./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/safe025_pso.oepc_pso.opt_tso.oepc_tso.opt.i --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_a8c79e93-5172-4908-9cd5-3be53b68fb86/bin/ugemcutter-qKN3xmkmp7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8c79e93-5172-4908-9cd5-3be53b68fb86/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_a8c79e93-5172-4908-9cd5-3be53b68fb86/bin/ugemcutter-qKN3xmkmp7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8c79e93-5172-4908-9cd5-3be53b68fb86/bin/ugemcutter-qKN3xmkmp7/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe025_pso.oepc_pso.opt_tso.oepc_tso.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8c79e93-5172-4908-9cd5-3be53b68fb86/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_a8c79e93-5172-4908-9cd5-3be53b68fb86/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 fad4c4031be6f783950a35d6336e62a49fe71ec7 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 01:24:09,519 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-16 01:24:09,522 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-16 01:24:09,557 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-16 01:24:09,558 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-16 01:24:09,559 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-16 01:24:09,561 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-16 01:24:09,564 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-16 01:24:09,566 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-16 01:24:09,568 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-16 01:24:09,569 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-16 01:24:09,570 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-16 01:24:09,571 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-16 01:24:09,572 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-16 01:24:09,574 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-16 01:24:09,576 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-16 01:24:09,577 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-16 01:24:09,578 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-16 01:24:09,581 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-16 01:24:09,590 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-16 01:24:09,603 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-16 01:24:09,604 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-16 01:24:09,606 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-16 01:24:09,607 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-16 01:24:09,611 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-16 01:24:09,620 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-16 01:24:09,620 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-16 01:24:09,622 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-16 01:24:09,622 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-16 01:24:09,623 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-16 01:24:09,624 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-16 01:24:09,625 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-16 01:24:09,628 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-16 01:24:09,629 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-16 01:24:09,631 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-16 01:24:09,634 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-16 01:24:09,635 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-16 01:24:09,636 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-16 01:24:09,636 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 01:24:09,638 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 01:24:09,639 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 01:24:09,640 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8c79e93-5172-4908-9cd5-3be53b68fb86/bin/ugemcutter-qKN3xmkmp7/config/svcomp-Reach-32bit-GemCutter_Default.epf [2021-10-16 01:24:09,687 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 01:24:09,688 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 01:24:09,688 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-16 01:24:09,689 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-16 01:24:09,690 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-16 01:24:09,691 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-16 01:24:09,691 INFO L138 SettingsManager]: * Use SBE=true [2021-10-16 01:24:09,691 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 01:24:09,691 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-16 01:24:09,692 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-16 01:24:09,693 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-16 01:24:09,693 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 01:24:09,693 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-16 01:24:09,693 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 01:24:09,694 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-16 01:24:09,694 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-16 01:24:09,694 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-16 01:24:09,694 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 01:24:09,695 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-16 01:24:09,695 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 01:24:09,695 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-16 01:24:09,695 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-10-16 01:24:09,696 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 01:24:09,696 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 01:24:09,696 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 01:24:09,696 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 01:24:09,697 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-16 01:24:09,697 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-16 01:24:09,697 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-16 01:24:09,697 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-16 01:24:09,697 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-10-16 01:24:09,698 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-16 01:24:09,698 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-10-16 01:24:09,698 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-10-16 01:24:09,699 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_a8c79e93-5172-4908-9cd5-3be53b68fb86/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8c79e93-5172-4908-9cd5-3be53b68fb86/bin/ugemcutter-qKN3xmkmp7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fad4c4031be6f783950a35d6336e62a49fe71ec7 [2021-10-16 01:24:09,966 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 01:24:09,990 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 01:24:09,992 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 01:24:09,994 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 01:24:09,995 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 01:24:09,996 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8c79e93-5172-4908-9cd5-3be53b68fb86/bin/ugemcutter-qKN3xmkmp7/../../sv-benchmarks/c/pthread-wmm/safe025_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2021-10-16 01:24:10,068 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8c79e93-5172-4908-9cd5-3be53b68fb86/bin/ugemcutter-qKN3xmkmp7/data/743471ba0/d6f52cd7b6c149788eda478e1b9cf5aa/FLAGe6db4fcbe [2021-10-16 01:24:10,701 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 01:24:10,701 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8c79e93-5172-4908-9cd5-3be53b68fb86/sv-benchmarks/c/pthread-wmm/safe025_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2021-10-16 01:24:10,729 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8c79e93-5172-4908-9cd5-3be53b68fb86/bin/ugemcutter-qKN3xmkmp7/data/743471ba0/d6f52cd7b6c149788eda478e1b9cf5aa/FLAGe6db4fcbe [2021-10-16 01:24:10,990 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8c79e93-5172-4908-9cd5-3be53b68fb86/bin/ugemcutter-qKN3xmkmp7/data/743471ba0/d6f52cd7b6c149788eda478e1b9cf5aa [2021-10-16 01:24:10,998 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 01:24:11,000 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-16 01:24:11,003 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 01:24:11,003 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 01:24:11,007 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 01:24:11,008 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:24:10" (1/1) ... [2021-10-16 01:24:11,012 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68875ecc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:24:11, skipping insertion in model container [2021-10-16 01:24:11,012 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:24:10" (1/1) ... [2021-10-16 01:24:11,020 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 01:24:11,060 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 01:24:11,251 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_a8c79e93-5172-4908-9cd5-3be53b68fb86/sv-benchmarks/c/pthread-wmm/safe025_pso.oepc_pso.opt_tso.oepc_tso.opt.i[975,988] [2021-10-16 01:24:11,421 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 01:24:11,430 INFO L203 MainTranslator]: Completed pre-run [2021-10-16 01:24:11,443 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_a8c79e93-5172-4908-9cd5-3be53b68fb86/sv-benchmarks/c/pthread-wmm/safe025_pso.oepc_pso.opt_tso.oepc_tso.opt.i[975,988] [2021-10-16 01:24:11,474 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 01:24:11,512 INFO L208 MainTranslator]: Completed translation [2021-10-16 01:24:11,512 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:24:11 WrapperNode [2021-10-16 01:24:11,513 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 01:24:11,514 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-16 01:24:11,514 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-16 01:24:11,514 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-16 01:24:11,523 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:24:11" (1/1) ... [2021-10-16 01:24:11,537 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:24:11" (1/1) ... [2021-10-16 01:24:11,560 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-16 01:24:11,561 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-16 01:24:11,561 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-16 01:24:11,561 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-16 01:24:11,569 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:24:11" (1/1) ... [2021-10-16 01:24:11,570 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:24:11" (1/1) ... [2021-10-16 01:24:11,573 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:24:11" (1/1) ... [2021-10-16 01:24:11,574 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:24:11" (1/1) ... [2021-10-16 01:24:11,580 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:24:11" (1/1) ... [2021-10-16 01:24:11,582 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:24:11" (1/1) ... [2021-10-16 01:24:11,584 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:24:11" (1/1) ... [2021-10-16 01:24:11,587 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-16 01:24:11,588 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-16 01:24:11,588 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-16 01:24:11,588 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-16 01:24:11,589 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:24:11" (1/1) ... [2021-10-16 01:24:11,597 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 01:24:11,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8c79e93-5172-4908-9cd5-3be53b68fb86/bin/ugemcutter-qKN3xmkmp7/z3 [2021-10-16 01:24:11,624 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8c79e93-5172-4908-9cd5-3be53b68fb86/bin/ugemcutter-qKN3xmkmp7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-16 01:24:11,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8c79e93-5172-4908-9cd5-3be53b68fb86/bin/ugemcutter-qKN3xmkmp7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-16 01:24:11,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-16 01:24:11,671 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-10-16 01:24:11,671 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-16 01:24:11,671 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-16 01:24:11,671 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-10-16 01:24:11,672 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-10-16 01:24:11,672 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-10-16 01:24:11,672 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-10-16 01:24:11,672 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-10-16 01:24:11,673 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-10-16 01:24:11,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-16 01:24:11,673 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-10-16 01:24:11,673 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-16 01:24:11,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-16 01:24:11,675 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 01:24:12,031 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-16 01:24:12,032 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-10-16 01:24:12,034 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 01:24:12 BoogieIcfgContainer [2021-10-16 01:24:12,034 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-16 01:24:12,036 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-16 01:24:12,037 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-16 01:24:12,040 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-16 01:24:12,041 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 01:24:10" (1/3) ... [2021-10-16 01:24:12,041 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bf25466 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 01:24:12, skipping insertion in model container [2021-10-16 01:24:12,042 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:24:11" (2/3) ... [2021-10-16 01:24:12,042 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bf25466 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 01:24:12, skipping insertion in model container [2021-10-16 01:24:12,042 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 01:24:12" (3/3) ... [2021-10-16 01:24:12,044 INFO L111 eAbstractionObserver]: Analyzing ICFG safe025_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2021-10-16 01:24:12,050 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-16 01:24:12,050 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-16 01:24:12,050 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-16 01:24:12,051 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-16 01:24:12,081 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:24:12,081 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:24:12,081 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:24:12,081 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:24:12,082 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:24:12,082 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:24:12,082 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:24:12,082 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:24:12,083 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:24:12,083 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:24:12,083 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:24:12,084 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:24:12,084 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:24:12,084 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:24:12,085 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:24:12,085 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:24:12,085 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:24:12,085 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:24:12,085 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:24:12,085 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:24:12,086 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:24:12,086 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:24:12,086 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:24:12,086 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:24:12,087 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:24:12,087 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:24:12,087 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:24:12,087 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:24:12,088 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:24:12,088 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:24:12,088 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:24:12,088 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:24:12,089 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:24:12,089 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:24:12,089 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:24:12,089 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:24:12,093 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:24:12,093 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:24:12,093 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:24:12,094 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:24:12,099 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:24:12,099 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:24:12,099 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:24:12,099 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:24:12,102 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:24:12,103 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:24:12,103 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:24:12,103 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 01:24:12,105 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-10-16 01:24:12,155 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-10-16 01:24:12,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8c79e93-5172-4908-9cd5-3be53b68fb86/bin/ugemcutter-qKN3xmkmp7/z3 [2021-10-16 01:24:12,160 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8c79e93-5172-4908-9cd5-3be53b68fb86/bin/ugemcutter-qKN3xmkmp7/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-10-16 01:24:12,180 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8c79e93-5172-4908-9cd5-3be53b68fb86/bin/ugemcutter-qKN3xmkmp7/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-10-16 01:24:12,222 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-10-16 01:24:12,231 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 01:24:12,231 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-10-16 01:24:12,449 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 01:24:12,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 01:24:12,464 INFO L82 PathProgramCache]: Analyzing trace with hash -314101365, now seen corresponding path program 1 times [2021-10-16 01:24:12,474 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 01:24:12,474 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [32048978] [2021-10-16 01:24:12,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 01:24:12,475 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 01:24:12,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 01:24:12,743 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 01:24:12,744 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 01:24:12,744 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [32048978] [2021-10-16 01:24:12,745 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [32048978] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 01:24:12,745 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 01:24:12,746 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-16 01:24:12,747 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712799692] [2021-10-16 01:24:12,753 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-16 01:24:12,753 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 01:24:12,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-16 01:24:12,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-16 01:24:12,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-16 01:24:12,770 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-16 01:24:12,771 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 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 01:24:12,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-16 01:24:12,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-16 01:24:12,788 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-16 01:24:12,789 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 01:24:12,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 01:24:12,790 INFO L82 PathProgramCache]: Analyzing trace with hash -206144659, now seen corresponding path program 1 times [2021-10-16 01:24:12,790 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 01:24:12,790 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1104656829] [2021-10-16 01:24:12,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 01:24:12,791 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 01:24:12,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 01:24:13,105 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 01:24:13,106 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 01:24:13,106 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1104656829] [2021-10-16 01:24:13,107 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1104656829] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 01:24:13,107 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 01:24:13,112 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-16 01:24:13,113 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633683226] [2021-10-16 01:24:13,116 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-16 01:24:13,117 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 01:24:13,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-16 01:24:13,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-16 01:24:13,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-16 01:24:13,119 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-16 01:24:13,120 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 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 01:24:13,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-16 01:24:13,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-16 01:24:13,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-16 01:24:13,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-16 01:24:13,321 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-16 01:24:13,321 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 01:24:13,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 01:24:13,322 INFO L82 PathProgramCache]: Analyzing trace with hash 734525428, now seen corresponding path program 1 times [2021-10-16 01:24:13,322 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 01:24:13,322 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113841582] [2021-10-16 01:24:13,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 01:24:13,323 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 01:24:13,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 01:24:13,542 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 01:24:13,542 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 01:24:13,543 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1113841582] [2021-10-16 01:24:13,543 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1113841582] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 01:24:13,543 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 01:24:13,543 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-16 01:24:13,543 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1097859534] [2021-10-16 01:24:13,544 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-16 01:24:13,544 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 01:24:13,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-16 01:24:13,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-16 01:24:13,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-16 01:24:13,545 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-16 01:24:13,546 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 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 01:24:13,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-16 01:24:13,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-16 01:24:13,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-16 01:24:13,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-16 01:24:13,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-16 01:24:13,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-16 01:24:13,705 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-16 01:24:13,706 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 01:24:13,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 01:24:13,706 INFO L82 PathProgramCache]: Analyzing trace with hash 321952330, now seen corresponding path program 2 times [2021-10-16 01:24:13,707 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 01:24:13,707 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1715800672] [2021-10-16 01:24:13,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 01:24:13,707 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 01:24:13,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 01:24:13,881 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 01:24:13,881 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 01:24:13,882 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1715800672] [2021-10-16 01:24:13,882 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1715800672] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 01:24:13,882 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 01:24:13,882 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-10-16 01:24:13,888 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287697759] [2021-10-16 01:24:13,889 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-16 01:24:13,889 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 01:24:13,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-16 01:24:13,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-16 01:24:13,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-16 01:24:13,893 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-16 01:24:13,893 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 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 01:24:13,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-16 01:24:13,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-16 01:24:13,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-16 01:24:13,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-16 01:24:14,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-16 01:24:14,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-16 01:24:14,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-16 01:24:14,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-16 01:24:14,031 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-16 01:24:14,032 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 01:24:14,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 01:24:14,034 INFO L82 PathProgramCache]: Analyzing trace with hash -1340746139, now seen corresponding path program 1 times [2021-10-16 01:24:14,036 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 01:24:14,037 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1838369436] [2021-10-16 01:24:14,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 01:24:14,038 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 01:24:14,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 01:24:14,165 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 01:24:14,166 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 01:24:14,166 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1838369436] [2021-10-16 01:24:14,166 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1838369436] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 01:24:14,167 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 01:24:14,167 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-16 01:24:14,167 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1272350675] [2021-10-16 01:24:14,167 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-16 01:24:14,168 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 01:24:14,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-16 01:24:14,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-10-16 01:24:14,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-16 01:24:14,169 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-16 01:24:14,169 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 7 states have internal predecessors, (65), 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 01:24:14,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-16 01:24:14,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-16 01:24:14,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-16 01:24:14,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-16 01:24:14,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-16 01:24:14,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-16 01:24:14,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-16 01:24:14,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-16 01:24:14,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-16 01:24:14,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-16 01:24:14,457 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-16 01:24:14,457 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 01:24:14,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 01:24:14,458 INFO L82 PathProgramCache]: Analyzing trace with hash -1375859913, now seen corresponding path program 2 times [2021-10-16 01:24:14,458 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 01:24:14,459 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1191564707] [2021-10-16 01:24:14,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 01:24:14,459 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 01:24:14,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 01:24:14,701 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 01:24:14,701 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 01:24:14,702 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1191564707] [2021-10-16 01:24:14,702 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1191564707] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 01:24:14,706 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 01:24:14,706 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-16 01:24:14,706 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1730405594] [2021-10-16 01:24:14,707 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-16 01:24:14,707 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 01:24:14,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-16 01:24:14,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-10-16 01:24:14,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-16 01:24:14,709 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-16 01:24:14,709 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 7 states have internal predecessors, (65), 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 01:24:14,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-16 01:24:14,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-16 01:24:14,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-16 01:24:14,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-16 01:24:14,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-16 01:24:14,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-16 01:24:14,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-16 01:24:14,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-16 01:24:14,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-16 01:24:14,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-16 01:24:14,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-16 01:24:14,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-16 01:24:14,933 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-16 01:24:14,933 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 01:24:14,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 01:24:14,933 INFO L82 PathProgramCache]: Analyzing trace with hash 699859511, now seen corresponding path program 3 times [2021-10-16 01:24:14,934 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 01:24:14,934 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [498090177] [2021-10-16 01:24:14,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 01:24:14,934 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 01:24:14,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 01:24:15,083 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 01:24:15,083 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 01:24:15,083 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [498090177] [2021-10-16 01:24:15,084 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [498090177] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 01:24:15,084 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 01:24:15,084 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-10-16 01:24:15,084 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472268555] [2021-10-16 01:24:15,085 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-16 01:24:15,085 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 01:24:15,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-16 01:24:15,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-10-16 01:24:15,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-16 01:24:15,086 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-16 01:24:15,086 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.125) internal successors, (65), 8 states have internal predecessors, (65), 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 01:24:15,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-16 01:24:15,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-16 01:24:15,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-16 01:24:15,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-16 01:24:15,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-16 01:24:15,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-16 01:24:15,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-16 01:24:15,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-16 01:24:15,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-16 01:24:15,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-16 01:24:15,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-16 01:24:15,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-16 01:24:15,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-16 01:24:15,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-16 01:24:15,204 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-16 01:24:15,204 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 01:24:15,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 01:24:15,205 INFO L82 PathProgramCache]: Analyzing trace with hash -41911659, now seen corresponding path program 4 times [2021-10-16 01:24:15,205 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 01:24:15,205 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1048848328] [2021-10-16 01:24:15,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 01:24:15,205 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 01:24:15,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 01:24:15,347 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 01:24:15,348 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 01:24:15,348 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1048848328] [2021-10-16 01:24:15,348 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1048848328] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 01:24:15,348 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 01:24:15,348 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-10-16 01:24:15,348 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886967718] [2021-10-16 01:24:15,349 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-16 01:24:15,349 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 01:24:15,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-16 01:24:15,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-10-16 01:24:15,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-16 01:24:15,350 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-16 01:24:15,350 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.125) internal successors, (65), 8 states have internal predecessors, (65), 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 01:24:15,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-16 01:24:15,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-16 01:24:15,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-16 01:24:15,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-16 01:24:15,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-16 01:24:15,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-16 01:24:15,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-16 01:24:15,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-16 01:24:15,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-16 01:24:15,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-16 01:24:15,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-16 01:24:15,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-16 01:24:15,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-16 01:24:15,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-16 01:24:15,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-16 01:24:15,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-16 01:24:15,483 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-16 01:24:15,484 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-16 01:24:15,484 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION [2021-10-16 01:24:15,484 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATION [2021-10-16 01:24:15,485 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-16 01:24:15,494 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-16 01:24:15,494 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-16 01:24:15,496 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 01:24:15 BasicIcfg [2021-10-16 01:24:15,496 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-16 01:24:15,497 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-16 01:24:15,497 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-16 01:24:15,497 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-16 01:24:15,498 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 01:24:12" (3/4) ... [2021-10-16 01:24:15,501 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-16 01:24:15,508 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2021-10-16 01:24:15,508 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2021-10-16 01:24:15,508 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2021-10-16 01:24:15,512 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2021-10-16 01:24:15,513 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-16 01:24:15,513 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-16 01:24:15,513 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-16 01:24:15,547 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8c79e93-5172-4908-9cd5-3be53b68fb86/bin/ugemcutter-qKN3xmkmp7/witness.graphml [2021-10-16 01:24:15,548 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-16 01:24:15,549 INFO L168 Benchmark]: Toolchain (without parser) took 4548.59 ms. Allocated memory was 115.3 MB in the beginning and 140.5 MB in the end (delta: 25.2 MB). Free memory was 72.8 MB in the beginning and 104.2 MB in the end (delta: -31.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 01:24:15,549 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 115.3 MB. Free memory is still 90.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 01:24:15,550 INFO L168 Benchmark]: CACSL2BoogieTranslator took 510.49 ms. Allocated memory is still 115.3 MB. Free memory was 72.6 MB in the beginning and 78.7 MB in the end (delta: -6.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-16 01:24:15,550 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.13 ms. Allocated memory is still 115.3 MB. Free memory was 78.7 MB in the beginning and 76.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-16 01:24:15,551 INFO L168 Benchmark]: Boogie Preprocessor took 26.42 ms. Allocated memory is still 115.3 MB. Free memory was 76.7 MB in the beginning and 75.2 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 01:24:15,551 INFO L168 Benchmark]: RCFGBuilder took 446.64 ms. Allocated memory is still 115.3 MB. Free memory was 75.2 MB in the beginning and 63.2 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-16 01:24:15,552 INFO L168 Benchmark]: TraceAbstraction took 3460.05 ms. Allocated memory was 115.3 MB in the beginning and 140.5 MB in the end (delta: 25.2 MB). Free memory was 62.7 MB in the beginning and 107.3 MB in the end (delta: -44.6 MB). Peak memory consumption was 51.7 MB. Max. memory is 16.1 GB. [2021-10-16 01:24:15,552 INFO L168 Benchmark]: Witness Printer took 50.60 ms. Allocated memory is still 140.5 MB. Free memory was 106.3 MB in the beginning and 104.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-16 01:24:15,554 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 115.3 MB. Free memory is still 90.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 510.49 ms. Allocated memory is still 115.3 MB. Free memory was 72.6 MB in the beginning and 78.7 MB in the end (delta: -6.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 46.13 ms. Allocated memory is still 115.3 MB. Free memory was 78.7 MB in the beginning and 76.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 26.42 ms. Allocated memory is still 115.3 MB. Free memory was 76.7 MB in the beginning and 75.2 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 446.64 ms. Allocated memory is still 115.3 MB. Free memory was 75.2 MB in the beginning and 63.2 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 3460.05 ms. Allocated memory was 115.3 MB in the beginning and 140.5 MB in the end (delta: 25.2 MB). Free memory was 62.7 MB in the beginning and 107.3 MB in the end (delta: -44.6 MB). Peak memory consumption was 51.7 MB. Max. memory is 16.1 GB. * Witness Printer took 50.60 ms. Allocated memory is still 140.5 MB. Free memory was 106.3 MB in the beginning and 104.2 MB in the end (delta: 2.1 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: 7184, positive: 6936, positive conditional: 5791, positive unconditional: 1145, negative: 248, negative conditional: 220, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7139, positive: 6936, positive conditional: 5791, positive unconditional: 1145, negative: 203, negative conditional: 175, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 7139, positive: 6936, positive conditional: 5791, positive unconditional: 1145, negative: 203, negative conditional: 175, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8322, positive: 6936, positive conditional: 5533, positive unconditional: 1403, negative: 1386, negative conditional: 1183, negative unconditional: 203, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 8322, positive: 6936, positive conditional: 1312, positive unconditional: 5624, negative: 1386, negative conditional: 128, negative unconditional: 1258, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 8322, positive: 6936, positive conditional: 1312, positive unconditional: 5624, negative: 1386, negative conditional: 128, negative unconditional: 1258, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1194, positive: 1155, positive conditional: 10, positive unconditional: 1145, negative: 39, negative conditional: 11, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1194, positive: 1139, positive conditional: 0, positive unconditional: 1139, negative: 55, negative conditional: 0, negative unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 55, positive: 16, positive conditional: 10, positive unconditional: 6, negative: 39, negative conditional: 11, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 162, positive: 42, positive conditional: 30, positive unconditional: 12, negative: 120, negative conditional: 16, negative unconditional: 104, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 8322, positive: 5781, positive conditional: 1302, positive unconditional: 4479, negative: 1347, negative conditional: 117, negative unconditional: 1230, unknown: 1194, unknown conditional: 21, unknown unconditional: 1173] , Statistics on independence cache: Total cache size (in pairs): 1194, Positive cache size: 1155, Positive conditional cache size: 10, Positive unconditional cache size: 1145, Negative cache size: 39, Negative conditional cache size: 11, Negative unconditional cache size: 28, Eliminated conditions: 5276, Maximal queried relation: 6, Independence queries for same thread: 45 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 291, Number of persistent set computation: 413, Number of trivial persistent sets: 233, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1173, positive: 1145, positive conditional: 0, positive unconditional: 1145, negative: 28, negative conditional: 0, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 7184, positive: 6936, positive conditional: 5791, positive unconditional: 1145, negative: 248, negative conditional: 220, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7139, positive: 6936, positive conditional: 5791, positive unconditional: 1145, negative: 203, negative conditional: 175, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 7139, positive: 6936, positive conditional: 5791, positive unconditional: 1145, negative: 203, negative conditional: 175, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8322, positive: 6936, positive conditional: 5533, positive unconditional: 1403, negative: 1386, negative conditional: 1183, negative unconditional: 203, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 8322, positive: 6936, positive conditional: 1312, positive unconditional: 5624, negative: 1386, negative conditional: 128, negative unconditional: 1258, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 8322, positive: 6936, positive conditional: 1312, positive unconditional: 5624, negative: 1386, negative conditional: 128, negative unconditional: 1258, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1194, positive: 1155, positive conditional: 10, positive unconditional: 1145, negative: 39, negative conditional: 11, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1194, positive: 1139, positive conditional: 0, positive unconditional: 1139, negative: 55, negative conditional: 0, negative unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 55, positive: 16, positive conditional: 10, positive unconditional: 6, negative: 39, negative conditional: 11, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 162, positive: 42, positive conditional: 30, positive unconditional: 12, negative: 120, negative conditional: 16, negative unconditional: 104, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 8322, positive: 5781, positive conditional: 1302, positive unconditional: 4479, negative: 1347, negative conditional: 117, negative unconditional: 1230, unknown: 1194, unknown conditional: 21, unknown unconditional: 1173] , Statistics on independence cache: Total cache size (in pairs): 1194, Positive cache size: 1155, Positive conditional cache size: 10, Positive unconditional cache size: 1145, Negative cache size: 39, Negative conditional cache size: 11, Negative unconditional cache size: 28, Eliminated conditions: 5276, Maximal queried relation: 6, Independence queries for same thread: 45 - 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: 18]: 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, 107 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 3340.5ms, OverallIterations: 8, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 26.2ms, PartialOrderReductionTime: 1456.5ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 55, 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: 49.1ms SsaConstructionTime, 257.0ms SatisfiabilityAnalysisTime, 1157.4ms InterpolantComputationTime, 485 NumberOfCodeBlocks, 485 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 477 ConstructedInterpolants, 0 QuantifiedInterpolants, 1528 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2021-10-16 01:24:15,602 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8c79e93-5172-4908-9cd5-3be53b68fb86/bin/ugemcutter-qKN3xmkmp7/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2021-10-16 01:24:15,813 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8c79e93-5172-4908-9cd5-3be53b68fb86/bin/ugemcutter-qKN3xmkmp7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...