./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/goblint-regression/13-privatized_48-pfscan_protected_loop_minimal_unknown_1_neg.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfc8359f-dd4b-4f5c-ae5c-816faad351df/bin/ugemcutter-riF8PgGdml/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfc8359f-dd4b-4f5c-ae5c-816faad351df/bin/ugemcutter-riF8PgGdml/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfc8359f-dd4b-4f5c-ae5c-816faad351df/bin/ugemcutter-riF8PgGdml/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfc8359f-dd4b-4f5c-ae5c-816faad351df/bin/ugemcutter-riF8PgGdml/config/GemCutterReach.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_48-pfscan_protected_loop_minimal_unknown_1_neg.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfc8359f-dd4b-4f5c-ae5c-816faad351df/bin/ugemcutter-riF8PgGdml/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfc8359f-dd4b-4f5c-ae5c-816faad351df/bin/ugemcutter-riF8PgGdml --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 511b3daaf5c37b74f668350c5fceffcff6ce49bc8f6230fc3c743ddf5509148d ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 02:49:34,350 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 02:49:34,353 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 02:49:34,412 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 02:49:34,413 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 02:49:34,417 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 02:49:34,419 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 02:49:34,423 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 02:49:34,426 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 02:49:34,432 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 02:49:34,433 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 02:49:34,435 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 02:49:34,435 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 02:49:34,438 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 02:49:34,440 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 02:49:34,445 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 02:49:34,446 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 02:49:34,448 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 02:49:34,451 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 02:49:34,461 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 02:49:34,464 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 02:49:34,465 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 02:49:34,467 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 02:49:34,468 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 02:49:34,472 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 02:49:34,472 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 02:49:34,473 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 02:49:34,474 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 02:49:34,474 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 02:49:34,476 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 02:49:34,476 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 02:49:34,477 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 02:49:34,478 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 02:49:34,479 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 02:49:34,480 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 02:49:34,481 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 02:49:34,481 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 02:49:34,482 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 02:49:34,482 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 02:49:34,483 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 02:49:34,484 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 02:49:34,485 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfc8359f-dd4b-4f5c-ae5c-816faad351df/bin/ugemcutter-riF8PgGdml/config/svcomp-Reach-32bit-GemCutter_Default.epf [2021-10-29 02:49:34,508 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 02:49:34,508 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 02:49:34,509 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-29 02:49:34,509 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-29 02:49:34,510 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 02:49:34,510 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 02:49:34,511 INFO L138 SettingsManager]: * Use SBE=true [2021-10-29 02:49:34,511 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 02:49:34,511 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 02:49:34,511 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 02:49:34,512 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 02:49:34,512 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 02:49:34,512 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 02:49:34,512 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 02:49:34,513 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 02:49:34,513 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 02:49:34,513 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 02:49:34,513 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 02:49:34,514 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 02:49:34,514 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 02:49:34,514 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-29 02:49:34,514 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-10-29 02:49:34,515 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 02:49:34,515 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 02:49:34,515 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 02:49:34,516 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 02:49:34,516 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 02:49:34,516 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-29 02:49:34,516 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 02:49:34,516 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-29 02:49:34,517 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-10-29 02:49:34,517 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 02:49:34,517 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-10-29 02:49:34,517 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-10-29 02:49:34,518 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_cfc8359f-dd4b-4f5c-ae5c-816faad351df/bin/ugemcutter-riF8PgGdml/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfc8359f-dd4b-4f5c-ae5c-816faad351df/bin/ugemcutter-riF8PgGdml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 511b3daaf5c37b74f668350c5fceffcff6ce49bc8f6230fc3c743ddf5509148d [2021-10-29 02:49:34,756 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 02:49:34,781 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 02:49:34,785 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 02:49:34,786 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 02:49:34,788 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 02:49:34,790 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfc8359f-dd4b-4f5c-ae5c-816faad351df/bin/ugemcutter-riF8PgGdml/../../sv-benchmarks/c/goblint-regression/13-privatized_48-pfscan_protected_loop_minimal_unknown_1_neg.i [2021-10-29 02:49:34,854 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfc8359f-dd4b-4f5c-ae5c-816faad351df/bin/ugemcutter-riF8PgGdml/data/f36f77749/c414fcc3e15744e886a44bc73bdfd63d/FLAGca70e9076 [2021-10-29 02:49:35,493 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 02:49:35,494 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfc8359f-dd4b-4f5c-ae5c-816faad351df/sv-benchmarks/c/goblint-regression/13-privatized_48-pfscan_protected_loop_minimal_unknown_1_neg.i [2021-10-29 02:49:35,509 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfc8359f-dd4b-4f5c-ae5c-816faad351df/bin/ugemcutter-riF8PgGdml/data/f36f77749/c414fcc3e15744e886a44bc73bdfd63d/FLAGca70e9076 [2021-10-29 02:49:35,752 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfc8359f-dd4b-4f5c-ae5c-816faad351df/bin/ugemcutter-riF8PgGdml/data/f36f77749/c414fcc3e15744e886a44bc73bdfd63d [2021-10-29 02:49:35,754 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 02:49:35,755 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 02:49:35,757 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 02:49:35,757 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 02:49:35,768 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 02:49:35,769 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 02:49:35" (1/1) ... [2021-10-29 02:49:35,773 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2578234 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:49:35, skipping insertion in model container [2021-10-29 02:49:35,774 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 02:49:35" (1/1) ... [2021-10-29 02:49:35,780 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 02:49:35,831 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 02:49:36,013 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_cfc8359f-dd4b-4f5c-ae5c-816faad351df/sv-benchmarks/c/goblint-regression/13-privatized_48-pfscan_protected_loop_minimal_unknown_1_neg.i[853,866] [2021-10-29 02:49:36,154 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 02:49:36,165 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 02:49:36,177 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_cfc8359f-dd4b-4f5c-ae5c-816faad351df/sv-benchmarks/c/goblint-regression/13-privatized_48-pfscan_protected_loop_minimal_unknown_1_neg.i[853,866] [2021-10-29 02:49:36,216 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 02:49:36,271 INFO L208 MainTranslator]: Completed translation [2021-10-29 02:49:36,271 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:49:36 WrapperNode [2021-10-29 02:49:36,272 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 02:49:36,273 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 02:49:36,273 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 02:49:36,273 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 02:49:36,281 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:49:36" (1/1) ... [2021-10-29 02:49:36,298 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:49:36" (1/1) ... [2021-10-29 02:49:36,324 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 02:49:36,325 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 02:49:36,325 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 02:49:36,325 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 02:49:36,336 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:49:36" (1/1) ... [2021-10-29 02:49:36,337 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:49:36" (1/1) ... [2021-10-29 02:49:36,350 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:49:36" (1/1) ... [2021-10-29 02:49:36,351 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:49:36" (1/1) ... [2021-10-29 02:49:36,360 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:49:36" (1/1) ... [2021-10-29 02:49:36,365 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:49:36" (1/1) ... [2021-10-29 02:49:36,367 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:49:36" (1/1) ... [2021-10-29 02:49:36,371 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 02:49:36,372 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 02:49:36,372 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 02:49:36,372 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 02:49:36,373 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:49:36" (1/1) ... [2021-10-29 02:49:36,388 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 02:49:36,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfc8359f-dd4b-4f5c-ae5c-816faad351df/bin/ugemcutter-riF8PgGdml/z3 [2021-10-29 02:49:36,430 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfc8359f-dd4b-4f5c-ae5c-816faad351df/bin/ugemcutter-riF8PgGdml/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-29 02:49:36,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfc8359f-dd4b-4f5c-ae5c-816faad351df/bin/ugemcutter-riF8PgGdml/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-29 02:49:36,476 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-29 02:49:36,476 INFO L130 BoogieDeclarations]: Found specification of procedure worker [2021-10-29 02:49:36,477 INFO L138 BoogieDeclarations]: Found implementation of procedure worker [2021-10-29 02:49:36,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-29 02:49:36,477 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-10-29 02:49:36,477 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 02:49:36,477 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-29 02:49:36,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 02:49:36,478 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 02:49:36,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 02:49:36,479 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-29 02:49:36,800 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 02:49:36,800 INFO L299 CfgBuilder]: Removed 15 assume(true) statements. [2021-10-29 02:49:36,803 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 02:49:36 BoogieIcfgContainer [2021-10-29 02:49:36,803 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 02:49:36,805 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-29 02:49:36,805 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-29 02:49:36,808 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-29 02:49:36,809 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 02:49:35" (1/3) ... [2021-10-29 02:49:36,810 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@474cb191 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 02:49:36, skipping insertion in model container [2021-10-29 02:49:36,810 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:49:36" (2/3) ... [2021-10-29 02:49:36,810 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@474cb191 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 02:49:36, skipping insertion in model container [2021-10-29 02:49:36,810 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 02:49:36" (3/3) ... [2021-10-29 02:49:36,812 INFO L111 eAbstractionObserver]: Analyzing ICFG 13-privatized_48-pfscan_protected_loop_minimal_unknown_1_neg.i [2021-10-29 02:49:36,817 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-29 02:49:36,818 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-29 02:49:36,818 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-29 02:49:36,818 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-29 02:49:36,854 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,854 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,854 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,854 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,855 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,855 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,855 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,855 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,856 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,856 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,857 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,857 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,857 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#in~qp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,857 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#in~qp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,858 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#in~qp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,858 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#in~qp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,858 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,858 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,859 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,859 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,859 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_pqueue_get_~qp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,859 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,859 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,879 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_pqueue_get_~qp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,879 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,880 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_pqueue_get_~got~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,880 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,880 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,880 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,881 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_pqueue_get_~qp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,881 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,881 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,881 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_pqueue_get_~qp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,881 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,882 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_pqueue_get_~got~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,882 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,882 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#in~qp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,882 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#in~qp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,883 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_pqueue_get_~qp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,883 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_pqueue_get_~qp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,883 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#in~qp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,883 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#in~qp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,884 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_pqueue_get_~qp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,884 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_pqueue_get_~qp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,884 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_pqueue_get_~got~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,884 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_pqueue_get_~got~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,885 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_pqueue_get_~qp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,885 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_pqueue_get_~qp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,885 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,886 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_pqueue_get_~qp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,886 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_pqueue_get_~qp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,886 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,886 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,887 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,887 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_pqueue_get_~qp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,887 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_pqueue_get_~qp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,887 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,888 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_pqueue_get_~qp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,888 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_pqueue_get_~qp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,888 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,889 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_pqueue_get_~qp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,889 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_pqueue_get_~qp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,889 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,889 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_pqueue_get_~qp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,890 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_pqueue_get_~qp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,890 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,890 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,890 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,891 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,891 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,891 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,892 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,892 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,892 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,892 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,893 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,893 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,893 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,893 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,894 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,894 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,894 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,894 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_pqueue_get_~qp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,895 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_pqueue_get_~qp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,895 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,895 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_pqueue_get_~qp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,895 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_pqueue_get_~qp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,896 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,896 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_pqueue_get_~qp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,896 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_pqueue_get_~qp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,896 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,897 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_pqueue_get_~qp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,897 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_pqueue_get_~qp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,897 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,898 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_pqueue_get_~qp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,898 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_pqueue_get_~qp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,898 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_pqueue_get_~qp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,898 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_pqueue_get_~qp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,899 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,899 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,899 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,900 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,900 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,900 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,900 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,901 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,901 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_pqueue_get_~got~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,901 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,901 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_pqueue_get_~got~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,902 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,902 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,902 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,902 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,903 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_pqueue_get_~qp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,903 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_pqueue_get_~qp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,903 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,903 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_pqueue_get_~qp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,903 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_pqueue_get_~qp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,904 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,904 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_#t~ret12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,904 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,904 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_#t~ret12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,905 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,905 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,905 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,905 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,906 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,906 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,906 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_#t~ret12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,906 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_#t~ret12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,907 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,907 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,907 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,907 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,908 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,908 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,908 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_#t~ret12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,908 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_#t~ret12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,909 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,909 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,909 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_pqueue_get_~got~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,909 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_pqueue_get_~got~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,910 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_pqueue_get_~qp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,910 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_pqueue_get_~qp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,910 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_pqueue_get_~qp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,910 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_pqueue_get_~qp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,914 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,914 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,914 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,915 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_pqueue_get_~qp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,915 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_pqueue_get_~qp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,915 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,915 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_pqueue_get_~got~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,916 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,916 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,917 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_#t~ret12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,917 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,917 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#in~qp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,917 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,918 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,918 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,918 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,918 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#in~qp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,918 WARN L313 ript$VariableManager]: TermVariabe |workerThread1of1ForFork0_pqueue_get_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,919 WARN L313 ript$VariableManager]: TermVariabe workerThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 02:49:36,923 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-10-29 02:49:36,973 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-10-29 02:49:36,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfc8359f-dd4b-4f5c-ae5c-816faad351df/bin/ugemcutter-riF8PgGdml/z3 [2021-10-29 02:49:36,976 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfc8359f-dd4b-4f5c-ae5c-816faad351df/bin/ugemcutter-riF8PgGdml/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-10-29 02:49:37,004 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfc8359f-dd4b-4f5c-ae5c-816faad351df/bin/ugemcutter-riF8PgGdml/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-10-29 02:49:37,029 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == workerThread1of1ForFork0 ======== [2021-10-29 02:49:37,036 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-29 02:49:37,037 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-29 02:49:37,505 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting workerErr0ASSERT_VIOLATIONERROR_FUNCTION === [workerErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 02:49:37,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 02:49:37,515 INFO L85 PathProgramCache]: Analyzing trace with hash -395279819, now seen corresponding path program 1 times [2021-10-29 02:49:37,526 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 02:49:37,527 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312023830] [2021-10-29 02:49:37,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 02:49:37,527 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:49:37,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:49:37,899 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2021-10-29 02:49:37,900 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-29 02:49:37,900 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [312023830] [2021-10-29 02:49:37,901 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [312023830] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 02:49:37,902 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 02:49:37,902 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-29 02:49:37,904 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [193430521] [2021-10-29 02:49:37,913 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-29 02:49:37,914 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-29 02:49:37,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-29 02:49:37,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-29 02:49:37,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-29 02:49:37,935 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-29 02:49:37,939 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 45.0) internal successors, (90), 2 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 02:49:37,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-29 02:49:37,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-29 02:49:37,997 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-29 02:49:37,998 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting workerErr0ASSERT_VIOLATIONERROR_FUNCTION === [workerErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 02:49:38,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 02:49:38,002 INFO L85 PathProgramCache]: Analyzing trace with hash -1704531526, now seen corresponding path program 1 times [2021-10-29 02:49:38,002 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 02:49:38,003 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302783375] [2021-10-29 02:49:38,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 02:49:38,003 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:49:38,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:49:39,179 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 68 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 02:49:39,180 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-29 02:49:39,180 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1302783375] [2021-10-29 02:49:39,180 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1302783375] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-29 02:49:39,181 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1257715376] [2021-10-29 02:49:39,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 02:49:39,181 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-29 02:49:39,181 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfc8359f-dd4b-4f5c-ae5c-816faad351df/bin/ugemcutter-riF8PgGdml/z3 [2021-10-29 02:49:39,188 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfc8359f-dd4b-4f5c-ae5c-816faad351df/bin/ugemcutter-riF8PgGdml/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-29 02:49:39,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfc8359f-dd4b-4f5c-ae5c-816faad351df/bin/ugemcutter-riF8PgGdml/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-10-29 02:49:39,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:49:39,383 INFO L263 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 56 conjunts are in the unsatisfiable core [2021-10-29 02:49:39,394 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 02:49:40,013 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-10-29 02:49:40,894 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 16 [2021-10-29 02:49:41,771 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 18 [2021-10-29 02:49:41,985 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 16 [2021-10-29 02:49:42,223 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-10-29 02:49:42,276 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 61 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 02:49:42,276 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1257715376] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-29 02:49:42,276 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-29 02:49:42,277 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 25] total 49 [2021-10-29 02:49:42,278 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805780030] [2021-10-29 02:49:42,279 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2021-10-29 02:49:42,279 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-29 02:49:42,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2021-10-29 02:49:42,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=251, Invalid=2101, Unknown=0, NotChecked=0, Total=2352 [2021-10-29 02:49:42,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-29 02:49:42,284 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-29 02:49:42,285 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 49 states, 49 states have (on average 5.591836734693878) internal successors, (274), 49 states have internal predecessors, (274), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 02:49:42,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-29 02:49:42,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-29 02:49:46,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-29 02:49:46,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-10-29 02:49:46,983 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfc8359f-dd4b-4f5c-ae5c-816faad351df/bin/ugemcutter-riF8PgGdml/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-10-29 02:49:47,162 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfc8359f-dd4b-4f5c-ae5c-816faad351df/bin/ugemcutter-riF8PgGdml/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-29 02:49:47,162 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting workerErr0ASSERT_VIOLATIONERROR_FUNCTION === [workerErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 02:49:47,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 02:49:47,163 INFO L85 PathProgramCache]: Analyzing trace with hash -868655506, now seen corresponding path program 1 times [2021-10-29 02:49:47,163 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 02:49:47,163 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [239501649] [2021-10-29 02:49:47,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 02:49:47,164 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:49:47,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:49:47,394 INFO L134 CoverageAnalysis]: Checked inductivity of 788 backedges. 295 proven. 0 refuted. 0 times theorem prover too weak. 493 trivial. 0 not checked. [2021-10-29 02:49:47,394 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-29 02:49:47,394 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [239501649] [2021-10-29 02:49:47,394 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [239501649] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 02:49:47,395 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 02:49:47,395 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-29 02:49:47,395 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687393916] [2021-10-29 02:49:47,396 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-29 02:49:47,396 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-29 02:49:47,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-29 02:49:47,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-29 02:49:47,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-29 02:49:47,397 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-29 02:49:47,397 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.2) internal successors, (126), 5 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 02:49:47,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-29 02:49:47,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-10-29 02:49:47,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-29 02:49:47,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-29 02:49:47,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-10-29 02:49:47,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-29 02:49:47,545 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-29 02:49:47,545 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting workerErr0ASSERT_VIOLATIONERROR_FUNCTION === [workerErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 02:49:47,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 02:49:47,546 INFO L85 PathProgramCache]: Analyzing trace with hash -1101247268, now seen corresponding path program 1 times [2021-10-29 02:49:47,546 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 02:49:47,546 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8786152] [2021-10-29 02:49:47,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 02:49:47,547 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:49:47,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:49:47,861 INFO L134 CoverageAnalysis]: Checked inductivity of 475 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 415 trivial. 0 not checked. [2021-10-29 02:49:47,861 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-29 02:49:47,861 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [8786152] [2021-10-29 02:49:47,862 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [8786152] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 02:49:47,862 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 02:49:47,862 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-10-29 02:49:47,862 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [73320016] [2021-10-29 02:49:47,863 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-29 02:49:47,864 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-29 02:49:47,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-29 02:49:47,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2021-10-29 02:49:47,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-29 02:49:47,865 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-29 02:49:47,866 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 7.846153846153846) internal successors, (102), 13 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 02:49:47,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-29 02:49:47,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-10-29 02:49:47,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-29 02:49:47,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-29 02:49:48,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-29 02:49:48,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2021-10-29 02:49:48,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-29 02:49:48,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-29 02:49:48,141 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-29 02:49:48,141 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting workerErr0ASSERT_VIOLATIONERROR_FUNCTION === [workerErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 02:49:48,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 02:49:48,142 INFO L85 PathProgramCache]: Analyzing trace with hash 1433292973, now seen corresponding path program 1 times [2021-10-29 02:49:48,142 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 02:49:48,142 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906805795] [2021-10-29 02:49:48,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 02:49:48,143 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:49:48,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 02:49:48,164 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-29 02:49:48,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 02:49:48,224 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-29 02:49:48,224 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-10-29 02:49:48,225 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location workerErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 02:49:48,227 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-29 02:49:48,240 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2021-10-29 02:49:48,241 INFO L308 ceAbstractionStarter]: Result for error location workerThread1of1ForFork0 was UNSAFE (1/2) [2021-10-29 02:49:48,244 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-29 02:49:48,244 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-29 02:49:48,336 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 02:49:48 BasicIcfg [2021-10-29 02:49:48,336 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-29 02:49:48,337 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 02:49:48,338 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 02:49:48,338 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 02:49:48,338 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 02:49:36" (3/4) ... [2021-10-29 02:49:48,340 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-29 02:49:48,417 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfc8359f-dd4b-4f5c-ae5c-816faad351df/bin/ugemcutter-riF8PgGdml/witness.graphml [2021-10-29 02:49:48,417 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 02:49:48,421 INFO L168 Benchmark]: Toolchain (without parser) took 12662.00 ms. Allocated memory was 104.9 MB in the beginning and 167.8 MB in the end (delta: 62.9 MB). Free memory was 72.7 MB in the beginning and 57.7 MB in the end (delta: 15.0 MB). Peak memory consumption was 77.5 MB. Max. memory is 16.1 GB. [2021-10-29 02:49:48,421 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 104.9 MB. Free memory is still 60.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 02:49:48,421 INFO L168 Benchmark]: CACSL2BoogieTranslator took 515.33 ms. Allocated memory is still 104.9 MB. Free memory was 72.4 MB in the beginning and 69.9 MB in the end (delta: 2.5 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-29 02:49:48,422 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.47 ms. Allocated memory is still 104.9 MB. Free memory was 69.9 MB in the beginning and 67.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 02:49:48,423 INFO L168 Benchmark]: Boogie Preprocessor took 45.61 ms. Allocated memory is still 104.9 MB. Free memory was 67.8 MB in the beginning and 66.5 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 02:49:48,424 INFO L168 Benchmark]: RCFGBuilder took 431.48 ms. Allocated memory is still 104.9 MB. Free memory was 66.1 MB in the beginning and 53.0 MB in the end (delta: 13.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-29 02:49:48,424 INFO L168 Benchmark]: TraceAbstraction took 11531.31 ms. Allocated memory was 104.9 MB in the beginning and 167.8 MB in the end (delta: 62.9 MB). Free memory was 52.6 MB in the beginning and 66.1 MB in the end (delta: -13.5 MB). Peak memory consumption was 50.9 MB. Max. memory is 16.1 GB. [2021-10-29 02:49:48,425 INFO L168 Benchmark]: Witness Printer took 79.63 ms. Allocated memory is still 167.8 MB. Free memory was 66.1 MB in the beginning and 57.7 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 02:49:48,429 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 104.9 MB. Free memory is still 60.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 515.33 ms. Allocated memory is still 104.9 MB. Free memory was 72.4 MB in the beginning and 69.9 MB in the end (delta: 2.5 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 51.47 ms. Allocated memory is still 104.9 MB. Free memory was 69.9 MB in the beginning and 67.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 45.61 ms. Allocated memory is still 104.9 MB. Free memory was 67.8 MB in the beginning and 66.5 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 431.48 ms. Allocated memory is still 104.9 MB. Free memory was 66.1 MB in the beginning and 53.0 MB in the end (delta: 13.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 11531.31 ms. Allocated memory was 104.9 MB in the beginning and 167.8 MB in the end (delta: 62.9 MB). Free memory was 52.6 MB in the beginning and 66.1 MB in the end (delta: -13.5 MB). Peak memory consumption was 50.9 MB. Max. memory is 16.1 GB. * Witness Printer took 79.63 ms. Allocated memory is still 167.8 MB. Free memory was 66.1 MB in the beginning and 57.7 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 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: 5915, positive: 5671, positive conditional: 1614, positive unconditional: 4057, negative: 244, negative conditional: 227, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5758, positive: 5671, positive conditional: 1614, positive unconditional: 4057, negative: 87, negative conditional: 70, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 5758, positive: 5671, positive conditional: 1614, positive unconditional: 4057, negative: 87, negative conditional: 70, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5822, positive: 5671, positive conditional: 1167, positive unconditional: 4504, negative: 151, negative conditional: 64, negative unconditional: 87, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 5822, positive: 5671, positive conditional: 874, positive unconditional: 4797, negative: 151, negative conditional: 64, negative unconditional: 87, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5822, positive: 5671, positive conditional: 874, positive unconditional: 4797, negative: 151, negative conditional: 64, negative unconditional: 87, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2360, positive: 2325, positive conditional: 0, positive unconditional: 2325, negative: 35, negative conditional: 18, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2360, positive: 2320, positive conditional: 0, positive unconditional: 2320, negative: 40, negative conditional: 0, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 40, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 35, negative conditional: 18, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 303, positive: 72, positive conditional: 0, positive unconditional: 72, negative: 231, negative conditional: 107, negative unconditional: 124, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 5822, positive: 3346, positive conditional: 874, positive unconditional: 2472, negative: 116, negative conditional: 46, negative unconditional: 70, unknown: 2360, unknown conditional: 18, unknown unconditional: 2342] , Statistics on independence cache: Total cache size (in pairs): 2360, Positive cache size: 2325, Positive conditional cache size: 0, Positive unconditional cache size: 2325, Negative cache size: 35, Negative conditional cache size: 18, Negative unconditional cache size: 17, Eliminated conditions: 293, Maximal queried relation: 2, Independence queries for same thread: 157 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 322, Number of persistent set computation: 246, Number of trivial persistent sets: 150, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4074, positive: 4057, positive conditional: 0, positive unconditional: 4057, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 5915, positive: 5671, positive conditional: 1614, positive unconditional: 4057, negative: 244, negative conditional: 227, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5758, positive: 5671, positive conditional: 1614, positive unconditional: 4057, negative: 87, negative conditional: 70, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 5758, positive: 5671, positive conditional: 1614, positive unconditional: 4057, negative: 87, negative conditional: 70, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5822, positive: 5671, positive conditional: 1167, positive unconditional: 4504, negative: 151, negative conditional: 64, negative unconditional: 87, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 5822, positive: 5671, positive conditional: 874, positive unconditional: 4797, negative: 151, negative conditional: 64, negative unconditional: 87, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5822, positive: 5671, positive conditional: 874, positive unconditional: 4797, negative: 151, negative conditional: 64, negative unconditional: 87, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2360, positive: 2325, positive conditional: 0, positive unconditional: 2325, negative: 35, negative conditional: 18, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2360, positive: 2320, positive conditional: 0, positive unconditional: 2320, negative: 40, negative conditional: 0, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 40, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 35, negative conditional: 18, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 303, positive: 72, positive conditional: 0, positive unconditional: 72, negative: 231, negative conditional: 107, negative unconditional: 124, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 5822, positive: 3346, positive conditional: 874, positive unconditional: 2472, negative: 116, negative conditional: 46, negative unconditional: 70, unknown: 2360, unknown conditional: 18, unknown unconditional: 2342] , Statistics on independence cache: Total cache size (in pairs): 2360, Positive cache size: 2325, Positive conditional cache size: 0, Positive unconditional cache size: 2325, Negative cache size: 35, Negative conditional cache size: 18, Negative unconditional cache size: 17, Eliminated conditions: 293, Maximal queried relation: 2, Independence queries for same thread: 157 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 13]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L680] 0 PQUEUE pqb ; VAL [pqb={7:0}] [L719] 0 pthread_t tid; VAL [pqb={7:0}] [L720] 0 PQUEUE *qp = &pqb; VAL [pqb={7:0}] [L683] 0 qp->occupied = 0 VAL [pqb={7:0}] [L685] 0 return (0); VAL [pqb={7:0}] [L722] FCALL, FORK 0 pthread_create(& tid, ((void *)0), & worker, ((void *)0)) VAL [pqb={7:0}] [L712] COND TRUE 1 1 VAL [pqb={7:0}] [L696] 1 int got = 0; VAL [pqb={7:0}] [L698] EXPR 1 qp->occupied VAL [pqb={7:0}] [L698] COND TRUE 1 qp->occupied <= 0 VAL [pqb={7:0}] [L699] 1 qp->occupied VAL [pqb={7:0}] [L13] COND TRUE 1 !(cond) VAL [pqb={7:0}] [L13] 1 reach_error() VAL [pqb={7:0}] - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: workerThread1of1ForFork0 with 1 thread instances CFG has 3 procedures, 147 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 11.2s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 5.5s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 78, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 4.5s InterpolantComputationTime, 1035 NumberOfCodeBlocks, 1035 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 977 ConstructedInterpolants, 0 QuantifiedInterpolants, 3599 SizeOfPredicates, 31 NumberOfNonLiveVariables, 301 ConjunctsInSsa, 56 ConjunctsInUnsatCore, 5 InterpolantComputations, 3 PerfectInterpolantSequences, 1488/1569 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 RESULT: Ultimate proved your program to be incorrect! [2021-10-29 02:49:48,458 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfc8359f-dd4b-4f5c-ae5c-816faad351df/bin/ugemcutter-riF8PgGdml/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2021-10-29 02:49:48,659 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfc8359f-dd4b-4f5c-ae5c-816faad351df/bin/ugemcutter-riF8PgGdml/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...