./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/safe026_tso.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_267ddbc0-f279-4104-b046-4fd87d1f25cd/bin/ugemcutter-CCe4ZdLeKS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_267ddbc0-f279-4104-b046-4fd87d1f25cd/bin/ugemcutter-CCe4ZdLeKS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_267ddbc0-f279-4104-b046-4fd87d1f25cd/bin/ugemcutter-CCe4ZdLeKS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_267ddbc0-f279-4104-b046-4fd87d1f25cd/bin/ugemcutter-CCe4ZdLeKS/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe026_tso.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_267ddbc0-f279-4104-b046-4fd87d1f25cd/bin/ugemcutter-CCe4ZdLeKS/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_267ddbc0-f279-4104-b046-4fd87d1f25cd/bin/ugemcutter-CCe4ZdLeKS --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 80799f6c8fd7356eb24d2cdce2b9813d505d1c320a66d664e71d3261c3c21a3d --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 16:17:39,567 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 16:17:39,569 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 16:17:39,592 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 16:17:39,593 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 16:17:39,594 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 16:17:39,596 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 16:17:39,598 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 16:17:39,600 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 16:17:39,601 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 16:17:39,602 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 16:17:39,603 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 16:17:39,604 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 16:17:39,605 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 16:17:39,606 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 16:17:39,608 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 16:17:39,609 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 16:17:39,610 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 16:17:39,612 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 16:17:39,614 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 16:17:39,616 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 16:17:39,618 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 16:17:39,619 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 16:17:39,620 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 16:17:39,625 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 16:17:39,625 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 16:17:39,626 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 16:17:39,627 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 16:17:39,628 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 16:17:39,629 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 16:17:39,629 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 16:17:39,630 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 16:17:39,631 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 16:17:39,632 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 16:17:39,634 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 16:17:39,634 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 16:17:39,635 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 16:17:39,636 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 16:17:39,636 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 16:17:39,637 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 16:17:39,638 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 16:17:39,640 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_267ddbc0-f279-4104-b046-4fd87d1f25cd/bin/ugemcutter-CCe4ZdLeKS/config/svcomp-Reach-32bit-GemCutter_Default.epf [2022-11-20 16:17:39,666 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 16:17:39,666 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 16:17:39,667 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 16:17:39,667 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 16:17:39,668 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 16:17:39,668 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 16:17:39,669 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 16:17:39,669 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 16:17:39,669 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 16:17:39,670 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 16:17:39,670 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 16:17:39,670 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 16:17:39,670 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 16:17:39,670 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 16:17:39,671 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 16:17:39,671 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 16:17:39,671 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 16:17:39,671 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 16:17:39,671 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 16:17:39,672 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 16:17:39,672 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 16:17:39,672 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 16:17:39,672 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 16:17:39,672 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 16:17:39,673 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 16:17:39,673 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 16:17:39,673 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 16:17:39,673 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 16:17:39,673 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 16:17:39,674 INFO L138 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2022-11-20 16:17:39,674 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 16:17:39,674 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 16:17:39,674 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-11-20 16:17:39,674 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 16:17:39,675 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-11-20 16:17:39,675 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-11-20 16:17:39,675 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_267ddbc0-f279-4104-b046-4fd87d1f25cd/bin/ugemcutter-CCe4ZdLeKS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_267ddbc0-f279-4104-b046-4fd87d1f25cd/bin/ugemcutter-CCe4ZdLeKS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 80799f6c8fd7356eb24d2cdce2b9813d505d1c320a66d664e71d3261c3c21a3d [2022-11-20 16:17:39,979 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 16:17:40,014 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 16:17:40,017 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 16:17:40,018 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 16:17:40,019 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 16:17:40,020 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_267ddbc0-f279-4104-b046-4fd87d1f25cd/bin/ugemcutter-CCe4ZdLeKS/../../sv-benchmarks/c/pthread-wmm/safe026_tso.i [2022-11-20 16:17:43,237 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 16:17:43,575 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 16:17:43,575 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_267ddbc0-f279-4104-b046-4fd87d1f25cd/sv-benchmarks/c/pthread-wmm/safe026_tso.i [2022-11-20 16:17:43,602 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_267ddbc0-f279-4104-b046-4fd87d1f25cd/bin/ugemcutter-CCe4ZdLeKS/data/2b22650fe/42f68f68100b4e11a6b47471fac958fd/FLAG87a128fd4 [2022-11-20 16:17:43,624 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_267ddbc0-f279-4104-b046-4fd87d1f25cd/bin/ugemcutter-CCe4ZdLeKS/data/2b22650fe/42f68f68100b4e11a6b47471fac958fd [2022-11-20 16:17:43,630 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 16:17:43,633 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 16:17:43,635 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 16:17:43,635 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 16:17:43,639 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 16:17:43,640 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:17:43" (1/1) ... [2022-11-20 16:17:43,641 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73171468 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:17:43, skipping insertion in model container [2022-11-20 16:17:43,642 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:17:43" (1/1) ... [2022-11-20 16:17:43,650 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 16:17:43,708 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 16:17:43,957 WARN L237 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_267ddbc0-f279-4104-b046-4fd87d1f25cd/sv-benchmarks/c/pthread-wmm/safe026_tso.i[945,958] [2022-11-20 16:17:44,117 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:17:44,129 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 16:17:44,146 WARN L237 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_267ddbc0-f279-4104-b046-4fd87d1f25cd/sv-benchmarks/c/pthread-wmm/safe026_tso.i[945,958] [2022-11-20 16:17:44,201 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:17:44,241 INFO L208 MainTranslator]: Completed translation [2022-11-20 16:17:44,242 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:17:44 WrapperNode [2022-11-20 16:17:44,242 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 16:17:44,243 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 16:17:44,243 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 16:17:44,243 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 16:17:44,252 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:17:44" (1/1) ... [2022-11-20 16:17:44,265 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:17:44" (1/1) ... [2022-11-20 16:17:44,292 INFO L138 Inliner]: procedures = 176, calls = 51, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 70 [2022-11-20 16:17:44,293 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 16:17:44,293 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 16:17:44,294 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 16:17:44,294 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 16:17:44,304 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:17:44" (1/1) ... [2022-11-20 16:17:44,304 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:17:44" (1/1) ... [2022-11-20 16:17:44,308 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:17:44" (1/1) ... [2022-11-20 16:17:44,308 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:17:44" (1/1) ... [2022-11-20 16:17:44,314 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:17:44" (1/1) ... [2022-11-20 16:17:44,316 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:17:44" (1/1) ... [2022-11-20 16:17:44,318 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:17:44" (1/1) ... [2022-11-20 16:17:44,319 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:17:44" (1/1) ... [2022-11-20 16:17:44,331 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 16:17:44,346 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 16:17:44,346 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 16:17:44,346 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 16:17:44,347 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:17:44" (1/1) ... [2022-11-20 16:17:44,354 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 16:17:44,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_267ddbc0-f279-4104-b046-4fd87d1f25cd/bin/ugemcutter-CCe4ZdLeKS/z3 [2022-11-20 16:17:44,383 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_267ddbc0-f279-4104-b046-4fd87d1f25cd/bin/ugemcutter-CCe4ZdLeKS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 16:17:44,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_267ddbc0-f279-4104-b046-4fd87d1f25cd/bin/ugemcutter-CCe4ZdLeKS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 16:17:44,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 16:17:44,431 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-20 16:17:44,431 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 16:17:44,432 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 16:17:44,433 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 16:17:44,433 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-11-20 16:17:44,433 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-11-20 16:17:44,438 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-11-20 16:17:44,438 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-11-20 16:17:44,438 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-11-20 16:17:44,438 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-11-20 16:17:44,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 16:17:44,439 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-20 16:17:44,439 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 16:17:44,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 16:17:44,442 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-20 16:17:44,584 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 16:17:44,586 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 16:17:44,908 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 16:17:44,915 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 16:17:44,916 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 16:17:44,918 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:17:44 BoogieIcfgContainer [2022-11-20 16:17:44,919 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 16:17:44,922 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 16:17:44,922 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 16:17:44,925 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 16:17:44,926 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 04:17:43" (1/3) ... [2022-11-20 16:17:44,927 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bb7acaa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 04:17:44, skipping insertion in model container [2022-11-20 16:17:44,927 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:17:44" (2/3) ... [2022-11-20 16:17:44,927 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bb7acaa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 04:17:44, skipping insertion in model container [2022-11-20 16:17:44,927 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:17:44" (3/3) ... [2022-11-20 16:17:44,929 INFO L112 eAbstractionObserver]: Analyzing ICFG safe026_tso.i [2022-11-20 16:17:44,939 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-20 16:17:44,951 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 16:17:44,951 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-20 16:17:44,952 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-20 16:17:45,025 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-20 16:17:45,076 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 16:17:45,077 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-20 16:17:45,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_267ddbc0-f279-4104-b046-4fd87d1f25cd/bin/ugemcutter-CCe4ZdLeKS/z3 [2022-11-20 16:17:45,081 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_267ddbc0-f279-4104-b046-4fd87d1f25cd/bin/ugemcutter-CCe4ZdLeKS/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-11-20 16:17:45,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_267ddbc0-f279-4104-b046-4fd87d1f25cd/bin/ugemcutter-CCe4ZdLeKS/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-11-20 16:17:45,133 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-20 16:17:45,147 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-11-20 16:17:45,154 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@16d6a11e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 16:17:45,155 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-11-20 16:17:45,515 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-11-20 16:17:45,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 16:17:45,521 INFO L85 PathProgramCache]: Analyzing trace with hash 927682305, now seen corresponding path program 1 times [2022-11-20 16:17:45,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 16:17:45,531 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1345565229] [2022-11-20 16:17:45,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 16:17:45,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:17:45,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:17:45,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:17:45,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 16:17:45,848 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1345565229] [2022-11-20 16:17:45,848 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1345565229] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 16:17:45,849 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 16:17:45,849 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 16:17:45,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321768792] [2022-11-20 16:17:45,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 16:17:45,856 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-20 16:17:45,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 16:17:45,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-20 16:17:45,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-20 16:17:45,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-20 16:17:45,883 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-20 16:17:45,884 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 33.0) internal successors, (66), 2 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 16:17:45,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-20 16:17:45,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-20 16:17:45,931 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 16:17:45,932 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-11-20 16:17:45,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 16:17:45,933 INFO L85 PathProgramCache]: Analyzing trace with hash 363531355, now seen corresponding path program 1 times [2022-11-20 16:17:45,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 16:17:45,933 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [675528010] [2022-11-20 16:17:45,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 16:17:45,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:17:46,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:17:46,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:17:46,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 16:17:46,611 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [675528010] [2022-11-20 16:17:46,612 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [675528010] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 16:17:46,612 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 16:17:46,612 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-20 16:17:46,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1894065431] [2022-11-20 16:17:46,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 16:17:46,614 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-20 16:17:46,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 16:17:46,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-20 16:17:46,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-11-20 16:17:46,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-20 16:17:46,616 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-20 16:17:46,616 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.125) internal successors, (65), 8 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 16:17:46,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-20 16:17:46,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-20 16:17:46,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-20 16:17:46,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-20 16:17:46,845 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-20 16:17:46,845 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-11-20 16:17:46,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 16:17:46,846 INFO L85 PathProgramCache]: Analyzing trace with hash -1039810979, now seen corresponding path program 1 times [2022-11-20 16:17:46,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 16:17:46,847 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333578128] [2022-11-20 16:17:46,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 16:17:46,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:17:46,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:17:47,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:17:47,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 16:17:47,298 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [333578128] [2022-11-20 16:17:47,299 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [333578128] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 16:17:47,300 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 16:17:47,303 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-20 16:17:47,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958080140] [2022-11-20 16:17:47,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 16:17:47,305 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 16:17:47,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 16:17:47,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 16:17:47,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-20 16:17:47,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-20 16:17:47,309 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-20 16:17:47,313 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 6 states have internal predecessors, (69), 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) [2022-11-20 16:17:47,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-20 16:17:47,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-20 16:17:47,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-20 16:17:47,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-20 16:17:47,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-20 16:17:47,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 16:17:47,748 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-20 16:17:47,748 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-11-20 16:17:47,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 16:17:47,750 INFO L85 PathProgramCache]: Analyzing trace with hash -512570665, now seen corresponding path program 2 times [2022-11-20 16:17:47,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 16:17:47,750 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253600765] [2022-11-20 16:17:47,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 16:17:47,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:17:47,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:17:48,109 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:17:48,110 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 16:17:48,115 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1253600765] [2022-11-20 16:17:48,116 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1253600765] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 16:17:48,116 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 16:17:48,116 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-20 16:17:48,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64722203] [2022-11-20 16:17:48,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 16:17:48,120 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-20 16:17:48,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 16:17:48,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-20 16:17:48,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-11-20 16:17:48,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-20 16:17:48,122 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-20 16:17:48,123 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 7 states have internal predecessors, (69), 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) [2022-11-20 16:17:48,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-20 16:17:48,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-11-20 16:17:48,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-20 16:17:48,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-20 16:17:48,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-20 16:17:48,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-20 16:17:48,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 16:17:48,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-20 16:17:48,648 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-20 16:17:48,648 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-11-20 16:17:48,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 16:17:48,650 INFO L85 PathProgramCache]: Analyzing trace with hash 1673717085, now seen corresponding path program 3 times [2022-11-20 16:17:48,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 16:17:48,650 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1885722475] [2022-11-20 16:17:48,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 16:17:48,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:17:48,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:17:48,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:17:48,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 16:17:48,938 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1885722475] [2022-11-20 16:17:48,938 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1885722475] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 16:17:48,938 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 16:17:48,939 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-20 16:17:48,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371521783] [2022-11-20 16:17:48,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 16:17:48,940 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-20 16:17:48,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 16:17:48,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-20 16:17:48,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-20 16:17:48,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-20 16:17:48,942 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-20 16:17:48,942 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 7 states have internal predecessors, (69), 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) [2022-11-20 16:17:48,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-20 16:17:48,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-11-20 16:17:48,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-20 16:17:48,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-20 16:17:48,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-20 16:17:49,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-20 16:17:49,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-20 16:17:49,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 16:17:49,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-20 16:17:49,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-20 16:17:49,388 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-20 16:17:49,389 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-11-20 16:17:49,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 16:17:49,390 INFO L85 PathProgramCache]: Analyzing trace with hash 1915785371, now seen corresponding path program 4 times [2022-11-20 16:17:49,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 16:17:49,391 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326850596] [2022-11-20 16:17:49,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 16:17:49,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:17:49,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:17:49,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:17:49,688 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 16:17:49,688 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326850596] [2022-11-20 16:17:49,688 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1326850596] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 16:17:49,689 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 16:17:49,689 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-20 16:17:49,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1127424583] [2022-11-20 16:17:49,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 16:17:49,691 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-20 16:17:49,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 16:17:49,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-20 16:17:49,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-20 16:17:49,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-20 16:17:49,693 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-20 16:17:49,693 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 7 states have internal predecessors, (69), 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) [2022-11-20 16:17:49,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-20 16:17:49,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-11-20 16:17:49,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-20 16:17:49,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-20 16:17:49,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-20 16:17:49,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-20 16:17:50,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-20 16:17:50,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-20 16:17:50,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 16:17:50,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-20 16:17:50,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-20 16:17:50,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-20 16:17:50,238 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2022-11-20 16:17:50,239 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2022-11-20 16:17:50,239 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2022-11-20 16:17:50,245 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2022-11-20 16:17:50,246 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-20 16:17:50,259 INFO L444 BasicCegarLoop]: Path program histogram: [4, 1, 1] [2022-11-20 16:17:50,263 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-20 16:17:50,263 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 16:17:50,268 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 04:17:50 BasicIcfg [2022-11-20 16:17:50,273 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 16:17:50,274 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 16:17:50,275 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 16:17:50,275 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 16:17:50,276 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:17:44" (3/4) ... [2022-11-20 16:17:50,279 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 16:17:50,288 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2022-11-20 16:17:50,288 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2022-11-20 16:17:50,288 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2022-11-20 16:17:50,296 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2022-11-20 16:17:50,298 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-20 16:17:50,299 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-20 16:17:50,299 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 16:17:50,346 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_267ddbc0-f279-4104-b046-4fd87d1f25cd/bin/ugemcutter-CCe4ZdLeKS/witness.graphml [2022-11-20 16:17:50,347 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 16:17:50,348 INFO L158 Benchmark]: Toolchain (without parser) took 6715.72ms. Allocated memory was 130.0MB in the beginning and 211.8MB in the end (delta: 81.8MB). Free memory was 68.4MB in the beginning and 93.1MB in the end (delta: -24.7MB). Peak memory consumption was 59.8MB. Max. memory is 16.1GB. [2022-11-20 16:17:50,349 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 130.0MB. Free memory was 100.9MB in the beginning and 100.7MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 16:17:50,349 INFO L158 Benchmark]: CACSL2BoogieTranslator took 607.07ms. Allocated memory was 130.0MB in the beginning and 176.2MB in the end (delta: 46.1MB). Free memory was 68.1MB in the beginning and 133.8MB in the end (delta: -65.7MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. [2022-11-20 16:17:50,350 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.71ms. Allocated memory is still 176.2MB. Free memory was 133.8MB in the beginning and 131.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 16:17:50,350 INFO L158 Benchmark]: Boogie Preprocessor took 37.44ms. Allocated memory is still 176.2MB. Free memory was 131.7MB in the beginning and 130.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 16:17:50,351 INFO L158 Benchmark]: RCFGBuilder took 573.37ms. Allocated memory is still 176.2MB. Free memory was 130.4MB in the beginning and 117.0MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-20 16:17:50,351 INFO L158 Benchmark]: TraceAbstraction took 5351.42ms. Allocated memory was 176.2MB in the beginning and 211.8MB in the end (delta: 35.7MB). Free memory was 116.6MB in the beginning and 96.2MB in the end (delta: 20.3MB). Peak memory consumption was 102.6MB. Max. memory is 16.1GB. [2022-11-20 16:17:50,352 INFO L158 Benchmark]: Witness Printer took 73.35ms. Allocated memory is still 211.8MB. Free memory was 96.2MB in the beginning and 93.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 16:17:50,355 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 130.0MB. Free memory was 100.9MB in the beginning and 100.7MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 607.07ms. Allocated memory was 130.0MB in the beginning and 176.2MB in the end (delta: 46.1MB). Free memory was 68.1MB in the beginning and 133.8MB in the end (delta: -65.7MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.71ms. Allocated memory is still 176.2MB. Free memory was 133.8MB in the beginning and 131.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.44ms. Allocated memory is still 176.2MB. Free memory was 131.7MB in the beginning and 130.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 573.37ms. Allocated memory is still 176.2MB. Free memory was 130.4MB in the beginning and 117.0MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 5351.42ms. Allocated memory was 176.2MB in the beginning and 211.8MB in the end (delta: 35.7MB). Free memory was 116.6MB in the beginning and 96.2MB in the end (delta: 20.3MB). Peak memory consumption was 102.6MB. Max. memory is 16.1GB. * Witness Printer took 73.35ms. Allocated memory is still 211.8MB. Free memory was 96.2MB in the beginning and 93.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 31816, independent: 30802, independent conditional: 29555, independent unconditional: 1247, dependent: 1014, dependent conditional: 993, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 31529, independent: 30802, independent conditional: 29555, independent unconditional: 1247, dependent: 727, dependent conditional: 706, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 31529, independent: 30802, independent conditional: 29555, independent unconditional: 1247, dependent: 727, dependent conditional: 706, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 34213, independent: 30802, independent conditional: 346, independent unconditional: 30456, dependent: 3411, dependent conditional: 2338, dependent unconditional: 1073, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 34213, independent: 30802, independent conditional: 346, independent unconditional: 30456, dependent: 3411, dependent conditional: 254, dependent unconditional: 3157, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 34213, independent: 30802, independent conditional: 346, independent unconditional: 30456, dependent: 3411, dependent conditional: 254, dependent unconditional: 3157, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1286, independent: 1257, independent conditional: 10, independent unconditional: 1247, dependent: 29, dependent conditional: 8, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1286, independent: 1239, independent conditional: 0, independent unconditional: 1239, dependent: 47, dependent conditional: 0, dependent unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 47, independent: 18, independent conditional: 10, independent unconditional: 8, dependent: 29, dependent conditional: 8, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 47, independent: 18, independent conditional: 10, independent unconditional: 8, dependent: 29, dependent conditional: 8, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 262, independent: 161, independent conditional: 29, independent unconditional: 132, dependent: 101, dependent conditional: 22, dependent unconditional: 79, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 34213, independent: 29545, independent conditional: 336, independent unconditional: 29209, dependent: 3382, dependent conditional: 246, dependent unconditional: 3136, unknown: 1286, unknown conditional: 18, unknown unconditional: 1268] , Statistics on independence cache: Total cache size (in pairs): 1286, Positive cache size: 1257, Positive conditional cache size: 10, Positive unconditional cache size: 1247, Negative cache size: 29, Negative conditional cache size: 8, Negative unconditional cache size: 21, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 2084, Maximal queried relation: 5, Independence queries for same thread: 287 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.5s, Number of persistent set computation: 1554, Number of trivial persistent sets: 582, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1268, independent: 1247, independent conditional: 0, independent unconditional: 1247, dependent: 21, dependent conditional: 0, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 31816, independent: 30802, independent conditional: 29555, independent unconditional: 1247, dependent: 1014, dependent conditional: 993, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 31529, independent: 30802, independent conditional: 29555, independent unconditional: 1247, dependent: 727, dependent conditional: 706, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 31529, independent: 30802, independent conditional: 29555, independent unconditional: 1247, dependent: 727, dependent conditional: 706, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 34213, independent: 30802, independent conditional: 346, independent unconditional: 30456, dependent: 3411, dependent conditional: 2338, dependent unconditional: 1073, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 34213, independent: 30802, independent conditional: 346, independent unconditional: 30456, dependent: 3411, dependent conditional: 254, dependent unconditional: 3157, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 34213, independent: 30802, independent conditional: 346, independent unconditional: 30456, dependent: 3411, dependent conditional: 254, dependent unconditional: 3157, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1286, independent: 1257, independent conditional: 10, independent unconditional: 1247, dependent: 29, dependent conditional: 8, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1286, independent: 1239, independent conditional: 0, independent unconditional: 1239, dependent: 47, dependent conditional: 0, dependent unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 47, independent: 18, independent conditional: 10, independent unconditional: 8, dependent: 29, dependent conditional: 8, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 47, independent: 18, independent conditional: 10, independent unconditional: 8, dependent: 29, dependent conditional: 8, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 262, independent: 161, independent conditional: 29, independent unconditional: 132, dependent: 101, dependent conditional: 22, dependent unconditional: 79, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 34213, independent: 29545, independent conditional: 336, independent unconditional: 29209, dependent: 3382, dependent conditional: 246, dependent unconditional: 3136, unknown: 1286, unknown conditional: 18, unknown unconditional: 1268] , Statistics on independence cache: Total cache size (in pairs): 1286, Positive cache size: 1257, Positive conditional cache size: 10, Positive unconditional cache size: 1247, Negative cache size: 29, Negative conditional cache size: 8, Negative unconditional cache size: 21, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 2084, Maximal queried relation: 5, Independence queries for same thread: 287 - 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, 112 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 5.1s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 4, EmptinessCheckTime: 2.6s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 45, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 407 NumberOfCodeBlocks, 407 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 401 ConstructedInterpolants, 0 QuantifiedInterpolants, 1071 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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! [2022-11-20 16:17:50,391 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_267ddbc0-f279-4104-b046-4fd87d1f25cd/bin/ugemcutter-CCe4ZdLeKS/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2022-11-20 16:17:50,594 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_267ddbc0-f279-4104-b046-4fd87d1f25cd/bin/ugemcutter-CCe4ZdLeKS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE