./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/safe027_pso.oepc_pso.opt_tso.oepc_tso.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd34bb85-5149-4506-a40c-dae8a699c7db/bin/ugemcutter-verify-Z6otQMs9Ca/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd34bb85-5149-4506-a40c-dae8a699c7db/bin/ugemcutter-verify-Z6otQMs9Ca/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd34bb85-5149-4506-a40c-dae8a699c7db/bin/ugemcutter-verify-Z6otQMs9Ca/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd34bb85-5149-4506-a40c-dae8a699c7db/bin/ugemcutter-verify-Z6otQMs9Ca/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe027_pso.oepc_pso.opt_tso.oepc_tso.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd34bb85-5149-4506-a40c-dae8a699c7db/bin/ugemcutter-verify-Z6otQMs9Ca/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd34bb85-5149-4506-a40c-dae8a699c7db/bin/ugemcutter-verify-Z6otQMs9Ca --witnessprinter.witness.filename witness --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 7912270168edfe57ed71790473a28594e3bc48002f5ead86961705c042bbf781 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 11:28:09,608 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 11:28:09,711 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd34bb85-5149-4506-a40c-dae8a699c7db/bin/ugemcutter-verify-Z6otQMs9Ca/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-11-23 11:28:09,718 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 11:28:09,720 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 11:28:09,754 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 11:28:09,754 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 11:28:09,755 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 11:28:09,756 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 11:28:09,756 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 11:28:09,756 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 11:28:09,756 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 11:28:09,756 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 11:28:09,756 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 11:28:09,757 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 11:28:09,757 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 11:28:09,757 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 11:28:09,757 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 11:28:09,757 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 11:28:09,757 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 11:28:09,757 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 11:28:09,757 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 11:28:09,757 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 11:28:09,757 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 11:28:09,759 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 11:28:09,759 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 11:28:09,759 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 11:28:09,759 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 11:28:09,760 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 11:28:09,760 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 11:28:09,760 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-23 11:28:09,760 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 11:28:09,760 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 11:28:09,761 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 11:28:09,761 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2024-11-23 11:28:09,761 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 11:28:09,761 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 11:28:09,761 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-11-23 11:28:09,761 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-23 11:28:09,761 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 11:28:09,761 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-11-23 11:28:09,761 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-11-23 11:28:09,761 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-11-23 11:28:09,761 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_bd34bb85-5149-4506-a40c-dae8a699c7db/bin/ugemcutter-verify-Z6otQMs9Ca Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness 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 -> 7912270168edfe57ed71790473a28594e3bc48002f5ead86961705c042bbf781 [2024-11-23 11:28:10,042 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 11:28:10,051 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 11:28:10,054 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 11:28:10,055 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 11:28:10,056 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 11:28:10,057 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd34bb85-5149-4506-a40c-dae8a699c7db/bin/ugemcutter-verify-Z6otQMs9Ca/../../sv-benchmarks/c/pthread-wmm/safe027_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2024-11-23 11:28:13,070 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd34bb85-5149-4506-a40c-dae8a699c7db/bin/ugemcutter-verify-Z6otQMs9Ca/data/fe3293da4/087dbc8181b94cad95f8722d97a7912a/FLAG77562be61 [2024-11-23 11:28:13,457 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 11:28:13,458 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd34bb85-5149-4506-a40c-dae8a699c7db/sv-benchmarks/c/pthread-wmm/safe027_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2024-11-23 11:28:13,482 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd34bb85-5149-4506-a40c-dae8a699c7db/bin/ugemcutter-verify-Z6otQMs9Ca/data/fe3293da4/087dbc8181b94cad95f8722d97a7912a/FLAG77562be61 [2024-11-23 11:28:13,504 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd34bb85-5149-4506-a40c-dae8a699c7db/bin/ugemcutter-verify-Z6otQMs9Ca/data/fe3293da4/087dbc8181b94cad95f8722d97a7912a [2024-11-23 11:28:13,508 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 11:28:13,511 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 11:28:13,512 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 11:28:13,513 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 11:28:13,518 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 11:28:13,519 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:28:13" (1/1) ... [2024-11-23 11:28:13,522 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9ae2283 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:28:13, skipping insertion in model container [2024-11-23 11:28:13,522 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:28:13" (1/1) ... [2024-11-23 11:28:13,552 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 11:28:13,762 WARN L250 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_bd34bb85-5149-4506-a40c-dae8a699c7db/sv-benchmarks/c/pthread-wmm/safe027_pso.oepc_pso.opt_tso.oepc_tso.opt.i[975,988] [2024-11-23 11:28:13,988 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 11:28:13,998 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 11:28:14,009 WARN L250 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_bd34bb85-5149-4506-a40c-dae8a699c7db/sv-benchmarks/c/pthread-wmm/safe027_pso.oepc_pso.opt_tso.oepc_tso.opt.i[975,988] [2024-11-23 11:28:14,070 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 11:28:14,114 INFO L204 MainTranslator]: Completed translation [2024-11-23 11:28:14,115 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:28:14 WrapperNode [2024-11-23 11:28:14,115 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 11:28:14,117 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 11:28:14,117 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 11:28:14,117 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 11:28:14,131 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:28:14" (1/1) ... [2024-11-23 11:28:14,145 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:28:14" (1/1) ... [2024-11-23 11:28:14,173 INFO L138 Inliner]: procedures = 176, calls = 46, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 66 [2024-11-23 11:28:14,174 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 11:28:14,176 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 11:28:14,176 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 11:28:14,176 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 11:28:14,183 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:28:14" (1/1) ... [2024-11-23 11:28:14,184 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:28:14" (1/1) ... [2024-11-23 11:28:14,188 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:28:14" (1/1) ... [2024-11-23 11:28:14,192 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:28:14" (1/1) ... [2024-11-23 11:28:14,204 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:28:14" (1/1) ... [2024-11-23 11:28:14,205 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:28:14" (1/1) ... [2024-11-23 11:28:14,206 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:28:14" (1/1) ... [2024-11-23 11:28:14,208 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:28:14" (1/1) ... [2024-11-23 11:28:14,212 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:28:14" (1/1) ... [2024-11-23 11:28:14,214 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 11:28:14,219 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 11:28:14,219 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 11:28:14,219 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 11:28:14,220 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:28:14" (1/1) ... [2024-11-23 11:28:14,226 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-23 11:28:14,239 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd34bb85-5149-4506-a40c-dae8a699c7db/bin/ugemcutter-verify-Z6otQMs9Ca/z3 [2024-11-23 11:28:14,258 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd34bb85-5149-4506-a40c-dae8a699c7db/bin/ugemcutter-verify-Z6otQMs9Ca/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-23 11:28:14,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd34bb85-5149-4506-a40c-dae8a699c7db/bin/ugemcutter-verify-Z6otQMs9Ca/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-23 11:28:14,298 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-23 11:28:14,298 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 11:28:14,298 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-23 11:28:14,298 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-23 11:28:14,298 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-23 11:28:14,298 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-23 11:28:14,298 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-11-23 11:28:14,299 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-11-23 11:28:14,299 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2024-11-23 11:28:14,299 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2024-11-23 11:28:14,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-23 11:28:14,299 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-23 11:28:14,299 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 11:28:14,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 11:28:14,301 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-23 11:28:14,454 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 11:28:14,456 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 11:28:14,729 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-23 11:28:14,729 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 11:28:14,837 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 11:28:14,838 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-23 11:28:14,838 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:28:14 BoogieIcfgContainer [2024-11-23 11:28:14,838 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 11:28:14,841 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 11:28:14,841 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 11:28:14,851 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 11:28:14,851 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:28:13" (1/3) ... [2024-11-23 11:28:14,852 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a8d13c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:28:14, skipping insertion in model container [2024-11-23 11:28:14,852 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:28:14" (2/3) ... [2024-11-23 11:28:14,852 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a8d13c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:28:14, skipping insertion in model container [2024-11-23 11:28:14,852 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:28:14" (3/3) ... [2024-11-23 11:28:14,854 INFO L128 eAbstractionObserver]: Analyzing ICFG safe027_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2024-11-23 11:28:14,871 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 11:28:14,872 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG safe027_pso.oepc_pso.opt_tso.oepc_tso.opt.i that has 5 procedures, 45 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2024-11-23 11:28:14,873 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-23 11:28:14,958 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-23 11:28:15,024 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 11:28:15,025 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-11-23 11:28:15,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd34bb85-5149-4506-a40c-dae8a699c7db/bin/ugemcutter-verify-Z6otQMs9Ca/z3 [2024-11-23 11:28:15,027 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd34bb85-5149-4506-a40c-dae8a699c7db/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-11-23 11:28:15,030 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd34bb85-5149-4506-a40c-dae8a699c7db/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-11-23 11:28:15,183 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-23 11:28:15,217 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-23 11:28:15,228 INFO L333 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, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@5d0a7a42, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 11:28:15,229 INFO L334 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-11-23 11:28:16,214 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-23 11:28:16,214 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-23 11:28:16,215 INFO L139 ounterexampleChecker]: Examining path program with hash -1979898927, occurence #1 [2024-11-23 11:28:16,215 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-23 11:28:16,215 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-23 11:28:16,220 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:28:16,220 INFO L85 PathProgramCache]: Analyzing trace with hash 379898618, now seen corresponding path program 1 times [2024-11-23 11:28:16,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:28:16,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [313950163] [2024-11-23 11:28:16,227 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:28:16,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:28:16,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 11:28:17,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 11:28:17,042 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:28:17,042 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [313950163] [2024-11-23 11:28:17,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [313950163] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 11:28:17,043 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 11:28:17,044 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 11:28:17,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089448147] [2024-11-23 11:28:17,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 11:28:17,049 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 11:28:17,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:28:17,075 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 11:28:17,076 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-23 11:28:17,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:28:17,078 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:28:17,079 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 5 states have internal predecessors, (32), 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) [2024-11-23 11:28:17,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:28:17,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:28:17,496 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-23 11:28:17,496 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-23 11:28:17,496 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-23 11:28:17,496 INFO L139 ounterexampleChecker]: Examining path program with hash -1419310102, occurence #1 [2024-11-23 11:28:17,496 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-23 11:28:17,496 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-23 11:28:17,497 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:28:17,497 INFO L85 PathProgramCache]: Analyzing trace with hash 304205627, now seen corresponding path program 1 times [2024-11-23 11:28:17,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:28:17,497 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1983573882] [2024-11-23 11:28:17,497 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:28:17,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:28:17,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 11:28:17,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 11:28:17,834 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:28:17,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1983573882] [2024-11-23 11:28:17,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1983573882] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 11:28:17,835 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 11:28:17,835 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-23 11:28:17,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240958535] [2024-11-23 11:28:17,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 11:28:17,836 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-23 11:28:17,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:28:17,837 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-23 11:28:17,837 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-23 11:28:17,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:28:17,838 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:28:17,838 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.857142857142857) internal successors, (34), 6 states have internal predecessors, (34), 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) [2024-11-23 11:28:17,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:28:17,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:28:18,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:28:18,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 11:28:18,053 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-23 11:28:18,053 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-23 11:28:18,053 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-23 11:28:18,053 INFO L139 ounterexampleChecker]: Examining path program with hash 126679411, occurence #1 [2024-11-23 11:28:18,053 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-23 11:28:18,053 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-23 11:28:18,054 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:28:18,054 INFO L85 PathProgramCache]: Analyzing trace with hash -571934244, now seen corresponding path program 1 times [2024-11-23 11:28:18,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:28:18,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1225873194] [2024-11-23 11:28:18,054 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:28:18,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:28:18,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 11:28:18,405 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 11:28:18,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:28:18,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1225873194] [2024-11-23 11:28:18,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1225873194] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 11:28:18,406 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 11:28:18,406 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-23 11:28:18,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820896920] [2024-11-23 11:28:18,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 11:28:18,406 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 11:28:18,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:28:18,407 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 11:28:18,407 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-23 11:28:18,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:28:18,407 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:28:18,407 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 11:28:18,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:28:18,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-23 11:28:18,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:28:20,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:28:20,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 11:28:20,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 11:28:20,060 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-23 11:28:20,061 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-23 11:28:20,061 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-23 11:28:20,061 INFO L139 ounterexampleChecker]: Examining path program with hash -681726223, occurence #1 [2024-11-23 11:28:20,061 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-23 11:28:20,061 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-23 11:28:20,062 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:28:20,062 INFO L85 PathProgramCache]: Analyzing trace with hash 239924120, now seen corresponding path program 2 times [2024-11-23 11:28:20,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:28:20,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [229848437] [2024-11-23 11:28:20,062 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-23 11:28:20,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:28:20,088 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-23 11:28:20,088 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 11:28:20,335 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 11:28:20,335 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:28:20,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [229848437] [2024-11-23 11:28:20,339 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [229848437] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 11:28:20,339 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 11:28:20,339 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 11:28:20,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [974994199] [2024-11-23 11:28:20,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 11:28:20,339 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 11:28:20,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:28:20,340 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 11:28:20,340 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-23 11:28:20,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:28:20,340 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:28:20,340 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 5 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 11:28:20,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:28:20,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-23 11:28:20,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-23 11:28:20,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:28:21,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:28:21,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 11:28:21,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 11:28:21,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 11:28:21,129 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-23 11:28:21,129 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-23 11:28:21,129 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-23 11:28:21,129 INFO L139 ounterexampleChecker]: Examining path program with hash 214296681, occurence #1 [2024-11-23 11:28:21,129 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-23 11:28:21,130 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-23 11:28:21,130 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:28:21,130 INFO L85 PathProgramCache]: Analyzing trace with hash -536628484, now seen corresponding path program 3 times [2024-11-23 11:28:21,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:28:21,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356927877] [2024-11-23 11:28:21,130 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-23 11:28:21,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:28:21,144 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-23 11:28:21,144 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 11:28:21,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 11:28:21,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:28:21,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [356927877] [2024-11-23 11:28:21,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [356927877] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 11:28:21,342 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 11:28:21,342 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-23 11:28:21,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149418829] [2024-11-23 11:28:21,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 11:28:21,342 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 11:28:21,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:28:21,343 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 11:28:21,343 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-23 11:28:21,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:28:21,343 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:28:21,343 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 11:28:21,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:28:21,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-23 11:28:21,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-23 11:28:21,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-23 11:28:21,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:28:22,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:28:22,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 11:28:22,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 11:28:22,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 11:28:22,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 11:28:22,001 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-23 11:28:22,001 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-23 11:28:22,001 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-23 11:28:22,001 INFO L139 ounterexampleChecker]: Examining path program with hash -2039302064, occurence #1 [2024-11-23 11:28:22,001 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-23 11:28:22,001 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-23 11:28:22,002 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:28:22,002 INFO L85 PathProgramCache]: Analyzing trace with hash -1522789192, now seen corresponding path program 4 times [2024-11-23 11:28:22,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:28:22,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [536399340] [2024-11-23 11:28:22,002 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-23 11:28:22,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:28:22,017 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-23 11:28:22,017 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 11:28:22,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 11:28:22,203 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:28:22,203 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [536399340] [2024-11-23 11:28:22,203 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [536399340] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 11:28:22,203 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 11:28:22,203 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-23 11:28:22,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624206846] [2024-11-23 11:28:22,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 11:28:22,204 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-23 11:28:22,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:28:22,204 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-23 11:28:22,204 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-23 11:28:22,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:28:22,205 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:28:22,205 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 6 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 11:28:22,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:28:22,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-23 11:28:22,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-23 11:28:22,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-23 11:28:22,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-23 11:28:22,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:28:23,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:28:23,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 11:28:23,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 11:28:23,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 11:28:23,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 11:28:23,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 11:28:23,229 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2024-11-23 11:28:23,230 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 5 remaining) [2024-11-23 11:28:23,230 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2024-11-23 11:28:23,230 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2024-11-23 11:28:23,230 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining) [2024-11-23 11:28:23,230 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-23 11:28:23,239 INFO L422 BasicCegarLoop]: Path program histogram: [4, 1, 1] [2024-11-23 11:28:23,243 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-23 11:28:23,243 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-23 11:28:23,257 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd34bb85-5149-4506-a40c-dae8a699c7db/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2024-11-23 11:28:23,257 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 11:28:23 BasicIcfg [2024-11-23 11:28:23,257 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-23 11:28:23,258 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-23 11:28:23,258 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-23 11:28:23,258 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-23 11:28:23,259 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:28:14" (3/4) ... [2024-11-23 11:28:23,263 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-23 11:28:23,266 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2024-11-23 11:28:23,267 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2024-11-23 11:28:23,268 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2024-11-23 11:28:23,268 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P3 [2024-11-23 11:28:23,276 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 42 nodes and edges [2024-11-23 11:28:23,276 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-11-23 11:28:23,276 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-23 11:28:23,276 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-23 11:28:23,361 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd34bb85-5149-4506-a40c-dae8a699c7db/bin/ugemcutter-verify-Z6otQMs9Ca/witness.graphml [2024-11-23 11:28:23,362 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd34bb85-5149-4506-a40c-dae8a699c7db/bin/ugemcutter-verify-Z6otQMs9Ca/witness.yml [2024-11-23 11:28:23,362 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-23 11:28:23,365 INFO L158 Benchmark]: Toolchain (without parser) took 9853.33ms. Allocated memory was 117.4MB in the beginning and 436.2MB in the end (delta: 318.8MB). Free memory was 92.9MB in the beginning and 361.7MB in the end (delta: -268.8MB). Peak memory consumption was 45.7MB. Max. memory is 16.1GB. [2024-11-23 11:28:23,365 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 167.8MB. Free memory is still 103.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 11:28:23,365 INFO L158 Benchmark]: CACSL2BoogieTranslator took 604.29ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 72.2MB in the end (delta: 20.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-23 11:28:23,366 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.30ms. Allocated memory is still 117.4MB. Free memory was 72.2MB in the beginning and 70.5MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 11:28:23,366 INFO L158 Benchmark]: Boogie Preprocessor took 42.89ms. Allocated memory is still 117.4MB. Free memory was 70.5MB in the beginning and 69.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 11:28:23,366 INFO L158 Benchmark]: RCFGBuilder took 619.15ms. Allocated memory is still 117.4MB. Free memory was 69.4MB in the beginning and 50.1MB in the end (delta: 19.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-23 11:28:23,367 INFO L158 Benchmark]: TraceAbstraction took 8416.41ms. Allocated memory was 117.4MB in the beginning and 436.2MB in the end (delta: 318.8MB). Free memory was 49.4MB in the beginning and 365.2MB in the end (delta: -315.8MB). Peak memory consumption was 171.5MB. Max. memory is 16.1GB. [2024-11-23 11:28:23,367 INFO L158 Benchmark]: Witness Printer took 103.68ms. Allocated memory is still 436.2MB. Free memory was 365.2MB in the beginning and 361.7MB in the end (delta: 3.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 11:28:23,371 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42ms. Allocated memory is still 167.8MB. Free memory is still 103.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 604.29ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 72.2MB in the end (delta: 20.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.30ms. Allocated memory is still 117.4MB. Free memory was 72.2MB in the beginning and 70.5MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.89ms. Allocated memory is still 117.4MB. Free memory was 70.5MB in the beginning and 69.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 619.15ms. Allocated memory is still 117.4MB. Free memory was 69.4MB in the beginning and 50.1MB in the end (delta: 19.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 8416.41ms. Allocated memory was 117.4MB in the beginning and 436.2MB in the end (delta: 318.8MB). Free memory was 49.4MB in the beginning and 365.2MB in the end (delta: -315.8MB). Peak memory consumption was 171.5MB. Max. memory is 16.1GB. * Witness Printer took 103.68ms. Allocated memory is still 436.2MB. Free memory was 365.2MB in the beginning and 361.7MB in the end (delta: 3.5MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 110221, independent: 108510, independent conditional: 107490, independent unconditional: 1020, dependent: 1711, dependent conditional: 1686, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 110221, independent: 108510, independent conditional: 107490, independent unconditional: 1020, dependent: 1711, dependent conditional: 1686, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 110221, independent: 108510, independent conditional: 107490, independent unconditional: 1020, dependent: 1711, dependent conditional: 1686, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 128869, independent: 108510, independent conditional: 107490, independent unconditional: 1020, dependent: 20359, dependent conditional: 20334, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 128869, independent: 108510, independent conditional: 3896, independent unconditional: 104614, dependent: 20359, dependent conditional: 1185, dependent unconditional: 19174, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 128869, independent: 108510, independent conditional: 3896, independent unconditional: 104614, dependent: 20359, dependent conditional: 1185, dependent unconditional: 19174, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1074, independent: 1041, independent conditional: 21, independent unconditional: 1020, dependent: 33, dependent conditional: 8, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1074, independent: 1005, independent conditional: 0, independent unconditional: 1005, dependent: 69, dependent conditional: 0, dependent unconditional: 69, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 69, independent: 36, independent conditional: 21, independent unconditional: 15, dependent: 33, dependent conditional: 8, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 69, independent: 36, independent conditional: 21, independent unconditional: 15, dependent: 33, dependent conditional: 8, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1694, independent: 648, independent conditional: 403, independent unconditional: 245, dependent: 1047, dependent conditional: 120, dependent unconditional: 926, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 128869, independent: 107469, independent conditional: 3875, independent unconditional: 103594, dependent: 20326, dependent conditional: 1177, dependent unconditional: 19149, unknown: 1074, unknown conditional: 29, unknown unconditional: 1045] , Statistics on independence cache: Total cache size (in pairs): 1074, Positive cache size: 1041, Positive conditional cache size: 21, Positive unconditional cache size: 1020, Negative cache size: 33, Negative conditional cache size: 8, Negative unconditional cache size: 25, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 122743, Maximal queried relation: 5, Independence queries for same thread: 0, Persistent sets #1 benchmarks: Persistent set computation time: 1.7s, Number of persistent set computation: 3287, Number of trivial persistent sets: 1705, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1045, independent: 1020, independent conditional: 0, independent unconditional: 1020, dependent: 25, dependent conditional: 0, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 110221, independent: 108510, independent conditional: 107490, independent unconditional: 1020, dependent: 1711, dependent conditional: 1686, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 110221, independent: 108510, independent conditional: 107490, independent unconditional: 1020, dependent: 1711, dependent conditional: 1686, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 110221, independent: 108510, independent conditional: 107490, independent unconditional: 1020, dependent: 1711, dependent conditional: 1686, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 128869, independent: 108510, independent conditional: 107490, independent unconditional: 1020, dependent: 20359, dependent conditional: 20334, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 128869, independent: 108510, independent conditional: 3896, independent unconditional: 104614, dependent: 20359, dependent conditional: 1185, dependent unconditional: 19174, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 128869, independent: 108510, independent conditional: 3896, independent unconditional: 104614, dependent: 20359, dependent conditional: 1185, dependent unconditional: 19174, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1074, independent: 1041, independent conditional: 21, independent unconditional: 1020, dependent: 33, dependent conditional: 8, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1074, independent: 1005, independent conditional: 0, independent unconditional: 1005, dependent: 69, dependent conditional: 0, dependent unconditional: 69, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 69, independent: 36, independent conditional: 21, independent unconditional: 15, dependent: 33, dependent conditional: 8, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 69, independent: 36, independent conditional: 21, independent unconditional: 15, dependent: 33, dependent conditional: 8, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1694, independent: 648, independent conditional: 403, independent unconditional: 245, dependent: 1047, dependent conditional: 120, dependent unconditional: 926, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 128869, independent: 107469, independent conditional: 3875, independent unconditional: 103594, dependent: 20326, dependent conditional: 1177, dependent unconditional: 19149, unknown: 1074, unknown conditional: 29, unknown unconditional: 1045] , Statistics on independence cache: Total cache size (in pairs): 1074, Positive cache size: 1041, Positive conditional cache size: 21, Positive unconditional cache size: 1020, Negative cache size: 33, Negative conditional cache size: 8, Negative unconditional cache size: 25, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 122743, Maximal queried relation: 5, Independence queries for same thread: 0 - PositiveResult [Line: 18]: a call to reach_error is unreachable For all program executions holds that a 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 9 procedures, 75 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 8.1s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 4, EmptinessCheckTime: 5.7s, 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: 37, 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, 0.1s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 214 NumberOfCodeBlocks, 214 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 208 ConstructedInterpolants, 0 QuantifiedInterpolants, 988 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, ConComCheckerStatistics: SuccessfulCommutativityProofs: 0, ConComChecker Statistics: CheckTime [ms]: 0, ConditionCalculationTime [ms]: 0, ConditionCalculations: 0, QuantifiedConditions: 0, TraceChecks: 0, UnknownTraceChecks: 0, ImperfectProofs: 0 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-23 11:28:23,397 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd34bb85-5149-4506-a40c-dae8a699c7db/bin/ugemcutter-verify-Z6otQMs9Ca/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE