./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/safe035_pso.oepc_pso.opt_rmo.oepc_rmo.opt_tso.oepc_tso.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bee20335-0d07-4adc-b346-1f7f0b2cf973/bin/ugemcutter-verify-Bi2udmvEmx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bee20335-0d07-4adc-b346-1f7f0b2cf973/bin/ugemcutter-verify-Bi2udmvEmx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bee20335-0d07-4adc-b346-1f7f0b2cf973/bin/ugemcutter-verify-Bi2udmvEmx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bee20335-0d07-4adc-b346-1f7f0b2cf973/bin/ugemcutter-verify-Bi2udmvEmx/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe035_pso.oepc_pso.opt_rmo.oepc_rmo.opt_tso.oepc_tso.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bee20335-0d07-4adc-b346-1f7f0b2cf973/bin/ugemcutter-verify-Bi2udmvEmx/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bee20335-0d07-4adc-b346-1f7f0b2cf973/bin/ugemcutter-verify-Bi2udmvEmx --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 fb302bfc042709458f72100356b9fd74bb7921271e539fc7dcbd801222f139c8 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 20:17:14,623 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 20:17:14,695 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bee20335-0d07-4adc-b346-1f7f0b2cf973/bin/ugemcutter-verify-Bi2udmvEmx/config/svcomp-Reach-32bit-GemCutter_Default.epf [2023-12-02 20:17:14,701 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 20:17:14,702 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 20:17:14,735 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 20:17:14,736 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 20:17:14,737 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 20:17:14,738 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 20:17:14,738 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 20:17:14,739 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 20:17:14,740 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 20:17:14,740 INFO L153 SettingsManager]: * Use SBE=true [2023-12-02 20:17:14,741 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 20:17:14,741 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 20:17:14,742 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 20:17:14,742 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 20:17:14,743 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 20:17:14,743 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 20:17:14,744 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 20:17:14,744 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 20:17:14,745 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 20:17:14,746 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 20:17:14,746 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 20:17:14,746 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 20:17:14,747 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 20:17:14,747 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 20:17:14,748 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 20:17:14,748 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 20:17:14,749 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 20:17:14,761 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 20:17:14,761 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 20:17:14,761 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 20:17:14,762 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-02 20:17:14,762 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2023-12-02 20:17:14,762 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 20:17:14,763 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 20:17:14,763 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-12-02 20:17:14,763 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 20:17:14,763 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-12-02 20:17:14,763 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-12-02 20:17:14,764 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bee20335-0d07-4adc-b346-1f7f0b2cf973/bin/ugemcutter-verify-Bi2udmvEmx/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bee20335-0d07-4adc-b346-1f7f0b2cf973/bin/ugemcutter-verify-Bi2udmvEmx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fb302bfc042709458f72100356b9fd74bb7921271e539fc7dcbd801222f139c8 [2023-12-02 20:17:15,002 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 20:17:15,026 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 20:17:15,029 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 20:17:15,030 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 20:17:15,030 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 20:17:15,032 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bee20335-0d07-4adc-b346-1f7f0b2cf973/bin/ugemcutter-verify-Bi2udmvEmx/../../sv-benchmarks/c/pthread-wmm/safe035_pso.oepc_pso.opt_rmo.oepc_rmo.opt_tso.oepc_tso.opt.i [2023-12-02 20:17:17,834 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 20:17:18,098 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 20:17:18,099 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bee20335-0d07-4adc-b346-1f7f0b2cf973/sv-benchmarks/c/pthread-wmm/safe035_pso.oepc_pso.opt_rmo.oepc_rmo.opt_tso.oepc_tso.opt.i [2023-12-02 20:17:18,117 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bee20335-0d07-4adc-b346-1f7f0b2cf973/bin/ugemcutter-verify-Bi2udmvEmx/data/4436e9451/a17975e3ad154c8db4597fc34ceb0329/FLAGac53edd9b [2023-12-02 20:17:18,134 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bee20335-0d07-4adc-b346-1f7f0b2cf973/bin/ugemcutter-verify-Bi2udmvEmx/data/4436e9451/a17975e3ad154c8db4597fc34ceb0329 [2023-12-02 20:17:18,137 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 20:17:18,139 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 20:17:18,141 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 20:17:18,141 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 20:17:18,147 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 20:17:18,148 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:17:18" (1/1) ... [2023-12-02 20:17:18,150 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66c2350 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:17:18, skipping insertion in model container [2023-12-02 20:17:18,150 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:17:18" (1/1) ... [2023-12-02 20:17:18,204 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 20:17:18,395 WARN L240 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_bee20335-0d07-4adc-b346-1f7f0b2cf973/sv-benchmarks/c/pthread-wmm/safe035_pso.oepc_pso.opt_rmo.oepc_rmo.opt_tso.oepc_tso.opt.i[992,1005] [2023-12-02 20:17:18,576 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 20:17:18,588 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 20:17:18,603 WARN L240 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_bee20335-0d07-4adc-b346-1f7f0b2cf973/sv-benchmarks/c/pthread-wmm/safe035_pso.oepc_pso.opt_rmo.oepc_rmo.opt_tso.oepc_tso.opt.i[992,1005] [2023-12-02 20:17:18,636 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 20:17:18,672 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 20:17:18,672 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 20:17:18,680 INFO L206 MainTranslator]: Completed translation [2023-12-02 20:17:18,681 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:17:18 WrapperNode [2023-12-02 20:17:18,681 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 20:17:18,682 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 20:17:18,683 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 20:17:18,683 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 20:17:18,691 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:17:18" (1/1) ... [2023-12-02 20:17:18,707 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:17:18" (1/1) ... [2023-12-02 20:17:18,732 INFO L138 Inliner]: procedures = 176, calls = 59, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 70 [2023-12-02 20:17:18,733 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 20:17:18,733 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 20:17:18,734 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 20:17:18,734 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 20:17:18,744 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:17:18" (1/1) ... [2023-12-02 20:17:18,744 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:17:18" (1/1) ... [2023-12-02 20:17:18,747 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:17:18" (1/1) ... [2023-12-02 20:17:18,748 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:17:18" (1/1) ... [2023-12-02 20:17:18,755 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:17:18" (1/1) ... [2023-12-02 20:17:18,757 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:17:18" (1/1) ... [2023-12-02 20:17:18,759 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:17:18" (1/1) ... [2023-12-02 20:17:18,761 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:17:18" (1/1) ... [2023-12-02 20:17:18,765 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 20:17:18,766 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 20:17:18,766 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 20:17:18,766 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 20:17:18,767 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:17:18" (1/1) ... [2023-12-02 20:17:18,773 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 20:17:18,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bee20335-0d07-4adc-b346-1f7f0b2cf973/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:17:18,799 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bee20335-0d07-4adc-b346-1f7f0b2cf973/bin/ugemcutter-verify-Bi2udmvEmx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 20:17:18,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bee20335-0d07-4adc-b346-1f7f0b2cf973/bin/ugemcutter-verify-Bi2udmvEmx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 20:17:18,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 20:17:18,853 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-12-02 20:17:18,853 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 20:17:18,853 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 20:17:18,853 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 20:17:18,853 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-12-02 20:17:18,853 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-12-02 20:17:18,854 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-12-02 20:17:18,854 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-12-02 20:17:18,854 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-12-02 20:17:18,854 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-12-02 20:17:18,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 20:17:18,855 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-12-02 20:17:18,855 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 20:17:18,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 20:17:18,857 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-12-02 20:17:19,008 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 20:17:19,010 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 20:17:19,173 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 20:17:19,270 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 20:17:19,270 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 20:17:19,270 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:17:19 BoogieIcfgContainer [2023-12-02 20:17:19,270 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 20:17:19,273 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 20:17:19,273 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 20:17:19,276 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 20:17:19,276 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 08:17:18" (1/3) ... [2023-12-02 20:17:19,277 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@684339f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:17:19, skipping insertion in model container [2023-12-02 20:17:19,277 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:17:18" (2/3) ... [2023-12-02 20:17:19,277 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@684339f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:17:19, skipping insertion in model container [2023-12-02 20:17:19,278 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:17:19" (3/3) ... [2023-12-02 20:17:19,279 INFO L112 eAbstractionObserver]: Analyzing ICFG safe035_pso.oepc_pso.opt_rmo.oepc_rmo.opt_tso.oepc_tso.opt.i [2023-12-02 20:17:19,285 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-12-02 20:17:19,293 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 20:17:19,293 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 20:17:19,293 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-12-02 20:17:19,335 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-12-02 20:17:19,379 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 20:17:19,380 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-12-02 20:17:19,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bee20335-0d07-4adc-b346-1f7f0b2cf973/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:17:19,381 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bee20335-0d07-4adc-b346-1f7f0b2cf973/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-12-02 20:17:19,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bee20335-0d07-4adc-b346-1f7f0b2cf973/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2023-12-02 20:17:19,411 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-12-02 20:17:19,425 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-12-02 20:17:19,433 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=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;@4bd8d355, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 20:17:19,433 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-12-02 20:17:19,620 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-12-02 20:17:19,625 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:17:19,626 INFO L85 PathProgramCache]: Analyzing trace with hash 380412855, now seen corresponding path program 1 times [2023-12-02 20:17:19,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:17:19,634 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [318329006] [2023-12-02 20:17:19,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:17:19,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:17:19,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:17:20,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:17:20,197 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:17:20,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [318329006] [2023-12-02 20:17:20,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [318329006] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:17:20,199 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:17:20,199 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 20:17:20,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1560228658] [2023-12-02 20:17:20,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:17:20,205 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 20:17:20,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:17:20,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 20:17:20,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-12-02 20:17:20,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:17:20,229 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:17:20,230 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 5 states have internal predecessors, (28), 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) [2023-12-02 20:17:20,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:17:20,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:17:20,365 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-02 20:17:20,366 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-12-02 20:17:20,366 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:17:20,367 INFO L85 PathProgramCache]: Analyzing trace with hash 1051044308, now seen corresponding path program 1 times [2023-12-02 20:17:20,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:17:20,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159850644] [2023-12-02 20:17:20,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:17:20,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:17:20,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:17:20,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:17:20,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:17:20,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [159850644] [2023-12-02 20:17:20,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [159850644] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:17:20,600 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:17:20,601 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-02 20:17:20,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [59829443] [2023-12-02 20:17:20,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:17:20,602 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 20:17:20,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:17:20,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 20:17:20,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-02 20:17:20,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:17:20,605 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:17:20,605 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:17:20,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:17:20,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:17:21,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:17:21,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:17:21,103 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-02 20:17:21,104 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-12-02 20:17:21,104 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:17:21,105 INFO L85 PathProgramCache]: Analyzing trace with hash -1460183404, now seen corresponding path program 2 times [2023-12-02 20:17:21,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:17:21,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2045149201] [2023-12-02 20:17:21,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:17:21,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:17:21,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:17:21,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:17:21,324 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:17:21,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2045149201] [2023-12-02 20:17:21,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2045149201] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:17:21,325 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:17:21,326 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-02 20:17:21,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785285083] [2023-12-02 20:17:21,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:17:21,326 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 20:17:21,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:17:21,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 20:17:21,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-02 20:17:21,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:17:21,328 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:17:21,328 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:17:21,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:17:21,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:17:21,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:17:21,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:17:21,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:17:21,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:17:21,680 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-02 20:17:21,680 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-12-02 20:17:21,681 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:17:21,681 INFO L85 PathProgramCache]: Analyzing trace with hash 266084974, now seen corresponding path program 3 times [2023-12-02 20:17:21,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:17:21,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1344438670] [2023-12-02 20:17:21,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:17:21,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:17:21,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:17:21,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:17:21,904 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:17:21,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1344438670] [2023-12-02 20:17:21,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1344438670] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:17:21,905 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:17:21,905 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-02 20:17:21,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978673758] [2023-12-02 20:17:21,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:17:21,906 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 20:17:21,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:17:21,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 20:17:21,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-12-02 20:17:21,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:17:21,908 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:17:21,908 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:17:21,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:17:21,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:17:21,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:17:21,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:17:22,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:17:22,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 20:17:22,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 20:17:22,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 20:17:22,319 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2023-12-02 20:17:22,320 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2023-12-02 20:17:22,320 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2023-12-02 20:17:22,320 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2023-12-02 20:17:22,320 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-02 20:17:22,327 INFO L445 BasicCegarLoop]: Path program histogram: [3, 1] [2023-12-02 20:17:22,330 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-12-02 20:17:22,331 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 20:17:22,334 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 08:17:22 BasicIcfg [2023-12-02 20:17:22,334 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 20:17:22,335 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 20:17:22,335 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 20:17:22,335 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 20:17:22,336 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:17:19" (3/4) ... [2023-12-02 20:17:22,338 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-02 20:17:22,342 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2023-12-02 20:17:22,342 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2023-12-02 20:17:22,342 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2023-12-02 20:17:22,348 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 36 nodes and edges [2023-12-02 20:17:22,348 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2023-12-02 20:17:22,348 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-12-02 20:17:22,348 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-02 20:17:22,433 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bee20335-0d07-4adc-b346-1f7f0b2cf973/bin/ugemcutter-verify-Bi2udmvEmx/witness.graphml [2023-12-02 20:17:22,434 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bee20335-0d07-4adc-b346-1f7f0b2cf973/bin/ugemcutter-verify-Bi2udmvEmx/witness.yml [2023-12-02 20:17:22,434 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 20:17:22,435 INFO L158 Benchmark]: Toolchain (without parser) took 4296.11ms. Allocated memory was 172.0MB in the beginning and 207.6MB in the end (delta: 35.7MB). Free memory was 139.9MB in the beginning and 98.0MB in the end (delta: 41.9MB). Peak memory consumption was 77.1MB. Max. memory is 16.1GB. [2023-12-02 20:17:22,436 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 121.6MB. Free memory is still 93.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 20:17:22,436 INFO L158 Benchmark]: CACSL2BoogieTranslator took 540.67ms. Allocated memory is still 172.0MB. Free memory was 139.5MB in the beginning and 119.0MB in the end (delta: 20.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-12-02 20:17:22,437 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.26ms. Allocated memory is still 172.0MB. Free memory was 119.0MB in the beginning and 116.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 20:17:22,437 INFO L158 Benchmark]: Boogie Preprocessor took 31.47ms. Allocated memory is still 172.0MB. Free memory was 116.9MB in the beginning and 114.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 20:17:22,438 INFO L158 Benchmark]: RCFGBuilder took 504.85ms. Allocated memory is still 172.0MB. Free memory was 114.8MB in the beginning and 121.9MB in the end (delta: -7.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-12-02 20:17:22,438 INFO L158 Benchmark]: TraceAbstraction took 3061.33ms. Allocated memory was 172.0MB in the beginning and 207.6MB in the end (delta: 35.7MB). Free memory was 121.9MB in the beginning and 103.2MB in the end (delta: 18.6MB). Peak memory consumption was 56.1MB. Max. memory is 16.1GB. [2023-12-02 20:17:22,439 INFO L158 Benchmark]: Witness Printer took 99.53ms. Allocated memory is still 207.6MB. Free memory was 103.2MB in the beginning and 98.0MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 20:17:22,441 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 121.6MB. Free memory is still 93.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 540.67ms. Allocated memory is still 172.0MB. Free memory was 139.5MB in the beginning and 119.0MB in the end (delta: 20.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.26ms. Allocated memory is still 172.0MB. Free memory was 119.0MB in the beginning and 116.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.47ms. Allocated memory is still 172.0MB. Free memory was 116.9MB in the beginning and 114.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 504.85ms. Allocated memory is still 172.0MB. Free memory was 114.8MB in the beginning and 121.9MB in the end (delta: -7.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 3061.33ms. Allocated memory was 172.0MB in the beginning and 207.6MB in the end (delta: 35.7MB). Free memory was 121.9MB in the beginning and 103.2MB in the end (delta: 18.6MB). Peak memory consumption was 56.1MB. Max. memory is 16.1GB. * Witness Printer took 99.53ms. Allocated memory is still 207.6MB. Free memory was 103.2MB in the beginning and 98.0MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 18453, independent: 18071, independent conditional: 17297, independent unconditional: 774, dependent: 382, dependent conditional: 358, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 18453, independent: 18071, independent conditional: 17297, independent unconditional: 774, dependent: 382, dependent conditional: 358, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 18453, independent: 18071, independent conditional: 17297, independent unconditional: 774, dependent: 382, dependent conditional: 358, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 21038, independent: 18071, independent conditional: 604, independent unconditional: 17467, dependent: 2967, dependent conditional: 1981, dependent unconditional: 986, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 21038, independent: 18071, independent conditional: 604, independent unconditional: 17467, dependent: 2967, dependent conditional: 116, dependent unconditional: 2851, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 21038, independent: 18071, independent conditional: 604, independent unconditional: 17467, dependent: 2967, dependent conditional: 116, dependent unconditional: 2851, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 815, independent: 784, independent conditional: 10, independent unconditional: 774, dependent: 31, dependent conditional: 7, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 815, independent: 766, independent conditional: 0, independent unconditional: 766, dependent: 49, dependent conditional: 0, dependent unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 49, independent: 18, independent conditional: 10, independent unconditional: 8, dependent: 31, dependent conditional: 7, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 49, independent: 18, independent conditional: 10, independent unconditional: 8, dependent: 31, dependent conditional: 7, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 165, independent: 85, independent conditional: 33, independent unconditional: 52, dependent: 79, dependent conditional: 17, dependent unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 21038, independent: 17287, independent conditional: 594, independent unconditional: 16693, dependent: 2936, dependent conditional: 109, dependent unconditional: 2827, unknown: 815, unknown conditional: 17, unknown unconditional: 798] , Statistics on independence cache: Total cache size (in pairs): 815, Positive cache size: 784, Positive conditional cache size: 10, Positive unconditional cache size: 774, Negative cache size: 31, Negative conditional cache size: 7, Negative unconditional cache size: 24, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1865, Maximal queried relation: 4, Independence queries for same thread: 0 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.3s, Number of persistent set computation: 962, Number of trivial persistent sets: 543, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 798, independent: 774, independent conditional: 0, independent unconditional: 774, dependent: 24, dependent conditional: 0, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 18453, independent: 18071, independent conditional: 17297, independent unconditional: 774, dependent: 382, dependent conditional: 358, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 18453, independent: 18071, independent conditional: 17297, independent unconditional: 774, dependent: 382, dependent conditional: 358, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 18453, independent: 18071, independent conditional: 17297, independent unconditional: 774, dependent: 382, dependent conditional: 358, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 21038, independent: 18071, independent conditional: 604, independent unconditional: 17467, dependent: 2967, dependent conditional: 1981, dependent unconditional: 986, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 21038, independent: 18071, independent conditional: 604, independent unconditional: 17467, dependent: 2967, dependent conditional: 116, dependent unconditional: 2851, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 21038, independent: 18071, independent conditional: 604, independent unconditional: 17467, dependent: 2967, dependent conditional: 116, dependent unconditional: 2851, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 815, independent: 784, independent conditional: 10, independent unconditional: 774, dependent: 31, dependent conditional: 7, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 815, independent: 766, independent conditional: 0, independent unconditional: 766, dependent: 49, dependent conditional: 0, dependent unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 49, independent: 18, independent conditional: 10, independent unconditional: 8, dependent: 31, dependent conditional: 7, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 49, independent: 18, independent conditional: 10, independent unconditional: 8, dependent: 31, dependent conditional: 7, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 165, independent: 85, independent conditional: 33, independent unconditional: 52, dependent: 79, dependent conditional: 17, dependent unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 21038, independent: 17287, independent conditional: 594, independent unconditional: 16693, dependent: 2936, dependent conditional: 109, dependent unconditional: 2827, unknown: 815, unknown conditional: 17, unknown unconditional: 798] , Statistics on independence cache: Total cache size (in pairs): 815, Positive cache size: 784, Positive conditional cache size: 10, Positive unconditional cache size: 774, Negative cache size: 31, Negative conditional cache size: 7, Negative unconditional cache size: 24, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1865, Maximal queried relation: 4, Independence queries for same thread: 0 - PositiveResult [Line: 18]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 68 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 2.9s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 1.6s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 29, 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, 1.0s InterpolantComputationTime, 130 NumberOfCodeBlocks, 130 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 126 ConstructedInterpolants, 0 QuantifiedInterpolants, 468 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-12-02 20:17:22,461 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bee20335-0d07-4adc-b346-1f7f0b2cf973/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2023-12-02 20:17:22,660 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bee20335-0d07-4adc-b346-1f7f0b2cf973/bin/ugemcutter-verify-Bi2udmvEmx/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