: 5356, Maximal queried relation: 0, Independence queries for same thread: 2892 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 198, Number of persistent set computation: 94, Number of trivial persistent sets: 43, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2538, positive: 2535, positive conditional: 0, positive unconditional: 2535, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 13049, positive: 10154, positive conditional: 7619, positive unconditional: 2535, negative: 2895, negative conditional: 2892, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10157, positive: 10154, positive conditional: 7619, positive unconditional: 2535, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 10157, positive: 10154, positive conditional: 7619, positive unconditional: 2535, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10157, positive: 10154, positive conditional: 6875, positive unconditional: 3279, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 10157, positive: 10154, positive conditional: 1519, positive unconditional: 8635, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 10157, positive: 10154, positive conditional: 1519, positive unconditional: 8635, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2392, positive: 2389, positive conditional: 0, positive unconditional: 2389, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2392, positive: 2377, positive conditional: 0, positive unconditional: 2377, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 15, positive: 12, positive conditional: 0, positive unconditional: 12, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 109, positive: 45, positive conditional: 0, positive unconditional: 45, negative: 64, negative conditional: 0, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 10157, positive: 7765, positive conditional: 1519, positive unconditional: 6246, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 2392, unknown conditional: 0, unknown unconditional: 2392] , Statistics on independence cache: Total cache size (in pairs): 2392, Positive cache size: 2389, Positive conditional cache size: 0, Positive unconditional cache size: 2389, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3, Eliminated conditions: 5356, Maximal queried relation: 0, Independence queries for same thread: 2892 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 119]: 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 7 procedures, 150 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 3569.4ms, OverallIterations: 11, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 18.9ms, PartialOrderReductionTime: 828.5ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 41, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 78.5ms SsaConstructionTime, 541.7ms SatisfiabilityAnalysisTime, 1461.5ms InterpolantComputationTime, 1114 NumberOfCodeBlocks, 1114 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1102 ConstructedInterpolants, 0 QuantifiedInterpolants, 1979 SizeOfPredicates, 2 NumberOfNonLiveVariables, 234 ConjunctsInSsa, 19 ConjunctsInUnsatCore, 12 InterpolantComputations, 10 PerfectInterpolantSequences, 117/147 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! [2021-10-16 01:23:34,930 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a9f962-771f-4d05-8791-24d822b5d062/bin/ugemcutter-qKN3xmkmp7/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2021-10-16 01:23:35,126 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a9f962-771f-4d05-8791-24d822b5d062/bin/ugemcutter-qKN3xmkmp7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...