./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-races/race-1_2-join.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 57096758 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5723465-9757-4c6c-bcc8-97292aa0ded4/bin/ugemcutter-iXBUUPsApB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5723465-9757-4c6c-bcc8-97292aa0ded4/bin/ugemcutter-iXBUUPsApB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5723465-9757-4c6c-bcc8-97292aa0ded4/bin/ugemcutter-iXBUUPsApB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5723465-9757-4c6c-bcc8-97292aa0ded4/bin/ugemcutter-iXBUUPsApB/config/GemCutterReach.xml -i ../../sv-benchmarks/c/ldv-races/race-1_2-join.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5723465-9757-4c6c-bcc8-97292aa0ded4/bin/ugemcutter-iXBUUPsApB/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5723465-9757-4c6c-bcc8-97292aa0ded4/bin/ugemcutter-iXBUUPsApB --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 b74577f7b762bc71b4ec24b3f1b1d4417fb82a2d ................................................................................................................................................................................................................................................................................................................................................................................................... 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-5709675 [2021-10-16 09:57:32,185 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-16 09:57:32,189 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-16 09:57:32,245 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-16 09:57:32,246 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-16 09:57:32,250 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-16 09:57:32,252 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-16 09:57:32,256 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-16 09:57:32,259 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-16 09:57:32,265 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-16 09:57:32,267 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-16 09:57:32,269 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-16 09:57:32,269 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-16 09:57:32,272 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-16 09:57:32,275 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-16 09:57:32,279 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-16 09:57:32,281 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-16 09:57:32,282 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-16 09:57:32,285 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-16 09:57:32,291 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-16 09:57:32,293 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-16 09:57:32,298 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-16 09:57:32,301 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-16 09:57:32,303 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-16 09:57:32,314 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-16 09:57:32,314 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-16 09:57:32,315 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-16 09:57:32,317 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-16 09:57:32,318 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-16 09:57:32,320 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-16 09:57:32,320 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-16 09:57:32,322 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-16 09:57:32,324 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-16 09:57:32,325 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-16 09:57:32,327 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-16 09:57:32,327 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-16 09:57:32,328 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-16 09:57:32,329 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-16 09:57:32,329 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 09:57:32,330 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 09:57:32,331 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 09:57:32,332 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5723465-9757-4c6c-bcc8-97292aa0ded4/bin/ugemcutter-iXBUUPsApB/config/svcomp-Reach-32bit-GemCutter_Default.epf [2021-10-16 09:57:32,372 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 09:57:32,373 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 09:57:32,373 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-16 09:57:32,374 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-16 09:57:32,375 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-16 09:57:32,376 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-16 09:57:32,376 INFO L138 SettingsManager]: * Use SBE=true [2021-10-16 09:57:32,376 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 09:57:32,376 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-16 09:57:32,377 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-16 09:57:32,377 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-16 09:57:32,377 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 09:57:32,377 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-16 09:57:32,378 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 09:57:32,378 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-16 09:57:32,378 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-16 09:57:32,378 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-16 09:57:32,379 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 09:57:32,379 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-16 09:57:32,379 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 09:57:32,380 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-16 09:57:32,380 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-10-16 09:57:32,380 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 09:57:32,380 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 09:57:32,381 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 09:57:32,381 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 09:57:32,381 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-16 09:57:32,381 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-16 09:57:32,382 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-16 09:57:32,382 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-16 09:57:32,382 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-10-16 09:57:32,382 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-16 09:57:32,383 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-10-16 09:57:32,383 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-10-16 09:57:32,383 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_a5723465-9757-4c6c-bcc8-97292aa0ded4/bin/ugemcutter-iXBUUPsApB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5723465-9757-4c6c-bcc8-97292aa0ded4/bin/ugemcutter-iXBUUPsApB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b74577f7b762bc71b4ec24b3f1b1d4417fb82a2d [2021-10-16 09:57:32,681 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 09:57:32,703 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 09:57:32,706 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 09:57:32,707 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 09:57:32,708 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 09:57:32,708 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5723465-9757-4c6c-bcc8-97292aa0ded4/bin/ugemcutter-iXBUUPsApB/../../sv-benchmarks/c/ldv-races/race-1_2-join.i [2021-10-16 09:57:32,783 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5723465-9757-4c6c-bcc8-97292aa0ded4/bin/ugemcutter-iXBUUPsApB/data/8aee499c3/c0d1436e131740168e77fd941cadaf9e/FLAGeb067159b [2021-10-16 09:57:33,336 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 09:57:33,337 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5723465-9757-4c6c-bcc8-97292aa0ded4/sv-benchmarks/c/ldv-races/race-1_2-join.i [2021-10-16 09:57:33,376 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5723465-9757-4c6c-bcc8-97292aa0ded4/bin/ugemcutter-iXBUUPsApB/data/8aee499c3/c0d1436e131740168e77fd941cadaf9e/FLAGeb067159b [2021-10-16 09:57:33,580 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5723465-9757-4c6c-bcc8-97292aa0ded4/bin/ugemcutter-iXBUUPsApB/data/8aee499c3/c0d1436e131740168e77fd941cadaf9e [2021-10-16 09:57:33,583 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 09:57:33,584 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-16 09:57:33,589 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 09:57:33,589 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 09:57:33,593 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 09:57:33,593 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 09:57:33" (1/1) ... [2021-10-16 09:57:33,594 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68586c0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 09:57:33, skipping insertion in model container [2021-10-16 09:57:33,594 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 09:57:33" (1/1) ... [2021-10-16 09:57:33,602 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 09:57:33,672 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 09:57:34,500 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_a5723465-9757-4c6c-bcc8-97292aa0ded4/sv-benchmarks/c/ldv-races/race-1_2-join.i[76153,76166] [2021-10-16 09:57:34,536 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 09:57:34,553 INFO L203 MainTranslator]: Completed pre-run [2021-10-16 09:57:34,647 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_a5723465-9757-4c6c-bcc8-97292aa0ded4/sv-benchmarks/c/ldv-races/race-1_2-join.i[76153,76166] [2021-10-16 09:57:34,660 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 09:57:34,837 INFO L208 MainTranslator]: Completed translation [2021-10-16 09:57:34,838 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 09:57:34 WrapperNode [2021-10-16 09:57:34,838 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 09:57:34,839 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-16 09:57:34,840 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-16 09:57:34,840 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-16 09:57:34,848 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 09:57:34" (1/1) ... [2021-10-16 09:57:34,882 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 09:57:34" (1/1) ... [2021-10-16 09:57:34,923 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-16 09:57:34,925 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-16 09:57:34,925 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-16 09:57:34,926 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-16 09:57:34,937 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 09:57:34" (1/1) ... [2021-10-16 09:57:34,938 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 09:57:34" (1/1) ... [2021-10-16 09:57:34,951 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 09:57:34" (1/1) ... [2021-10-16 09:57:34,952 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 09:57:34" (1/1) ... [2021-10-16 09:57:34,994 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 09:57:34" (1/1) ... [2021-10-16 09:57:34,996 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 09:57:34" (1/1) ... [2021-10-16 09:57:35,003 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 09:57:34" (1/1) ... [2021-10-16 09:57:35,012 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-16 09:57:35,013 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-16 09:57:35,013 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-16 09:57:35,014 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-16 09:57:35,015 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 09:57:34" (1/1) ... [2021-10-16 09:57:35,037 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 09:57:35,060 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5723465-9757-4c6c-bcc8-97292aa0ded4/bin/ugemcutter-iXBUUPsApB/z3 [2021-10-16 09:57:35,079 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5723465-9757-4c6c-bcc8-97292aa0ded4/bin/ugemcutter-iXBUUPsApB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-16 09:57:35,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5723465-9757-4c6c-bcc8-97292aa0ded4/bin/ugemcutter-iXBUUPsApB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-16 09:57:35,129 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-10-16 09:57:35,129 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-16 09:57:35,129 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-10-16 09:57:35,130 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-16 09:57:35,130 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-10-16 09:57:35,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-16 09:57:35,130 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-16 09:57:35,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-16 09:57:35,130 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-16 09:57:35,131 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-10-16 09:57:35,131 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-10-16 09:57:35,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-16 09:57:35,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-16 09:57:35,133 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-16 09:57:35,691 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-16 09:57:35,691 INFO L299 CfgBuilder]: Removed 16 assume(true) statements. [2021-10-16 09:57:35,693 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 09:57:35 BoogieIcfgContainer [2021-10-16 09:57:35,694 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-16 09:57:35,722 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-16 09:57:35,722 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-16 09:57:35,726 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-16 09:57:35,726 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 09:57:33" (1/3) ... [2021-10-16 09:57:35,727 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f3f04cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 09:57:35, skipping insertion in model container [2021-10-16 09:57:35,727 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 09:57:34" (2/3) ... [2021-10-16 09:57:35,728 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f3f04cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 09:57:35, skipping insertion in model container [2021-10-16 09:57:35,728 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 09:57:35" (3/3) ... [2021-10-16 09:57:35,730 INFO L111 eAbstractionObserver]: Analyzing ICFG race-1_2-join.i [2021-10-16 09:57:35,741 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-16 09:57:35,741 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-16 09:57:35,741 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2021-10-16 09:57:35,741 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-16 09:57:35,769 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 09:57:35,769 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 09:57:35,769 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 09:57:35,769 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 09:57:35,769 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 09:57:35,770 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 09:57:35,770 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 09:57:35,770 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 09:57:35,770 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 09:57:35,771 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 09:57:35,771 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 09:57:35,771 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 09:57:35,771 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 09:57:35,772 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 09:57:35,772 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 09:57:35,772 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 09:57:35,775 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 09:57:35,776 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 09:57:35,776 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 09:57:35,776 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 09:57:35,776 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 09:57:35,782 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-10-16 09:57:35,829 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-10-16 09:57:35,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5723465-9757-4c6c-bcc8-97292aa0ded4/bin/ugemcutter-iXBUUPsApB/z3 [2021-10-16 09:57:35,833 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5723465-9757-4c6c-bcc8-97292aa0ded4/bin/ugemcutter-iXBUUPsApB/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-10-16 09:57:35,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5723465-9757-4c6c-bcc8-97292aa0ded4/bin/ugemcutter-iXBUUPsApB/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-10-16 09:57:35,871 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-10-16 09:57:35,878 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-16 09:57:35,878 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-10-16 09:57:35,925 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-10-16 09:57:35,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 09:57:35,932 INFO L82 PathProgramCache]: Analyzing trace with hash 1260083599, now seen corresponding path program 1 times [2021-10-16 09:57:35,941 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 09:57:35,942 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1120921345] [2021-10-16 09:57:35,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 09:57:35,943 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 09:57:36,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 09:57:36,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 09:57:36,427 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 09:57:36,428 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1120921345] [2021-10-16 09:57:36,429 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1120921345] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 09:57:36,429 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 09:57:36,429 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-16 09:57:36,431 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663578103] [2021-10-16 09:57:36,437 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-16 09:57:36,438 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 09:57:36,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-16 09:57:36,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-16 09:57:36,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-16 09:57:36,469 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-16 09:57:36,471 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 09:57:36,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-16 09:57:36,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-16 09:57:36,598 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-16 09:57:36,599 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-10-16 09:57:36,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 09:57:36,600 INFO L82 PathProgramCache]: Analyzing trace with hash 1266345919, now seen corresponding path program 1 times [2021-10-16 09:57:36,600 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 09:57:36,600 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512588013] [2021-10-16 09:57:36,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 09:57:36,601 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 09:57:36,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 09:57:36,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 09:57:36,756 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 09:57:36,757 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [512588013] [2021-10-16 09:57:36,757 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [512588013] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 09:57:36,758 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 09:57:36,758 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-16 09:57:36,759 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434001377] [2021-10-16 09:57:36,761 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 09:57:36,761 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 09:57:36,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 09:57:36,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 09:57:36,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-16 09:57:36,764 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-16 09:57:36,764 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 18.5) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 09:57:36,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-16 09:57:36,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-16 09:57:36,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-16 09:57:36,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 09:57:36,854 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-16 09:57:36,856 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-10-16 09:57:36,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 09:57:36,865 INFO L82 PathProgramCache]: Analyzing trace with hash 1540759730, now seen corresponding path program 1 times [2021-10-16 09:57:36,865 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 09:57:36,866 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [969344203] [2021-10-16 09:57:36,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 09:57:36,866 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 09:57:36,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 09:57:37,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 09:57:37,122 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 09:57:37,123 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [969344203] [2021-10-16 09:57:37,123 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [969344203] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 09:57:37,123 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 09:57:37,123 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-16 09:57:37,124 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374982040] [2021-10-16 09:57:37,124 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-16 09:57:37,125 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 09:57:37,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-16 09:57:37,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-16 09:57:37,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-16 09:57:37,126 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-16 09:57:37,127 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 09:57:37,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-16 09:57:37,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-16 09:57:37,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-16 09:57:37,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-16 09:57:37,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 09:57:37,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-16 09:57:37,235 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-16 09:57:37,235 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-10-16 09:57:37,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 09:57:37,236 INFO L82 PathProgramCache]: Analyzing trace with hash -1016284227, now seen corresponding path program 1 times [2021-10-16 09:57:37,237 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 09:57:37,237 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1628913471] [2021-10-16 09:57:37,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 09:57:37,237 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 09:57:37,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-16 09:57:37,311 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-16 09:57:37,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-16 09:57:37,414 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-16 09:57:37,418 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-16 09:57:37,420 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-16 09:57:37,422 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-16 09:57:37,423 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-16 09:57:37,423 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION [2021-10-16 09:57:37,424 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-16 09:57:37,425 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-16 09:57:37,449 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-16 09:57:37,461 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-16 09:57:37,522 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 09:57:37 BasicIcfg [2021-10-16 09:57:37,523 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-16 09:57:37,523 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-16 09:57:37,523 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-16 09:57:37,524 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-16 09:57:37,524 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 09:57:35" (3/4) ... [2021-10-16 09:57:37,526 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-16 09:57:37,581 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5723465-9757-4c6c-bcc8-97292aa0ded4/bin/ugemcutter-iXBUUPsApB/witness.graphml [2021-10-16 09:57:37,582 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-16 09:57:37,584 INFO L168 Benchmark]: Toolchain (without parser) took 3998.61 ms. Allocated memory was 83.9 MB in the beginning and 140.5 MB in the end (delta: 56.6 MB). Free memory was 47.9 MB in the beginning and 97.1 MB in the end (delta: -49.2 MB). Peak memory consumption was 7.3 MB. Max. memory is 16.1 GB. [2021-10-16 09:57:37,584 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 83.9 MB. Free memory was 62.2 MB in the beginning and 62.1 MB in the end (delta: 32.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 09:57:37,585 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1249.46 ms. Allocated memory was 83.9 MB in the beginning and 107.0 MB in the end (delta: 23.1 MB). Free memory was 47.7 MB in the beginning and 71.3 MB in the end (delta: -23.6 MB). Peak memory consumption was 26.9 MB. Max. memory is 16.1 GB. [2021-10-16 09:57:37,585 INFO L168 Benchmark]: Boogie Procedure Inliner took 83.70 ms. Allocated memory is still 107.0 MB. Free memory was 70.8 MB in the beginning and 67.8 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-16 09:57:37,585 INFO L168 Benchmark]: Boogie Preprocessor took 87.37 ms. Allocated memory is still 107.0 MB. Free memory was 67.8 MB in the beginning and 65.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-16 09:57:37,586 INFO L168 Benchmark]: RCFGBuilder took 680.48 ms. Allocated memory is still 107.0 MB. Free memory was 65.7 MB in the beginning and 48.2 MB in the end (delta: 17.5 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2021-10-16 09:57:37,586 INFO L168 Benchmark]: TraceAbstraction took 1800.79 ms. Allocated memory was 107.0 MB in the beginning and 140.5 MB in the end (delta: 33.6 MB). Free memory was 78.5 MB in the beginning and 101.3 MB in the end (delta: -22.8 MB). Peak memory consumption was 9.3 MB. Max. memory is 16.1 GB. [2021-10-16 09:57:37,587 INFO L168 Benchmark]: Witness Printer took 58.51 ms. Allocated memory is still 140.5 MB. Free memory was 101.3 MB in the beginning and 97.1 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-16 09:57:37,589 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 83.9 MB. Free memory was 62.2 MB in the beginning and 62.1 MB in the end (delta: 32.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1249.46 ms. Allocated memory was 83.9 MB in the beginning and 107.0 MB in the end (delta: 23.1 MB). Free memory was 47.7 MB in the beginning and 71.3 MB in the end (delta: -23.6 MB). Peak memory consumption was 26.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 83.70 ms. Allocated memory is still 107.0 MB. Free memory was 70.8 MB in the beginning and 67.8 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 87.37 ms. Allocated memory is still 107.0 MB. Free memory was 67.8 MB in the beginning and 65.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 680.48 ms. Allocated memory is still 107.0 MB. Free memory was 65.7 MB in the beginning and 48.2 MB in the end (delta: 17.5 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1800.79 ms. Allocated memory was 107.0 MB in the beginning and 140.5 MB in the end (delta: 33.6 MB). Free memory was 78.5 MB in the beginning and 101.3 MB in the end (delta: -22.8 MB). Peak memory consumption was 9.3 MB. Max. memory is 16.1 GB. * Witness Printer took 58.51 ms. Allocated memory is still 140.5 MB. Free memory was 101.3 MB in the beginning and 97.1 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 253, positive: 234, positive conditional: 50, positive unconditional: 184, negative: 19, negative conditional: 16, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 239, positive: 234, positive conditional: 50, positive unconditional: 184, negative: 5, negative conditional: 2, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 239, positive: 234, positive conditional: 50, positive unconditional: 184, negative: 5, negative conditional: 2, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 245, positive: 234, positive conditional: 50, positive unconditional: 184, negative: 11, negative conditional: 6, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 245, positive: 234, positive conditional: 2, positive unconditional: 232, negative: 11, negative conditional: 2, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 245, positive: 234, positive conditional: 2, positive unconditional: 232, negative: 11, negative conditional: 2, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 189, positive: 185, positive conditional: 0, positive unconditional: 185, negative: 4, negative conditional: 1, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 189, positive: 183, positive conditional: 0, positive unconditional: 183, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 6, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 4, negative conditional: 1, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 37, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 32, negative conditional: 3, negative unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 245, positive: 49, positive conditional: 2, positive unconditional: 47, negative: 7, negative conditional: 1, negative unconditional: 6, unknown: 189, unknown conditional: 1, unknown unconditional: 188] , Statistics on independence cache: Total cache size (in pairs): 189, Positive cache size: 185, Positive conditional cache size: 0, Positive unconditional cache size: 185, Negative cache size: 4, Negative conditional cache size: 1, Negative unconditional cache size: 3, Eliminated conditions: 52, Maximal queried relation: 3, Independence queries for same thread: 14 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 71, Number of persistent set computation: 79, Number of trivial persistent sets: 64, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 187, positive: 184, positive conditional: 0, positive unconditional: 184, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 253, positive: 234, positive conditional: 50, positive unconditional: 184, negative: 19, negative conditional: 16, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 239, positive: 234, positive conditional: 50, positive unconditional: 184, negative: 5, negative conditional: 2, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 239, positive: 234, positive conditional: 50, positive unconditional: 184, negative: 5, negative conditional: 2, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 245, positive: 234, positive conditional: 50, positive unconditional: 184, negative: 11, negative conditional: 6, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 245, positive: 234, positive conditional: 2, positive unconditional: 232, negative: 11, negative conditional: 2, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 245, positive: 234, positive conditional: 2, positive unconditional: 232, negative: 11, negative conditional: 2, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 189, positive: 185, positive conditional: 0, positive unconditional: 185, negative: 4, negative conditional: 1, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 189, positive: 183, positive conditional: 0, positive unconditional: 183, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 6, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 4, negative conditional: 1, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 37, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 32, negative conditional: 3, negative unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 245, positive: 49, positive conditional: 2, positive unconditional: 47, negative: 7, negative conditional: 1, negative unconditional: 6, unknown: 189, unknown conditional: 1, unknown unconditional: 188] , Statistics on independence cache: Total cache size (in pairs): 189, Positive cache size: 185, Positive conditional cache size: 0, Positive unconditional cache size: 185, Negative cache size: 4, Negative conditional cache size: 1, Negative unconditional cache size: 3, Eliminated conditions: 52, Maximal queried relation: 3, Independence queries for same thread: 14 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 1695]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L1696] 0 pthread_t t1; VAL [t1={7:0}] [L1697] 0 pthread_mutex_t mutex; VAL [mutex={3:0}, t1={7:0}] [L1698] 0 int pdev; VAL [mutex={3:0}, pdev=0, t1={7:0}] [L1709] 0 pdev = 1 VAL [mutex={3:0}, pdev=1, t1={7:0}] [L1695] COND FALSE 0 !(!expression) VAL [mutex={3:0}, pdev=1, t1={7:0}] [L1711] COND TRUE 0 __VERIFIER_nondet_int() VAL [mutex={3:0}, pdev=1, t1={7:0}] [L1712] FCALL, FORK 0 pthread_create(&t1, ((void *)0), thread1, ((void *)0)) VAL [arg={0:0}, mutex={3:0}, pdev=1, t1={7:0}] [L1714] 0 pdev = 2 VAL [arg={0:0}, mutex={3:0}, pdev=2, t1={7:0}] [L1702] 1 pdev = 6 VAL [arg={0:0}, arg={0:0}, mutex={3:0}, pdev=6, t1={7:0}] [L1695] COND TRUE 0 !expression [L1695] 0 reach_error() VAL [arg={0:0}, arg={0:0}, mutex={3:0}, pdev=6, t1={7:0}] - UnprovableResult [Line: 1695]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 1695]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 1695]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 1712]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 3 procedures, 95 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 1619.3ms, OverallIterations: 4, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 19.6ms, PartialOrderReductionTime: 348.6ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 20.7ms SsaConstructionTime, 155.3ms SatisfiabilityAnalysisTime, 494.8ms InterpolantComputationTime, 167 NumberOfCodeBlocks, 167 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 123 ConstructedInterpolants, 0 QuantifiedInterpolants, 147 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2021-10-16 09:57:37,640 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5723465-9757-4c6c-bcc8-97292aa0ded4/bin/ugemcutter-iXBUUPsApB/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2021-10-16 09:57:37,836 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5723465-9757-4c6c-bcc8-97292aa0ded4/bin/ugemcutter-iXBUUPsApB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...