./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/goblint-regression/36-apron_22-traces-write-centered-vs-meet-mutex_true_no-overflow.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_dd0f8f2b-54fc-4b8f-b480-5d6793114ccc/bin/ugemcutter-verify-Z6otQMs9Ca/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0f8f2b-54fc-4b8f-b480-5d6793114ccc/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_dd0f8f2b-54fc-4b8f-b480-5d6793114ccc/bin/ugemcutter-verify-Z6otQMs9Ca/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0f8f2b-54fc-4b8f-b480-5d6793114ccc/bin/ugemcutter-verify-Z6otQMs9Ca/config/GemCutterReach.xml -i ../../sv-benchmarks/c/goblint-regression/36-apron_22-traces-write-centered-vs-meet-mutex_true_no-overflow.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0f8f2b-54fc-4b8f-b480-5d6793114ccc/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_dd0f8f2b-54fc-4b8f-b480-5d6793114ccc/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 6883737711af32a6a824eca7af237353e2fdaf7712a6b3c22083c0d47b565ee7 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 11:35:20,311 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 11:35:20,379 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0f8f2b-54fc-4b8f-b480-5d6793114ccc/bin/ugemcutter-verify-Z6otQMs9Ca/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-11-23 11:35:20,385 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 11:35:20,385 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 11:35:20,411 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 11:35:20,412 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 11:35:20,412 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 11:35:20,413 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 11:35:20,413 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 11:35:20,413 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 11:35:20,414 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 11:35:20,414 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 11:35:20,414 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 11:35:20,414 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 11:35:20,414 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 11:35:20,415 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 11:35:20,415 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 11:35:20,415 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 11:35:20,415 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 11:35:20,415 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 11:35:20,415 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 11:35:20,416 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 11:35:20,416 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 11:35:20,416 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 11:35:20,416 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 11:35:20,416 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 11:35:20,417 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 11:35:20,417 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 11:35:20,417 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 11:35:20,417 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-23 11:35:20,417 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 11:35:20,417 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 11:35:20,418 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 11:35:20,418 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2024-11-23 11:35:20,418 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 11:35:20,418 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 11:35:20,418 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-11-23 11:35:20,418 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-23 11:35:20,419 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 11:35:20,419 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-11-23 11:35:20,419 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-11-23 11:35:20,419 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-11-23 11:35:20,419 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_dd0f8f2b-54fc-4b8f-b480-5d6793114ccc/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 -> 6883737711af32a6a824eca7af237353e2fdaf7712a6b3c22083c0d47b565ee7 [2024-11-23 11:35:20,761 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 11:35:20,777 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 11:35:20,779 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 11:35:20,783 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 11:35:20,783 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 11:35:20,786 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0f8f2b-54fc-4b8f-b480-5d6793114ccc/bin/ugemcutter-verify-Z6otQMs9Ca/../../sv-benchmarks/c/goblint-regression/36-apron_22-traces-write-centered-vs-meet-mutex_true_no-overflow.i [2024-11-23 11:35:23,999 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0f8f2b-54fc-4b8f-b480-5d6793114ccc/bin/ugemcutter-verify-Z6otQMs9Ca/data/4afbe664c/ef8cd9b2c05b4105b7b28c10dbdade85/FLAG91c7c561a [2024-11-23 11:35:24,448 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 11:35:24,449 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0f8f2b-54fc-4b8f-b480-5d6793114ccc/sv-benchmarks/c/goblint-regression/36-apron_22-traces-write-centered-vs-meet-mutex_true_no-overflow.i [2024-11-23 11:35:24,476 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0f8f2b-54fc-4b8f-b480-5d6793114ccc/bin/ugemcutter-verify-Z6otQMs9Ca/data/4afbe664c/ef8cd9b2c05b4105b7b28c10dbdade85/FLAG91c7c561a [2024-11-23 11:35:24,501 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0f8f2b-54fc-4b8f-b480-5d6793114ccc/bin/ugemcutter-verify-Z6otQMs9Ca/data/4afbe664c/ef8cd9b2c05b4105b7b28c10dbdade85 [2024-11-23 11:35:24,506 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 11:35:24,508 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 11:35:24,512 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 11:35:24,513 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 11:35:24,522 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 11:35:24,523 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:35:24" (1/1) ... [2024-11-23 11:35:24,524 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9b681fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:35:24, skipping insertion in model container [2024-11-23 11:35:24,524 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:35:24" (1/1) ... [2024-11-23 11:35:24,581 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 11:35:24,811 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_dd0f8f2b-54fc-4b8f-b480-5d6793114ccc/sv-benchmarks/c/goblint-regression/36-apron_22-traces-write-centered-vs-meet-mutex_true_no-overflow.i[1120,1133] [2024-11-23 11:35:25,097 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 11:35:25,124 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 11:35:25,141 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_dd0f8f2b-54fc-4b8f-b480-5d6793114ccc/sv-benchmarks/c/goblint-regression/36-apron_22-traces-write-centered-vs-meet-mutex_true_no-overflow.i[1120,1133] [2024-11-23 11:35:25,227 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 11:35:25,276 INFO L204 MainTranslator]: Completed translation [2024-11-23 11:35:25,277 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:35:25 WrapperNode [2024-11-23 11:35:25,277 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 11:35:25,278 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 11:35:25,278 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 11:35:25,278 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 11:35:25,288 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:35:25" (1/1) ... [2024-11-23 11:35:25,311 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:35:25" (1/1) ... [2024-11-23 11:35:25,350 INFO L138 Inliner]: procedures = 165, calls = 46, calls flagged for inlining = 9, calls inlined = 11, statements flattened = 162 [2024-11-23 11:35:25,351 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 11:35:25,351 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 11:35:25,352 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 11:35:25,352 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 11:35:25,361 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:35:25" (1/1) ... [2024-11-23 11:35:25,362 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:35:25" (1/1) ... [2024-11-23 11:35:25,367 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:35:25" (1/1) ... [2024-11-23 11:35:25,371 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:35:25" (1/1) ... [2024-11-23 11:35:25,384 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:35:25" (1/1) ... [2024-11-23 11:35:25,389 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:35:25" (1/1) ... [2024-11-23 11:35:25,392 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:35:25" (1/1) ... [2024-11-23 11:35:25,397 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:35:25" (1/1) ... [2024-11-23 11:35:25,398 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:35:25" (1/1) ... [2024-11-23 11:35:25,404 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 11:35:25,406 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 11:35:25,406 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 11:35:25,406 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 11:35:25,407 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:35:25" (1/1) ... [2024-11-23 11:35:25,414 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-23 11:35:25,430 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0f8f2b-54fc-4b8f-b480-5d6793114ccc/bin/ugemcutter-verify-Z6otQMs9Ca/z3 [2024-11-23 11:35:25,451 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0f8f2b-54fc-4b8f-b480-5d6793114ccc/bin/ugemcutter-verify-Z6otQMs9Ca/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-23 11:35:25,457 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0f8f2b-54fc-4b8f-b480-5d6793114ccc/bin/ugemcutter-verify-Z6otQMs9Ca/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-23 11:35:25,492 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-23 11:35:25,492 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 11:35:25,493 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-23 11:35:25,493 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-23 11:35:25,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-23 11:35:25,493 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-23 11:35:25,493 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 11:35:25,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 11:35:25,495 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 11:35:25,706 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 11:35:25,709 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 11:35:26,118 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-23 11:35:26,118 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 11:35:26,495 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 11:35:26,495 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-23 11:35:26,496 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:35:26 BoogieIcfgContainer [2024-11-23 11:35:26,496 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 11:35:26,498 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 11:35:26,498 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 11:35:26,503 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 11:35:26,503 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:35:24" (1/3) ... [2024-11-23 11:35:26,504 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b96832d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:35:26, skipping insertion in model container [2024-11-23 11:35:26,504 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:35:25" (2/3) ... [2024-11-23 11:35:26,504 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b96832d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:35:26, skipping insertion in model container [2024-11-23 11:35:26,504 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:35:26" (3/3) ... [2024-11-23 11:35:26,506 INFO L128 eAbstractionObserver]: Analyzing ICFG 36-apron_22-traces-write-centered-vs-meet-mutex_true_no-overflow.i [2024-11-23 11:35:26,525 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 11:35:26,527 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 36-apron_22-traces-write-centered-vs-meet-mutex_true_no-overflow.i that has 2 procedures, 50 locations, 1 initial locations, 0 loop locations, and 3 error locations. [2024-11-23 11:35:26,527 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-23 11:35:26,591 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-23 11:35:26,669 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 11:35:26,670 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-11-23 11:35:26,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0f8f2b-54fc-4b8f-b480-5d6793114ccc/bin/ugemcutter-verify-Z6otQMs9Ca/z3 [2024-11-23 11:35:26,676 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0f8f2b-54fc-4b8f-b480-5d6793114ccc/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-11-23 11:35:26,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0f8f2b-54fc-4b8f-b480-5d6793114ccc/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-11-23 11:35:26,790 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-23 11:35:26,815 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t_funThread1of1ForFork0 ======== [2024-11-23 11:35:26,827 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;@240cfb26, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 11:35:26,829 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-11-23 11:35:27,262 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr1ASSERT_VIOLATIONERROR_FUNCTION, t_funErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 11:35:27,263 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-23 11:35:27,263 INFO L139 ounterexampleChecker]: Examining path program with hash -283548412, occurence #1 [2024-11-23 11:35:27,263 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-23 11:35:27,263 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-23 11:35:27,270 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:35:27,270 INFO L85 PathProgramCache]: Analyzing trace with hash 2054869766, now seen corresponding path program 1 times [2024-11-23 11:35:27,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:35:27,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1451209403] [2024-11-23 11:35:27,283 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:35:27,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:35:27,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 11:35:27,889 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 11:35:27,893 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:35:27,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1451209403] [2024-11-23 11:35:27,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1451209403] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 11:35:27,895 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 11:35:27,895 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 11:35:27,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433746821] [2024-11-23 11:35:27,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 11:35:27,905 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 11:35:27,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:35:27,933 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 11:35:27,934 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 11:35:27,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:35:27,938 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:35:27,939 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 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 11:35:27,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:35:28,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:35:28,087 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-23 11:35:28,087 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr1ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr1ASSERT_VIOLATIONERROR_FUNCTION, t_funErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 11:35:28,088 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-23 11:35:28,088 INFO L139 ounterexampleChecker]: Examining path program with hash -1180526278, occurence #1 [2024-11-23 11:35:28,088 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-23 11:35:28,088 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-23 11:35:28,088 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:35:28,089 INFO L85 PathProgramCache]: Analyzing trace with hash 1306797482, now seen corresponding path program 1 times [2024-11-23 11:35:28,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:35:28,089 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [149703106] [2024-11-23 11:35:28,089 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:35:28,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:35:28,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 11:35:28,424 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 11:35:28,427 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:35:28,428 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [149703106] [2024-11-23 11:35:28,428 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [149703106] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 11:35:28,428 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 11:35:28,428 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 11:35:28,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1413549816] [2024-11-23 11:35:28,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 11:35:28,433 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 11:35:28,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:35:28,433 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 11:35:28,434 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 11:35:28,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:35:28,434 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:35:28,434 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 4 states have internal predecessors, (15), 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 11:35:28,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:35:28,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:35:30,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:35:30,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-23 11:35:30,466 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-23 11:35:30,467 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr1ASSERT_VIOLATIONERROR_FUNCTION, t_funErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 11:35:30,467 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-23 11:35:30,468 INFO L139 ounterexampleChecker]: Examining path program with hash -1581650178, occurence #1 [2024-11-23 11:35:30,468 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-23 11:35:30,469 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-23 11:35:30,469 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:35:30,469 INFO L85 PathProgramCache]: Analyzing trace with hash 2094049017, now seen corresponding path program 1 times [2024-11-23 11:35:30,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:35:30,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1308186035] [2024-11-23 11:35:30,471 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:35:30,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:35:30,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 11:35:30,685 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 11:35:30,685 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:35:30,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1308186035] [2024-11-23 11:35:30,687 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1308186035] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 11:35:30,687 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 11:35:30,687 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 11:35:30,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646308720] [2024-11-23 11:35:30,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 11:35:30,688 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 11:35:30,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:35:30,689 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 11:35:30,689 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 11:35:30,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:35:30,689 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:35:30,690 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 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 11:35:30,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:35:30,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-23 11:35:30,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:35:30,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:35:30,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-23 11:35:30,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:35:30,870 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-23 11:35:30,870 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr1ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr1ASSERT_VIOLATIONERROR_FUNCTION, t_funErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 11:35:30,870 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-23 11:35:30,870 INFO L139 ounterexampleChecker]: Examining path program with hash -453381666, occurence #1 [2024-11-23 11:35:30,870 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-23 11:35:30,870 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-23 11:35:30,871 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:35:30,871 INFO L85 PathProgramCache]: Analyzing trace with hash -931608547, now seen corresponding path program 1 times [2024-11-23 11:35:30,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:35:30,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2051556785] [2024-11-23 11:35:30,871 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:35:30,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:35:30,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 11:35:31,182 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 11:35:31,182 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:35:31,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2051556785] [2024-11-23 11:35:31,183 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2051556785] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 11:35:31,183 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 11:35:31,183 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 11:35:31,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [172707286] [2024-11-23 11:35:31,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 11:35:31,183 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 11:35:31,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:35:31,184 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 11:35:31,184 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-23 11:35:31,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:35:31,184 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:35:31,184 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 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 11:35:31,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:35:31,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-23 11:35:31,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:35:31,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:35:31,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:35:31,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-23 11:35:31,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:35:31,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:35:31,382 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-23 11:35:31,383 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr1ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr1ASSERT_VIOLATIONERROR_FUNCTION, t_funErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 11:35:31,383 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-23 11:35:31,383 INFO L139 ounterexampleChecker]: Examining path program with hash 913004175, occurence #1 [2024-11-23 11:35:31,383 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-23 11:35:31,383 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-23 11:35:31,384 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:35:31,384 INFO L85 PathProgramCache]: Analyzing trace with hash -1338742734, now seen corresponding path program 1 times [2024-11-23 11:35:31,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:35:31,384 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584842543] [2024-11-23 11:35:31,384 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:35:31,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:35:31,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 11:35:31,668 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 11:35:31,668 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:35:31,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [584842543] [2024-11-23 11:35:31,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [584842543] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 11:35:31,668 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 11:35:31,668 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 11:35:31,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025617231] [2024-11-23 11:35:31,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 11:35:31,669 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 11:35:31,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:35:31,670 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 11:35:31,670 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-23 11:35:31,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:35:31,670 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:35:31,670 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 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 11:35:31,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:35:31,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-23 11:35:31,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:35:31,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:35:31,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:35:31,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:35:31,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-23 11:35:31,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:35:31,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:35:31,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:35:31,945 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-23 11:35:31,945 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr1ASSERT_VIOLATIONERROR_FUNCTION, t_funErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 11:35:31,946 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-23 11:35:31,946 INFO L139 ounterexampleChecker]: Examining path program with hash 371344702, occurence #1 [2024-11-23 11:35:31,946 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-23 11:35:31,946 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-23 11:35:31,946 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:35:31,946 INFO L85 PathProgramCache]: Analyzing trace with hash 767357789, now seen corresponding path program 1 times [2024-11-23 11:35:31,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:35:31,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [991365891] [2024-11-23 11:35:31,947 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:35:31,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:35:31,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 11:35:32,109 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 11:35:32,109 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:35:32,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [991365891] [2024-11-23 11:35:32,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [991365891] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 11:35:32,109 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 11:35:32,109 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 11:35:32,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [202762718] [2024-11-23 11:35:32,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 11:35:32,110 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 11:35:32,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:35:32,110 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 11:35:32,111 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 11:35:32,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:35:32,111 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:35:32,111 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 5 states have internal predecessors, (21), 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 11:35:32,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:35:32,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-23 11:35:32,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:35:32,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:35:32,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:35:32,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:35:32,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:35:32,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-23 11:35:32,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:35:32,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:35:32,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:35:32,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 11:35:32,301 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-23 11:35:32,301 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr1ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr1ASSERT_VIOLATIONERROR_FUNCTION, t_funErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 11:35:32,301 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-23 11:35:32,301 INFO L139 ounterexampleChecker]: Examining path program with hash -1821632960, occurence #1 [2024-11-23 11:35:32,301 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-23 11:35:32,301 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-23 11:35:32,302 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 11:35:32,302 INFO L85 PathProgramCache]: Analyzing trace with hash 1880018945, now seen corresponding path program 1 times [2024-11-23 11:35:32,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 11:35:32,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [479157500] [2024-11-23 11:35:32,302 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 11:35:32,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 11:35:32,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 11:35:32,592 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 11:35:32,592 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 11:35:32,592 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [479157500] [2024-11-23 11:35:32,592 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [479157500] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 11:35:32,592 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 11:35:32,592 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-23 11:35:32,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1217459338] [2024-11-23 11:35:32,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 11:35:32,593 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 11:35:32,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 11:35:32,594 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 11:35:32,594 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-23 11:35:32,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:35:32,594 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-23 11:35:32,594 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 11:35:32,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:35:32,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-23 11:35:32,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:35:32,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:35:32,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:35:32,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-23 11:35:32,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-23 11:35:33,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:35:33,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-23 11:35:33,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 11:35:33,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:35:33,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 11:35:33,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 11:35:33,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-23 11:35:33,555 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2024-11-23 11:35:33,556 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONERROR_FUNCTION (1 of 3 remaining) [2024-11-23 11:35:33,556 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONERROR_FUNCTION (0 of 3 remaining) [2024-11-23 11:35:33,557 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-23 11:35:33,563 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2024-11-23 11:35:33,565 INFO L319 ceAbstractionStarter]: Result for error location t_funThread1of1ForFork0 was SAFE,SAFE,SAFE (1/2) [2024-11-23 11:35:33,569 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 11:35:33,570 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-23 11:35:33,571 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-23 11:35:33,571 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;@240cfb26, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 11:35:33,571 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-23 11:35:33,573 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2024-11-23 11:35:33,574 INFO L422 BasicCegarLoop]: Path program histogram: [] [2024-11-23 11:35:33,574 INFO L319 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE (2/2) [2024-11-23 11:35:33,575 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-23 11:35:33,575 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-23 11:35:33,597 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0f8f2b-54fc-4b8f-b480-5d6793114ccc/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-11-23 11:35:33,599 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 11:35:33 BasicIcfg [2024-11-23 11:35:33,599 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-23 11:35:33,600 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-23 11:35:33,600 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-23 11:35:33,600 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-23 11:35:33,601 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:35:26" (3/4) ... [2024-11-23 11:35:33,604 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-23 11:35:33,608 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2024-11-23 11:35:33,613 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2024-11-23 11:35:33,613 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2024-11-23 11:35:33,614 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-23 11:35:33,614 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-23 11:35:33,719 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0f8f2b-54fc-4b8f-b480-5d6793114ccc/bin/ugemcutter-verify-Z6otQMs9Ca/witness.graphml [2024-11-23 11:35:33,720 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0f8f2b-54fc-4b8f-b480-5d6793114ccc/bin/ugemcutter-verify-Z6otQMs9Ca/witness.yml [2024-11-23 11:35:33,720 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-23 11:35:33,721 INFO L158 Benchmark]: Toolchain (without parser) took 9212.87ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 91.6MB in the beginning and 38.1MB in the end (delta: 53.4MB). Peak memory consumption was 78.0MB. Max. memory is 16.1GB. [2024-11-23 11:35:33,722 INFO L158 Benchmark]: CDTParser took 0.71ms. Allocated memory is still 117.4MB. Free memory is still 73.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 11:35:33,722 INFO L158 Benchmark]: CACSL2BoogieTranslator took 765.01ms. Allocated memory is still 117.4MB. Free memory was 91.4MB in the beginning and 70.3MB in the end (delta: 21.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-23 11:35:33,722 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.40ms. Allocated memory is still 117.4MB. Free memory was 70.3MB in the beginning and 68.2MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 11:35:33,723 INFO L158 Benchmark]: Boogie Preprocessor took 53.31ms. Allocated memory is still 117.4MB. Free memory was 68.2MB in the beginning and 66.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 11:35:33,724 INFO L158 Benchmark]: RCFGBuilder took 1090.31ms. Allocated memory is still 117.4MB. Free memory was 66.9MB in the beginning and 71.2MB in the end (delta: -4.3MB). Peak memory consumption was 38.7MB. Max. memory is 16.1GB. [2024-11-23 11:35:33,725 INFO L158 Benchmark]: TraceAbstraction took 7101.17ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 70.7MB in the beginning and 42.5MB in the end (delta: 28.2MB). Peak memory consumption was 56.0MB. Max. memory is 16.1GB. [2024-11-23 11:35:33,726 INFO L158 Benchmark]: Witness Printer took 120.22ms. Allocated memory is still 142.6MB. Free memory was 42.5MB in the beginning and 38.1MB in the end (delta: 4.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 11:35:33,728 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.71ms. Allocated memory is still 117.4MB. Free memory is still 73.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 765.01ms. Allocated memory is still 117.4MB. Free memory was 91.4MB in the beginning and 70.3MB in the end (delta: 21.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.40ms. Allocated memory is still 117.4MB. Free memory was 70.3MB in the beginning and 68.2MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 53.31ms. Allocated memory is still 117.4MB. Free memory was 68.2MB in the beginning and 66.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1090.31ms. Allocated memory is still 117.4MB. Free memory was 66.9MB in the beginning and 71.2MB in the end (delta: -4.3MB). Peak memory consumption was 38.7MB. Max. memory is 16.1GB. * TraceAbstraction took 7101.17ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 70.7MB in the beginning and 42.5MB in the end (delta: 28.2MB). Peak memory consumption was 56.0MB. Max. memory is 16.1GB. * Witness Printer took 120.22ms. Allocated memory is still 142.6MB. Free memory was 42.5MB in the beginning and 38.1MB in the end (delta: 4.4MB). 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: 1334, independent: 1205, independent conditional: 454, independent unconditional: 751, dependent: 129, dependent conditional: 85, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1293, independent: 1205, independent conditional: 454, independent unconditional: 751, dependent: 88, dependent conditional: 44, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1293, independent: 1205, independent conditional: 454, independent unconditional: 751, dependent: 88, dependent conditional: 44, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1400, independent: 1205, independent conditional: 454, independent unconditional: 751, dependent: 195, dependent conditional: 151, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1400, independent: 1205, independent conditional: 2, independent unconditional: 1203, dependent: 195, dependent conditional: 41, dependent unconditional: 154, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1400, independent: 1205, independent conditional: 2, independent unconditional: 1203, dependent: 195, dependent conditional: 41, dependent unconditional: 154, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 819, independent: 753, independent conditional: 2, independent unconditional: 751, dependent: 66, dependent conditional: 22, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 819, independent: 712, independent conditional: 0, independent unconditional: 712, dependent: 107, dependent conditional: 0, dependent unconditional: 107, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 107, independent: 41, independent conditional: 2, independent unconditional: 39, dependent: 66, dependent conditional: 22, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 107, independent: 41, independent conditional: 2, independent unconditional: 39, dependent: 66, dependent conditional: 22, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2850, independent: 825, independent conditional: 38, independent unconditional: 787, dependent: 2026, dependent conditional: 649, dependent unconditional: 1377, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 1400, independent: 452, independent conditional: 0, independent unconditional: 452, dependent: 129, dependent conditional: 19, dependent unconditional: 110, unknown: 819, unknown conditional: 24, unknown unconditional: 795] , Statistics on independence cache: Total cache size (in pairs): 819, Positive cache size: 753, Positive conditional cache size: 2, Positive unconditional cache size: 751, Negative cache size: 66, Negative conditional cache size: 22, Negative unconditional cache size: 44, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 562, Maximal queried relation: 5, Independence queries for same thread: 41, Persistent sets #1 benchmarks: Persistent set computation time: 2.3s, Number of persistent set computation: 152, Number of trivial persistent sets: 88, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 795, independent: 751, independent conditional: 0, independent unconditional: 751, dependent: 44, dependent conditional: 0, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1334, independent: 1205, independent conditional: 454, independent unconditional: 751, dependent: 129, dependent conditional: 85, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1293, independent: 1205, independent conditional: 454, independent unconditional: 751, dependent: 88, dependent conditional: 44, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1293, independent: 1205, independent conditional: 454, independent unconditional: 751, dependent: 88, dependent conditional: 44, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1400, independent: 1205, independent conditional: 454, independent unconditional: 751, dependent: 195, dependent conditional: 151, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1400, independent: 1205, independent conditional: 2, independent unconditional: 1203, dependent: 195, dependent conditional: 41, dependent unconditional: 154, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1400, independent: 1205, independent conditional: 2, independent unconditional: 1203, dependent: 195, dependent conditional: 41, dependent unconditional: 154, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 819, independent: 753, independent conditional: 2, independent unconditional: 751, dependent: 66, dependent conditional: 22, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 819, independent: 712, independent conditional: 0, independent unconditional: 712, dependent: 107, dependent conditional: 0, dependent unconditional: 107, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 107, independent: 41, independent conditional: 2, independent unconditional: 39, dependent: 66, dependent conditional: 22, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 107, independent: 41, independent conditional: 2, independent unconditional: 39, dependent: 66, dependent conditional: 22, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2850, independent: 825, independent conditional: 38, independent unconditional: 787, dependent: 2026, dependent conditional: 649, dependent unconditional: 1377, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 1400, independent: 452, independent conditional: 0, independent unconditional: 452, dependent: 129, dependent conditional: 19, dependent unconditional: 110, unknown: 819, unknown conditional: 24, unknown unconditional: 795] , Statistics on independence cache: Total cache size (in pairs): 819, Positive cache size: 753, Positive conditional cache size: 2, Positive unconditional cache size: 751, Negative cache size: 66, Negative conditional cache size: 22, Negative unconditional cache size: 44, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 562, Maximal queried relation: 5, Independence queries for same thread: 41 - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 795, Positive cache size: 751, Positive conditional cache size: 0, Positive unconditional cache size: 751, Negative cache size: 44, Negative conditional cache size: 0, Negative unconditional cache size: 44, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0, Persistent sets #1 benchmarks: Persistent set computation time: 0.0s, Number of persistent set computation: 3, Number of trivial persistent sets: 3, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 795, Positive cache size: 751, Positive conditional cache size: 0, Positive unconditional cache size: 751, Negative cache size: 44, Negative conditional cache size: 0, Negative unconditional cache size: 44, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 19]: 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: t_funThread1of1ForFork0 with 1 thread instances CFG has 3 procedures, 79 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 6.8s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 4.4s, 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: 42, 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, 131 NumberOfCodeBlocks, 131 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 124 ConstructedInterpolants, 0 QuantifiedInterpolants, 582 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: SuccessfulCommutativityProofs: 0, ConComChecker Statistics: CheckTime [ms]: 0, ConditionCalculationTime [ms]: 0, ConditionCalculations: 0, QuantifiedConditions: 0, TraceChecks: 0, UnknownTraceChecks: 0, ImperfectProofs: 0 - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 3 procedures, 79 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 0.0s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, 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: 0, 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: 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 3 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-23 11:35:33,784 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0f8f2b-54fc-4b8f-b480-5d6793114ccc/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