./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/safe030_tso.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0496a956-e88f-4c9f-b6a0-93093c5a544d/bin/ugemcutter-s0tUvz4FYp/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0496a956-e88f-4c9f-b6a0-93093c5a544d/bin/ugemcutter-s0tUvz4FYp/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0496a956-e88f-4c9f-b6a0-93093c5a544d/bin/ugemcutter-s0tUvz4FYp/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0496a956-e88f-4c9f-b6a0-93093c5a544d/bin/ugemcutter-s0tUvz4FYp/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe030_tso.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0496a956-e88f-4c9f-b6a0-93093c5a544d/bin/ugemcutter-s0tUvz4FYp/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0496a956-e88f-4c9f-b6a0-93093c5a544d/bin/ugemcutter-s0tUvz4FYp --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 1730fa7f98e17ee8b58920ef3daf63ee88225f1b42924032a532b5f5db33fba5 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-24 04:39:15,161 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 04:39:15,164 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 04:39:15,213 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 04:39:15,213 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 04:39:15,217 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 04:39:15,223 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 04:39:15,228 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 04:39:15,231 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 04:39:15,238 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 04:39:15,240 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 04:39:15,242 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 04:39:15,242 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 04:39:15,245 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 04:39:15,248 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 04:39:15,251 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 04:39:15,253 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 04:39:15,254 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 04:39:15,261 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 04:39:15,271 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 04:39:15,273 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 04:39:15,275 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 04:39:15,278 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 04:39:15,280 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 04:39:15,283 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 04:39:15,284 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 04:39:15,284 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 04:39:15,286 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 04:39:15,287 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 04:39:15,288 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 04:39:15,289 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 04:39:15,290 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 04:39:15,291 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 04:39:15,292 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 04:39:15,293 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 04:39:15,293 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 04:39:15,294 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 04:39:15,294 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 04:39:15,294 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 04:39:15,295 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 04:39:15,296 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 04:39:15,297 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0496a956-e88f-4c9f-b6a0-93093c5a544d/bin/ugemcutter-s0tUvz4FYp/config/svcomp-Reach-32bit-GemCutter_Default.epf [2021-10-24 04:39:15,325 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 04:39:15,326 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 04:39:15,327 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-24 04:39:15,327 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-24 04:39:15,336 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-24 04:39:15,336 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-24 04:39:15,336 INFO L138 SettingsManager]: * Use SBE=true [2021-10-24 04:39:15,337 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 04:39:15,337 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 04:39:15,337 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-24 04:39:15,338 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 04:39:15,339 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 04:39:15,339 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 04:39:15,339 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 04:39:15,339 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 04:39:15,339 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 04:39:15,340 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 04:39:15,340 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 04:39:15,340 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 04:39:15,340 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 04:39:15,341 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-24 04:39:15,341 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-10-24 04:39:15,341 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 04:39:15,341 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 04:39:15,342 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 04:39:15,342 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 04:39:15,342 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 04:39:15,342 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-24 04:39:15,342 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-24 04:39:15,344 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-24 04:39:15,344 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-10-24 04:39:15,345 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 04:39:15,345 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-10-24 04:39:15,345 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-10-24 04:39:15,345 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_0496a956-e88f-4c9f-b6a0-93093c5a544d/bin/ugemcutter-s0tUvz4FYp/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0496a956-e88f-4c9f-b6a0-93093c5a544d/bin/ugemcutter-s0tUvz4FYp Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1730fa7f98e17ee8b58920ef3daf63ee88225f1b42924032a532b5f5db33fba5 [2021-10-24 04:39:15,666 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 04:39:15,699 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 04:39:15,702 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 04:39:15,703 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 04:39:15,704 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 04:39:15,706 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0496a956-e88f-4c9f-b6a0-93093c5a544d/bin/ugemcutter-s0tUvz4FYp/../../sv-benchmarks/c/pthread-wmm/safe030_tso.i [2021-10-24 04:39:15,783 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0496a956-e88f-4c9f-b6a0-93093c5a544d/bin/ugemcutter-s0tUvz4FYp/data/91ef9682e/84b45a964e4f4ba78f4c3d43868df9bb/FLAG81d0f95a4 [2021-10-24 04:39:16,410 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 04:39:16,411 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0496a956-e88f-4c9f-b6a0-93093c5a544d/sv-benchmarks/c/pthread-wmm/safe030_tso.i [2021-10-24 04:39:16,436 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0496a956-e88f-4c9f-b6a0-93093c5a544d/bin/ugemcutter-s0tUvz4FYp/data/91ef9682e/84b45a964e4f4ba78f4c3d43868df9bb/FLAG81d0f95a4 [2021-10-24 04:39:16,677 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0496a956-e88f-4c9f-b6a0-93093c5a544d/bin/ugemcutter-s0tUvz4FYp/data/91ef9682e/84b45a964e4f4ba78f4c3d43868df9bb [2021-10-24 04:39:16,679 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 04:39:16,680 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 04:39:16,682 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 04:39:16,682 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 04:39:16,690 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 04:39:16,690 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 04:39:16" (1/1) ... [2021-10-24 04:39:16,691 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9e1b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:39:16, skipping insertion in model container [2021-10-24 04:39:16,692 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 04:39:16" (1/1) ... [2021-10-24 04:39:16,712 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 04:39:16,779 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 04:39:17,043 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_0496a956-e88f-4c9f-b6a0-93093c5a544d/sv-benchmarks/c/pthread-wmm/safe030_tso.i[945,958] [2021-10-24 04:39:17,296 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 04:39:17,306 INFO L203 MainTranslator]: Completed pre-run [2021-10-24 04:39:17,321 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_0496a956-e88f-4c9f-b6a0-93093c5a544d/sv-benchmarks/c/pthread-wmm/safe030_tso.i[945,958] [2021-10-24 04:39:17,383 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 04:39:17,430 INFO L208 MainTranslator]: Completed translation [2021-10-24 04:39:17,431 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:39:17 WrapperNode [2021-10-24 04:39:17,431 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 04:39:17,432 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-24 04:39:17,432 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-24 04:39:17,432 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-24 04:39:17,440 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:39:17" (1/1) ... [2021-10-24 04:39:17,478 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:39:17" (1/1) ... [2021-10-24 04:39:17,508 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-24 04:39:17,509 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-24 04:39:17,509 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-24 04:39:17,509 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-24 04:39:17,518 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:39:17" (1/1) ... [2021-10-24 04:39:17,518 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:39:17" (1/1) ... [2021-10-24 04:39:17,531 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:39:17" (1/1) ... [2021-10-24 04:39:17,531 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:39:17" (1/1) ... [2021-10-24 04:39:17,536 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:39:17" (1/1) ... [2021-10-24 04:39:17,546 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:39:17" (1/1) ... [2021-10-24 04:39:17,552 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:39:17" (1/1) ... [2021-10-24 04:39:17,555 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-24 04:39:17,556 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-24 04:39:17,556 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-24 04:39:17,556 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-24 04:39:17,565 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:39:17" (1/1) ... [2021-10-24 04:39:17,573 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 04:39:17,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0496a956-e88f-4c9f-b6a0-93093c5a544d/bin/ugemcutter-s0tUvz4FYp/z3 [2021-10-24 04:39:17,604 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0496a956-e88f-4c9f-b6a0-93093c5a544d/bin/ugemcutter-s0tUvz4FYp/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-24 04:39:17,635 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0496a956-e88f-4c9f-b6a0-93093c5a544d/bin/ugemcutter-s0tUvz4FYp/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-24 04:39:17,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-24 04:39:17,654 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-10-24 04:39:17,655 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-24 04:39:17,655 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-24 04:39:17,655 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-10-24 04:39:17,655 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-10-24 04:39:17,655 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-10-24 04:39:17,655 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-10-24 04:39:17,655 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-10-24 04:39:17,655 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-10-24 04:39:17,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-24 04:39:17,656 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-10-24 04:39:17,656 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-24 04:39:17,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-24 04:39:17,657 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-24 04:39:18,090 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-24 04:39:18,091 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-10-24 04:39:18,093 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 04:39:18 BoogieIcfgContainer [2021-10-24 04:39:18,093 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-24 04:39:18,095 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-24 04:39:18,095 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-24 04:39:18,099 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-24 04:39:18,099 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 04:39:16" (1/3) ... [2021-10-24 04:39:18,100 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78ade82b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 04:39:18, skipping insertion in model container [2021-10-24 04:39:18,100 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:39:17" (2/3) ... [2021-10-24 04:39:18,101 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78ade82b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 04:39:18, skipping insertion in model container [2021-10-24 04:39:18,101 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 04:39:18" (3/3) ... [2021-10-24 04:39:18,102 INFO L111 eAbstractionObserver]: Analyzing ICFG safe030_tso.i [2021-10-24 04:39:18,108 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-24 04:39:18,108 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-24 04:39:18,108 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-24 04:39:18,108 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-24 04:39:18,137 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:18,138 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:18,138 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:18,138 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:18,138 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:18,139 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:18,139 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:18,139 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:18,139 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:18,140 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:18,140 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:18,140 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:18,141 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:18,141 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:18,141 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:18,141 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:18,141 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:18,142 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:18,142 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:18,142 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:18,142 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:18,142 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:18,143 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:18,143 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:18,143 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:18,144 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:18,144 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:18,144 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:18,144 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:18,144 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:18,144 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:18,145 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:18,145 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:18,145 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:18,145 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:18,146 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:18,149 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:18,149 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:18,149 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:18,150 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:18,154 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:18,155 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:18,155 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:18,155 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:18,157 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:18,158 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:18,158 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:18,158 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:18,161 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-10-24 04:39:18,212 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-10-24 04:39:18,212 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0496a956-e88f-4c9f-b6a0-93093c5a544d/bin/ugemcutter-s0tUvz4FYp/z3 [2021-10-24 04:39:18,215 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0496a956-e88f-4c9f-b6a0-93093c5a544d/bin/ugemcutter-s0tUvz4FYp/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-10-24 04:39:18,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0496a956-e88f-4c9f-b6a0-93093c5a544d/bin/ugemcutter-s0tUvz4FYp/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-10-24 04:39:18,261 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-10-24 04:39:18,268 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 [2021-10-24 04:39:18,268 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-10-24 04:39:18,566 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-24 04:39:18,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 04:39:18,577 INFO L82 PathProgramCache]: Analyzing trace with hash 2005046647, now seen corresponding path program 1 times [2021-10-24 04:39:18,587 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-24 04:39:18,587 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [87567961] [2021-10-24 04:39:18,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 04:39:18,588 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-24 04:39:18,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 04:39:18,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 04:39:18,912 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-24 04:39:18,913 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [87567961] [2021-10-24 04:39:18,914 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [87567961] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-24 04:39:18,914 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-24 04:39:18,915 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-24 04:39:18,917 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922100375] [2021-10-24 04:39:18,925 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-24 04:39:18,926 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-24 04:39:18,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-24 04:39:18,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-24 04:39:18,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-24 04:39:18,952 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-24 04:39:18,954 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 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) [2021-10-24 04:39:18,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-24 04:39:18,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-24 04:39:18,978 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-24 04:39:18,979 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-24 04:39:18,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 04:39:18,980 INFO L82 PathProgramCache]: Analyzing trace with hash 1589386462, now seen corresponding path program 1 times [2021-10-24 04:39:18,980 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-24 04:39:18,981 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174794255] [2021-10-24 04:39:18,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 04:39:18,981 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-24 04:39:19,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 04:39:19,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 04:39:19,279 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-24 04:39:19,279 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1174794255] [2021-10-24 04:39:19,280 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1174794255] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-24 04:39:19,280 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-24 04:39:19,280 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-24 04:39:19,280 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454593372] [2021-10-24 04:39:19,282 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-24 04:39:19,282 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-24 04:39:19,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-24 04:39:19,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-24 04:39:19,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-24 04:39:19,285 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-24 04:39:19,286 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 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) [2021-10-24 04:39:19,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-24 04:39:19,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-24 04:39:19,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-24 04:39:19,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-24 04:39:19,502 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-24 04:39:19,503 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-24 04:39:19,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 04:39:19,503 INFO L82 PathProgramCache]: Analyzing trace with hash 313975266, now seen corresponding path program 1 times [2021-10-24 04:39:19,504 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-24 04:39:19,504 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1509425476] [2021-10-24 04:39:19,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 04:39:19,505 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-24 04:39:19,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 04:39:19,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 04:39:19,748 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-24 04:39:19,748 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1509425476] [2021-10-24 04:39:19,748 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1509425476] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-24 04:39:19,748 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-24 04:39:19,749 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-24 04:39:19,749 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122893377] [2021-10-24 04:39:19,750 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-24 04:39:19,750 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-24 04:39:19,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-24 04:39:19,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-24 04:39:19,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-24 04:39:19,751 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-24 04:39:19,752 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 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) [2021-10-24 04:39:19,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-24 04:39:19,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-24 04:39:19,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-24 04:39:19,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-24 04:39:19,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-24 04:39:19,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-24 04:39:19,862 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-24 04:39:19,863 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-24 04:39:19,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 04:39:19,863 INFO L82 PathProgramCache]: Analyzing trace with hash -1947623515, now seen corresponding path program 1 times [2021-10-24 04:39:19,864 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-24 04:39:19,864 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1830529298] [2021-10-24 04:39:19,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 04:39:19,864 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-24 04:39:19,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 04:39:20,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 04:39:20,103 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-24 04:39:20,104 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1830529298] [2021-10-24 04:39:20,104 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1830529298] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-24 04:39:20,104 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-24 04:39:20,105 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-24 04:39:20,105 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488034192] [2021-10-24 04:39:20,105 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-24 04:39:20,106 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-24 04:39:20,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-24 04:39:20,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-24 04:39:20,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-24 04:39:20,107 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-24 04:39:20,108 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 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) [2021-10-24 04:39:20,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-24 04:39:20,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-24 04:39:20,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-24 04:39:20,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-24 04:39:20,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-24 04:39:20,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-24 04:39:20,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-24 04:39:20,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-24 04:39:20,225 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-24 04:39:20,225 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-24 04:39:20,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 04:39:20,226 INFO L82 PathProgramCache]: Analyzing trace with hash 1695218809, now seen corresponding path program 1 times [2021-10-24 04:39:20,226 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-24 04:39:20,226 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379875562] [2021-10-24 04:39:20,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 04:39:20,227 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-24 04:39:20,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 04:39:20,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 04:39:20,331 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-24 04:39:20,331 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1379875562] [2021-10-24 04:39:20,331 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1379875562] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-24 04:39:20,332 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-24 04:39:20,332 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-24 04:39:20,332 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992968938] [2021-10-24 04:39:20,333 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-24 04:39:20,333 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-24 04:39:20,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-24 04:39:20,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-24 04:39:20,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-24 04:39:20,334 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-24 04:39:20,335 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 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) [2021-10-24 04:39:20,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-24 04:39:20,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-24 04:39:20,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-24 04:39:20,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-24 04:39:20,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-24 04:39:20,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-24 04:39:20,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-24 04:39:20,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-24 04:39:20,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-24 04:39:20,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-24 04:39:20,422 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-24 04:39:20,423 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-24 04:39:20,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 04:39:20,423 INFO L82 PathProgramCache]: Analyzing trace with hash 1061020667, now seen corresponding path program 2 times [2021-10-24 04:39:20,424 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-24 04:39:20,424 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653505978] [2021-10-24 04:39:20,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 04:39:20,424 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-24 04:39:20,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 04:39:20,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 04:39:20,556 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-24 04:39:20,556 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1653505978] [2021-10-24 04:39:20,557 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1653505978] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-24 04:39:20,559 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-24 04:39:20,560 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-10-24 04:39:20,560 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311503913] [2021-10-24 04:39:20,562 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-24 04:39:20,562 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-24 04:39:20,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-24 04:39:20,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-24 04:39:20,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-24 04:39:20,565 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-24 04:39:20,573 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 8 states have internal predecessors, (61), 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) [2021-10-24 04:39:20,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-24 04:39:20,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-24 04:39:20,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-24 04:39:20,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-24 04:39:20,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-24 04:39:20,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-24 04:39:20,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-24 04:39:20,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-24 04:39:20,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-24 04:39:20,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-24 04:39:20,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-24 04:39:20,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-24 04:39:20,677 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-24 04:39:20,677 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-24 04:39:20,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 04:39:20,678 INFO L82 PathProgramCache]: Analyzing trace with hash -474135082, now seen corresponding path program 1 times [2021-10-24 04:39:20,678 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-24 04:39:20,679 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717602290] [2021-10-24 04:39:20,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 04:39:20,679 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-24 04:39:20,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 04:39:20,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 04:39:20,864 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-24 04:39:20,864 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1717602290] [2021-10-24 04:39:20,865 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1717602290] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-24 04:39:20,865 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-24 04:39:20,865 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-24 04:39:20,868 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519321233] [2021-10-24 04:39:20,868 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-24 04:39:20,869 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-24 04:39:20,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-24 04:39:20,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-24 04:39:20,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-24 04:39:20,870 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-24 04:39:20,870 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 04:39:20,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-24 04:39:20,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-24 04:39:20,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-24 04:39:20,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-24 04:39:20,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-24 04:39:20,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-24 04:39:20,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-24 04:39:21,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-24 04:39:21,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-24 04:39:21,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-24 04:39:21,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-24 04:39:21,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-24 04:39:21,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-24 04:39:21,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-24 04:39:21,171 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 04:39:21,172 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-24 04:39:21,173 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION [2021-10-24 04:39:21,173 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATION [2021-10-24 04:39:21,173 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-24 04:39:21,188 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-24 04:39:21,188 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-24 04:39:21,190 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 04:39:21 BasicIcfg [2021-10-24 04:39:21,190 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-24 04:39:21,192 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-24 04:39:21,192 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-24 04:39:21,192 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-24 04:39:21,193 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 04:39:18" (3/4) ... [2021-10-24 04:39:21,196 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-24 04:39:21,202 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2021-10-24 04:39:21,202 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2021-10-24 04:39:21,202 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2021-10-24 04:39:21,209 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2021-10-24 04:39:21,209 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-24 04:39:21,209 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-24 04:39:21,209 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-24 04:39:21,249 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0496a956-e88f-4c9f-b6a0-93093c5a544d/bin/ugemcutter-s0tUvz4FYp/witness.graphml [2021-10-24 04:39:21,249 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-24 04:39:21,251 INFO L168 Benchmark]: Toolchain (without parser) took 4568.84 ms. Allocated memory was 102.8 MB in the beginning and 127.9 MB in the end (delta: 25.2 MB). Free memory was 59.7 MB in the beginning and 60.5 MB in the end (delta: -865.7 kB). Peak memory consumption was 22.7 MB. Max. memory is 16.1 GB. [2021-10-24 04:39:21,251 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 102.8 MB. Free memory is still 77.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 04:39:21,252 INFO L168 Benchmark]: CACSL2BoogieTranslator took 748.98 ms. Allocated memory is still 102.8 MB. Free memory was 59.5 MB in the beginning and 66.5 MB in the end (delta: -7.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-24 04:39:21,252 INFO L168 Benchmark]: Boogie Procedure Inliner took 75.85 ms. Allocated memory is still 102.8 MB. Free memory was 66.1 MB in the beginning and 64.5 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 04:39:21,253 INFO L168 Benchmark]: Boogie Preprocessor took 46.78 ms. Allocated memory is still 102.8 MB. Free memory was 64.5 MB in the beginning and 63.1 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-24 04:39:21,253 INFO L168 Benchmark]: RCFGBuilder took 537.36 ms. Allocated memory is still 102.8 MB. Free memory was 62.7 MB in the beginning and 50.6 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-24 04:39:21,253 INFO L168 Benchmark]: TraceAbstraction took 3095.27 ms. Allocated memory was 102.8 MB in the beginning and 127.9 MB in the end (delta: 25.2 MB). Free memory was 50.2 MB in the beginning and 63.7 MB in the end (delta: -13.5 MB). Peak memory consumption was 14.3 MB. Max. memory is 16.1 GB. [2021-10-24 04:39:21,254 INFO L168 Benchmark]: Witness Printer took 56.93 ms. Allocated memory is still 127.9 MB. Free memory was 63.7 MB in the beginning and 60.5 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-24 04:39:21,256 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 102.8 MB. Free memory is still 77.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 748.98 ms. Allocated memory is still 102.8 MB. Free memory was 59.5 MB in the beginning and 66.5 MB in the end (delta: -7.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 75.85 ms. Allocated memory is still 102.8 MB. Free memory was 66.1 MB in the beginning and 64.5 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 46.78 ms. Allocated memory is still 102.8 MB. Free memory was 64.5 MB in the beginning and 63.1 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 537.36 ms. Allocated memory is still 102.8 MB. Free memory was 62.7 MB in the beginning and 50.6 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 3095.27 ms. Allocated memory was 102.8 MB in the beginning and 127.9 MB in the end (delta: 25.2 MB). Free memory was 50.2 MB in the beginning and 63.7 MB in the end (delta: -13.5 MB). Peak memory consumption was 14.3 MB. Max. memory is 16.1 GB. * Witness Printer took 56.93 ms. Allocated memory is still 127.9 MB. Free memory was 63.7 MB in the beginning and 60.5 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 5812, positive: 5634, positive conditional: 4488, positive unconditional: 1146, negative: 178, negative conditional: 152, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5786, positive: 5634, positive conditional: 4488, positive unconditional: 1146, negative: 152, negative conditional: 126, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 5786, positive: 5634, positive conditional: 4488, positive unconditional: 1146, negative: 152, negative conditional: 126, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6335, positive: 5634, positive conditional: 4115, positive unconditional: 1519, negative: 701, negative conditional: 549, negative unconditional: 152, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 6335, positive: 5634, positive conditional: 1023, positive unconditional: 4611, negative: 701, negative conditional: 80, negative unconditional: 621, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6335, positive: 5634, positive conditional: 1023, positive unconditional: 4611, negative: 701, negative conditional: 80, negative unconditional: 621, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1188, positive: 1159, positive conditional: 13, positive unconditional: 1146, negative: 29, negative conditional: 3, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1188, positive: 1140, positive conditional: 0, positive unconditional: 1140, negative: 48, negative conditional: 0, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 48, positive: 19, positive conditional: 13, positive unconditional: 6, negative: 29, negative conditional: 3, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 218, positive: 45, positive conditional: 33, positive unconditional: 12, negative: 173, negative conditional: 7, negative unconditional: 166, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 6335, positive: 4475, positive conditional: 1010, positive unconditional: 3465, negative: 672, negative conditional: 77, negative unconditional: 595, unknown: 1188, unknown conditional: 16, unknown unconditional: 1172] , Statistics on independence cache: Total cache size (in pairs): 1188, Positive cache size: 1159, Positive conditional cache size: 13, Positive unconditional cache size: 1146, Negative cache size: 29, Negative conditional cache size: 3, Negative unconditional cache size: 26, Eliminated conditions: 3561, Maximal queried relation: 4, Independence queries for same thread: 26 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 339, Number of persistent set computation: 417, Number of trivial persistent sets: 231, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1172, positive: 1146, positive conditional: 0, positive unconditional: 1146, negative: 26, negative conditional: 0, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 5812, positive: 5634, positive conditional: 4488, positive unconditional: 1146, negative: 178, negative conditional: 152, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5786, positive: 5634, positive conditional: 4488, positive unconditional: 1146, negative: 152, negative conditional: 126, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 5786, positive: 5634, positive conditional: 4488, positive unconditional: 1146, negative: 152, negative conditional: 126, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6335, positive: 5634, positive conditional: 4115, positive unconditional: 1519, negative: 701, negative conditional: 549, negative unconditional: 152, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 6335, positive: 5634, positive conditional: 1023, positive unconditional: 4611, negative: 701, negative conditional: 80, negative unconditional: 621, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6335, positive: 5634, positive conditional: 1023, positive unconditional: 4611, negative: 701, negative conditional: 80, negative unconditional: 621, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1188, positive: 1159, positive conditional: 13, positive unconditional: 1146, negative: 29, negative conditional: 3, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1188, positive: 1140, positive conditional: 0, positive unconditional: 1140, negative: 48, negative conditional: 0, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 48, positive: 19, positive conditional: 13, positive unconditional: 6, negative: 29, negative conditional: 3, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 218, positive: 45, positive conditional: 33, positive unconditional: 12, negative: 173, negative conditional: 7, negative unconditional: 166, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 6335, positive: 4475, positive conditional: 1010, positive unconditional: 3465, negative: 672, negative conditional: 77, negative unconditional: 595, unknown: 1188, unknown conditional: 16, unknown unconditional: 1172] , Statistics on independence cache: Total cache size (in pairs): 1188, Positive cache size: 1159, Positive conditional cache size: 13, Positive unconditional cache size: 1146, Negative cache size: 29, Negative conditional cache size: 3, Negative unconditional cache size: 26, Eliminated conditions: 3561, Maximal queried relation: 4, Independence queries for same thread: 26 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 18]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 105 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 2977.8ms, OverallIterations: 7, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 21.1ms, PartialOrderReductionTime: 1226.5ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 39, 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: 33.6ms SsaConstructionTime, 257.0ms SatisfiabilityAnalysisTime, 1099.7ms InterpolantComputationTime, 392 NumberOfCodeBlocks, 392 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 385 ConstructedInterpolants, 0 QuantifiedInterpolants, 950 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2021-10-24 04:39:21,302 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0496a956-e88f-4c9f-b6a0-93093c5a544d/bin/ugemcutter-s0tUvz4FYp/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2021-10-24 04:39:21,518 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0496a956-e88f-4c9f-b6a0-93093c5a544d/bin/ugemcutter-s0tUvz4FYp/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...