./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-wmm/rfi002_tso.i --full-output --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking IA --traceabstraction.criterion.for.conditional.commutativity.checking LOOP -tc /storage/repos/ultimate/releaseScripts/default/benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b86fb0b7 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i ../../../trunk/examples/svcomp/pthread-wmm/rfi002_tso.i -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux --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 48e6a57243e80a87d178da358ff4ad1dd63b86003507ef0dec3764d15038130a --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking IA --traceabstraction.criterion.for.conditional.commutativity.checking LOOP -tc /storage/repos/ultimate/releaseScripts/default/benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.conditional-comm-b86fb0b-m [2024-10-18 15:26:27,273 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-18 15:26:27,318 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-10-18 15:26:27,322 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-18 15:26:27,322 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-18 15:26:27,349 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-18 15:26:27,353 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-18 15:26:27,353 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-18 15:26:27,354 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-18 15:26:27,354 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-18 15:26:27,354 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-18 15:26:27,355 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-18 15:26:27,355 INFO L153 SettingsManager]: * Use SBE=true [2024-10-18 15:26:27,355 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-18 15:26:27,355 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-18 15:26:27,356 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-18 15:26:27,356 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-18 15:26:27,356 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-18 15:26:27,356 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-18 15:26:27,356 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-18 15:26:27,357 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-18 15:26:27,359 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-18 15:26:27,360 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-18 15:26:27,360 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-18 15:26:27,360 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-18 15:26:27,361 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-18 15:26:27,362 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-18 15:26:27,362 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-18 15:26:27,362 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-18 15:26:27,362 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-18 15:26:27,362 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-18 15:26:27,363 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-18 15:26:27,363 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-18 15:26:27,363 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-10-18 15:26:27,363 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-18 15:26:27,364 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-18 15:26:27,364 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-10-18 15:26:27,364 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-18 15:26:27,365 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-18 15:26:27,365 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-10-18 15:26:27,365 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-10-18 15:26:27,365 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:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 48e6a57243e80a87d178da358ff4ad1dd63b86003507ef0dec3764d15038130a Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> IA Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> LOOP [2024-10-18 15:26:27,555 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-18 15:26:27,571 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-18 15:26:27,573 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-18 15:26:27,573 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-18 15:26:27,576 INFO L274 PluginConnector]: CDTParser initialized [2024-10-18 15:26:27,577 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-wmm/rfi002_tso.i [2024-10-18 15:26:28,918 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-18 15:26:29,138 INFO L384 CDTParser]: Found 1 translation units. [2024-10-18 15:26:29,139 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/rfi002_tso.i [2024-10-18 15:26:29,151 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/4fdc5255a/c4f53302dbdc47cfb0dd45f43eddc3bd/FLAG01d1c7a12 [2024-10-18 15:26:29,166 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/4fdc5255a/c4f53302dbdc47cfb0dd45f43eddc3bd [2024-10-18 15:26:29,168 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-18 15:26:29,169 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-18 15:26:29,170 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-18 15:26:29,170 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-18 15:26:29,174 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-18 15:26:29,174 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.10 03:26:29" (1/1) ... [2024-10-18 15:26:29,175 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3edff600 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 03:26:29, skipping insertion in model container [2024-10-18 15:26:29,175 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.10 03:26:29" (1/1) ... [2024-10-18 15:26:29,217 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-18 15:26:29,421 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/rfi002_tso.i[987,1000] [2024-10-18 15:26:29,611 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-18 15:26:29,619 INFO L200 MainTranslator]: Completed pre-run [2024-10-18 15:26:29,628 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/rfi002_tso.i[987,1000] [2024-10-18 15:26:29,680 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-18 15:26:29,713 INFO L204 MainTranslator]: Completed translation [2024-10-18 15:26:29,716 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 03:26:29 WrapperNode [2024-10-18 15:26:29,716 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-18 15:26:29,717 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-18 15:26:29,717 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-18 15:26:29,717 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-18 15:26:29,723 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 03:26:29" (1/1) ... [2024-10-18 15:26:29,741 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 03:26:29" (1/1) ... [2024-10-18 15:26:29,770 INFO L138 Inliner]: procedures = 174, calls = 40, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 206 [2024-10-18 15:26:29,770 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-18 15:26:29,774 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-18 15:26:29,775 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-18 15:26:29,775 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-18 15:26:29,782 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 03:26:29" (1/1) ... [2024-10-18 15:26:29,782 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 03:26:29" (1/1) ... [2024-10-18 15:26:29,785 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 03:26:29" (1/1) ... [2024-10-18 15:26:29,786 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 03:26:29" (1/1) ... [2024-10-18 15:26:29,798 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 03:26:29" (1/1) ... [2024-10-18 15:26:29,803 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 03:26:29" (1/1) ... [2024-10-18 15:26:29,805 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 03:26:29" (1/1) ... [2024-10-18 15:26:29,807 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 03:26:29" (1/1) ... [2024-10-18 15:26:29,814 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-18 15:26:29,819 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-18 15:26:29,819 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-18 15:26:29,819 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-18 15:26:29,820 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 03:26:29" (1/1) ... [2024-10-18 15:26:29,832 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-18 15:26:29,842 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 15:26:29,862 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-10-18 15:26:29,869 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-10-18 15:26:29,927 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-18 15:26:29,927 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-18 15:26:29,927 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-10-18 15:26:29,927 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-10-18 15:26:29,928 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-10-18 15:26:29,931 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-10-18 15:26:29,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-18 15:26:29,931 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-18 15:26:29,931 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-18 15:26:29,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-18 15:26:29,933 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-18 15:26:30,050 INFO L238 CfgBuilder]: Building ICFG [2024-10-18 15:26:30,052 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-18 15:26:30,362 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-18 15:26:30,363 INFO L287 CfgBuilder]: Performing block encoding [2024-10-18 15:26:30,603 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-18 15:26:30,604 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-18 15:26:30,604 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.10 03:26:30 BoogieIcfgContainer [2024-10-18 15:26:30,604 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-18 15:26:30,607 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-18 15:26:30,607 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-18 15:26:30,610 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-18 15:26:30,610 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.10 03:26:29" (1/3) ... [2024-10-18 15:26:30,611 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ad15908 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.10 03:26:30, skipping insertion in model container [2024-10-18 15:26:30,611 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 03:26:29" (2/3) ... [2024-10-18 15:26:30,612 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ad15908 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.10 03:26:30, skipping insertion in model container [2024-10-18 15:26:30,612 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.10 03:26:30" (3/3) ... [2024-10-18 15:26:30,613 INFO L112 eAbstractionObserver]: Analyzing ICFG rfi002_tso.i [2024-10-18 15:26:30,627 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-18 15:26:30,627 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2024-10-18 15:26:30,627 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-18 15:26:30,667 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-18 15:26:30,699 INFO L106 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-18 15:26:30,699 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-18 15:26:30,700 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 15:26:30,704 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-10-18 15:26:30,706 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-10-18 15:26:30,774 INFO L194 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-18 15:26:30,786 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 15:26:30,788 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == P1Thread1of1ForFork0 ======== [2024-10-18 15:26:30,792 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;@4810bc5c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=IA, mConComCheckerCriterion=LOOP, mConComCheckerTraceCheckMode=GENERATOR, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-10-18 15:26:30,793 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-10-18 15:26:33,036 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P1Err0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-18 15:26:33,038 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 15:26:33,039 INFO L85 PathProgramCache]: Analyzing trace with hash -1507080655, now seen corresponding path program 1 times [2024-10-18 15:26:33,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 15:26:33,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1896189559] [2024-10-18 15:26:33,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 15:26:33,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 15:26:33,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 15:26:33,367 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 15:26:33,367 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 15:26:33,367 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1896189559] [2024-10-18 15:26:33,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1896189559] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 15:26:33,368 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 15:26:33,368 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-18 15:26:33,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187457290] [2024-10-18 15:26:33,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 15:26:33,374 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-18 15:26:33,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 15:26:33,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-18 15:26:33,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-18 15:26:33,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 15:26:33,400 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 15:26:33,401 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2024-10-18 15:26:33,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 15:26:34,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 15:26:34,638 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-18 15:26:34,638 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err1ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-18 15:26:34,638 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 15:26:34,638 INFO L85 PathProgramCache]: Analyzing trace with hash 525140496, now seen corresponding path program 1 times [2024-10-18 15:26:34,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 15:26:34,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1267832030] [2024-10-18 15:26:34,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 15:26:34,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 15:26:34,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 15:26:34,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 15:26:34,877 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 15:26:34,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1267832030] [2024-10-18 15:26:34,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1267832030] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 15:26:34,877 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 15:26:34,877 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-18 15:26:34,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475348929] [2024-10-18 15:26:34,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 15:26:34,883 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-18 15:26:34,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 15:26:34,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-18 15:26:34,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-18 15:26:34,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 15:26:34,889 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 15:26:34,889 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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) [2024-10-18 15:26:34,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 15:26:34,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 15:30:57,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 15:30:57,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 15:30:57,335 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2024-10-18 15:30:57,335 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2024-10-18 15:30:57,335 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-18 15:30:57,346 INFO L414 BasicCegarLoop]: Path program histogram: [1, 1] [2024-10-18 15:30:57,353 INFO L312 ceAbstractionStarter]: Result for error location P1Thread1of1ForFork0 was SAFE,SAFE (1/2) [2024-10-18 15:30:57,356 INFO L106 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-18 15:30:57,358 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-18 15:30:57,362 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 15:30:57,364 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-10-18 15:30:57,365 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2024-10-18 15:30:57,402 INFO L194 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-18 15:30:57,402 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 15:30:57,402 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-10-18 15:30:57,403 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;@4810bc5c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=IA, mConComCheckerCriterion=LOOP, mConComCheckerTraceCheckMode=GENERATOR, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-10-18 15:30:57,403 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-10-18 15:31:00,895 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-18 15:31:00,895 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 15:31:00,895 INFO L85 PathProgramCache]: Analyzing trace with hash -779151562, now seen corresponding path program 1 times [2024-10-18 15:31:00,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 15:31:00,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [895997495] [2024-10-18 15:31:00,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 15:31:00,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 15:31:01,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 15:31:01,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 15:31:01,245 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 15:31:01,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [895997495] [2024-10-18 15:31:01,246 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [895997495] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 15:31:01,246 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 15:31:01,246 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-18 15:31:01,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629664051] [2024-10-18 15:31:01,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 15:31:01,246 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-18 15:31:01,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 15:31:01,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-18 15:31:01,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-18 15:31:01,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 15:31:01,248 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 15:31:01,251 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 2 states have internal predecessors, (14), 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) [2024-10-18 15:31:01,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 15:31:02,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 15:31:02,353 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-18 15:31:02,354 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-18 15:31:02,354 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 15:31:02,354 INFO L85 PathProgramCache]: Analyzing trace with hash -2032008171, now seen corresponding path program 1 times [2024-10-18 15:31:02,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 15:31:02,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [478491164] [2024-10-18 15:31:02,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 15:31:02,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 15:31:02,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 15:31:02,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 15:31:02,532 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 15:31:02,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [478491164] [2024-10-18 15:31:02,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [478491164] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 15:31:02,532 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 15:31:02,532 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-18 15:31:02,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976461939] [2024-10-18 15:31:02,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 15:31:02,533 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-18 15:31:02,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 15:31:02,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-18 15:31:02,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-18 15:31:02,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 15:31:02,535 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 15:31:02,535 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 2 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) [2024-10-18 15:31:02,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 15:31:02,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 15:31:42,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 15:31:42,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 15:31:42,312 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-18 15:31:42,312 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-18 15:31:42,312 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 15:31:42,312 INFO L85 PathProgramCache]: Analyzing trace with hash -720090406, now seen corresponding path program 1 times [2024-10-18 15:31:42,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 15:31:42,312 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408848713] [2024-10-18 15:31:42,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 15:31:42,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 15:31:42,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 15:31:42,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 15:31:42,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 15:31:42,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1408848713] [2024-10-18 15:31:42,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1408848713] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 15:31:42,649 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 15:31:42,649 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-18 15:31:42,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483390660] [2024-10-18 15:31:42,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 15:31:42,649 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-18 15:31:42,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 15:31:42,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-18 15:31:42,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-18 15:31:42,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 15:31:42,653 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 15:31:42,653 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 4 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) [2024-10-18 15:31:42,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 15:31:42,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 15:31:42,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 15:32:05,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 15:32:05,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 15:32:05,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 15:32:05,266 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-18 15:32:05,266 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-18 15:32:05,266 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 15:32:05,266 INFO L85 PathProgramCache]: Analyzing trace with hash -1079878473, now seen corresponding path program 1 times [2024-10-18 15:32:05,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 15:32:05,267 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1177913721] [2024-10-18 15:32:05,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 15:32:05,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 15:32:05,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 15:32:05,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 15:32:05,935 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 15:32:05,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1177913721] [2024-10-18 15:32:05,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1177913721] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 15:32:05,935 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 15:32:05,935 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-18 15:32:05,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2062788072] [2024-10-18 15:32:05,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 15:32:05,936 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-18 15:32:05,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 15:32:05,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-18 15:32:05,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-18 15:32:05,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 15:32:05,962 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 15:32:05,962 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 6 states have internal predecessors, (26), 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) [2024-10-18 15:32:05,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 15:32:05,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 15:32:05,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 15:32:05,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 15:33:47,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 15:33:47,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 15:33:47,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 15:33:47,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 15:33:47,102 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-18 15:33:47,102 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-18 15:33:47,102 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 15:33:47,102 INFO L85 PathProgramCache]: Analyzing trace with hash -306583241, now seen corresponding path program 2 times [2024-10-18 15:33:47,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 15:33:47,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [432743297] [2024-10-18 15:33:47,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 15:33:47,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 15:33:47,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 15:33:50,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 15:33:50,502 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 15:33:50,503 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [432743297] [2024-10-18 15:33:50,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [432743297] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 15:33:50,503 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 15:33:50,503 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-10-18 15:33:50,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443133550] [2024-10-18 15:33:50,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 15:33:50,504 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-18 15:33:50,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 15:34:20,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-18 15:34:20,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2024-10-18 15:34:20,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 15:34:20,594 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 15:34:20,594 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.1666666666666665) internal successors, (26), 11 states have internal predecessors, (26), 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) [2024-10-18 15:34:20,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 15:34:20,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 15:34:20,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 15:34:20,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 15:34:20,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 15:35:18,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 15:35:18,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 15:35:18,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 15:35:18,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 15:35:18,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-18 15:35:18,797 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-18 15:35:18,797 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-18 15:35:18,798 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 15:35:18,798 INFO L85 PathProgramCache]: Analyzing trace with hash -139368205, now seen corresponding path program 3 times [2024-10-18 15:35:18,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 15:35:18,798 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [662104213] [2024-10-18 15:35:18,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 15:35:18,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 15:35:18,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 15:35:20,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 15:35:20,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 15:35:20,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [662104213] [2024-10-18 15:35:20,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [662104213] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 15:35:20,279 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 15:35:20,279 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-18 15:35:20,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633065607] [2024-10-18 15:35:20,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 15:35:20,280 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-18 15:35:20,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 15:35:47,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-18 15:35:47,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-10-18 15:35:47,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 15:35:47,158 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 15:35:47,158 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.888888888888889) internal successors, (26), 8 states have internal predecessors, (26), 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) [2024-10-18 15:35:47,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 15:35:47,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 15:35:47,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 15:35:47,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 15:35:47,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-18 15:35:47,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 15:36:32,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 15:36:32,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 15:36:32,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 15:36:32,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 15:36:32,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-18 15:36:32,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-18 15:36:32,530 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2024-10-18 15:36:32,530 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2024-10-18 15:36:32,530 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2024-10-18 15:36:32,530 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-18 15:36:32,532 INFO L414 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1] [2024-10-18 15:36:32,532 INFO L312 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE,SAFE,SAFE (2/2) [2024-10-18 15:36:32,532 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-18 15:36:32,532 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-18 15:36:32,535 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.10 03:36:32 BasicIcfg [2024-10-18 15:36:32,536 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-18 15:36:32,536 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-18 15:36:32,536 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-18 15:36:32,536 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-18 15:36:32,537 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.10 03:26:30" (3/4) ... [2024-10-18 15:36:32,538 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-18 15:36:32,542 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2024-10-18 15:36:32,542 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2024-10-18 15:36:32,548 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 93 nodes and edges [2024-10-18 15:36:32,548 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2024-10-18 15:36:32,549 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-10-18 15:36:32,549 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-10-18 15:36:32,621 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/witness.graphml [2024-10-18 15:36:32,622 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/witness.yml [2024-10-18 15:36:32,622 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-18 15:36:32,622 INFO L158 Benchmark]: Toolchain (without parser) took 603453.39ms. Allocated memory was 174.1MB in the beginning and 1.9GB in the end (delta: 1.7GB). Free memory was 103.2MB in the beginning and 999.4MB in the end (delta: -896.2MB). Peak memory consumption was 830.6MB. Max. memory is 16.1GB. [2024-10-18 15:36:32,622 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 174.1MB. Free memory was 133.5MB in the beginning and 133.3MB in the end (delta: 160.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-18 15:36:32,623 INFO L158 Benchmark]: CACSL2BoogieTranslator took 547.01ms. Allocated memory is still 174.1MB. Free memory was 103.0MB in the beginning and 122.2MB in the end (delta: -19.2MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. [2024-10-18 15:36:32,623 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.87ms. Allocated memory is still 174.1MB. Free memory was 122.2MB in the beginning and 118.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-18 15:36:32,623 INFO L158 Benchmark]: Boogie Preprocessor took 43.53ms. Allocated memory is still 174.1MB. Free memory was 118.0MB in the beginning and 115.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-18 15:36:32,623 INFO L158 Benchmark]: RCFGBuilder took 785.78ms. Allocated memory is still 174.1MB. Free memory was 115.9MB in the beginning and 108.5MB in the end (delta: 7.5MB). Peak memory consumption was 73.4MB. Max. memory is 16.1GB. [2024-10-18 15:36:32,623 INFO L158 Benchmark]: TraceAbstraction took 601929.07ms. Allocated memory was 174.1MB in the beginning and 1.9GB in the end (delta: 1.7GB). Free memory was 107.4MB in the beginning and 1.0GB in the end (delta: -897.2MB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. [2024-10-18 15:36:32,624 INFO L158 Benchmark]: Witness Printer took 85.67ms. Allocated memory is still 1.9GB. Free memory was 1.0GB in the beginning and 999.4MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-18 15:36:32,625 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 174.1MB. Free memory was 133.5MB in the beginning and 133.3MB in the end (delta: 160.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 547.01ms. Allocated memory is still 174.1MB. Free memory was 103.0MB in the beginning and 122.2MB in the end (delta: -19.2MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.87ms. Allocated memory is still 174.1MB. Free memory was 122.2MB in the beginning and 118.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.53ms. Allocated memory is still 174.1MB. Free memory was 118.0MB in the beginning and 115.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 785.78ms. Allocated memory is still 174.1MB. Free memory was 115.9MB in the beginning and 108.5MB in the end (delta: 7.5MB). Peak memory consumption was 73.4MB. Max. memory is 16.1GB. * TraceAbstraction took 601929.07ms. Allocated memory was 174.1MB in the beginning and 1.9GB in the end (delta: 1.7GB). Free memory was 107.4MB in the beginning and 1.0GB in the end (delta: -897.2MB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. * Witness Printer took 85.67ms. Allocated memory is still 1.9GB. Free memory was 1.0GB in the beginning and 999.4MB 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: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1132, independent: 952, independent conditional: 568, independent unconditional: 384, dependent: 180, dependent conditional: 143, dependent unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1083, independent: 952, independent conditional: 568, independent unconditional: 384, dependent: 131, dependent conditional: 94, dependent unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1083, independent: 952, independent conditional: 568, independent unconditional: 384, dependent: 131, dependent conditional: 94, dependent unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1083, independent: 952, independent conditional: 568, independent unconditional: 384, dependent: 131, dependent conditional: 94, dependent unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1516, independent: 952, independent conditional: 568, independent unconditional: 384, dependent: 564, dependent conditional: 490, dependent unconditional: 74, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1516, independent: 952, independent conditional: 84, independent unconditional: 868, dependent: 564, dependent conditional: 99, dependent unconditional: 465, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1516, independent: 952, independent conditional: 84, independent unconditional: 868, dependent: 564, dependent conditional: 99, dependent unconditional: 465, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 456, independent: 392, independent conditional: 8, independent unconditional: 384, dependent: 64, dependent conditional: 20, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 456, independent: 382, independent conditional: 0, independent unconditional: 382, dependent: 74, dependent conditional: 0, dependent unconditional: 74, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 74, independent: 10, independent conditional: 8, independent unconditional: 2, dependent: 64, dependent conditional: 20, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 74, independent: 10, independent conditional: 8, independent unconditional: 2, dependent: 64, dependent conditional: 20, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 265597, independent: 15850, independent conditional: 15792, independent unconditional: 58, dependent: 249747, dependent conditional: 73469, dependent unconditional: 176278, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1516, independent: 560, independent conditional: 76, independent unconditional: 484, dependent: 500, dependent conditional: 79, dependent unconditional: 421, unknown: 456, unknown conditional: 28, unknown unconditional: 428] , Statistics on independence cache: Total cache size (in pairs): 456, Positive cache size: 392, Positive conditional cache size: 8, Positive unconditional cache size: 384, Negative cache size: 64, Negative conditional cache size: 20, Negative unconditional cache size: 44, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 875, Maximal queried relation: 2, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1516, independent: 952, independent conditional: 568, independent unconditional: 384, dependent: 564, dependent conditional: 490, dependent unconditional: 74, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1516, independent: 952, independent conditional: 84, independent unconditional: 868, dependent: 564, dependent conditional: 99, dependent unconditional: 465, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1516, independent: 952, independent conditional: 84, independent unconditional: 868, dependent: 564, dependent conditional: 99, dependent unconditional: 465, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 456, independent: 392, independent conditional: 8, independent unconditional: 384, dependent: 64, dependent conditional: 20, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 456, independent: 382, independent conditional: 0, independent unconditional: 382, dependent: 74, dependent conditional: 0, dependent unconditional: 74, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 74, independent: 10, independent conditional: 8, independent unconditional: 2, dependent: 64, dependent conditional: 20, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 74, independent: 10, independent conditional: 8, independent unconditional: 2, dependent: 64, dependent conditional: 20, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 265597, independent: 15850, independent conditional: 15792, independent unconditional: 58, dependent: 249747, dependent conditional: 73469, dependent unconditional: 176278, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1516, independent: 560, independent conditional: 76, independent unconditional: 484, dependent: 500, dependent conditional: 79, dependent unconditional: 421, unknown: 456, unknown conditional: 28, unknown unconditional: 428] , Statistics on independence cache: Total cache size (in pairs): 456, Positive cache size: 392, Positive conditional cache size: 8, Positive unconditional cache size: 384, Negative cache size: 64, Negative conditional cache size: 20, Negative unconditional cache size: 44, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 875 ], Independence queries for same thread: 49, Persistent sets #1 benchmarks: Persistent set computation time: 168.5s, Number of persistent set computation: 126, Number of trivial persistent sets: 69, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 421, independent: 384, independent conditional: 0, independent unconditional: 384, dependent: 37, dependent conditional: 0, dependent unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1132, independent: 952, independent conditional: 568, independent unconditional: 384, dependent: 180, dependent conditional: 143, dependent unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1083, independent: 952, independent conditional: 568, independent unconditional: 384, dependent: 131, dependent conditional: 94, dependent unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1083, independent: 952, independent conditional: 568, independent unconditional: 384, dependent: 131, dependent conditional: 94, dependent unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1083, independent: 952, independent conditional: 568, independent unconditional: 384, dependent: 131, dependent conditional: 94, dependent unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1516, independent: 952, independent conditional: 568, independent unconditional: 384, dependent: 564, dependent conditional: 490, dependent unconditional: 74, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1516, independent: 952, independent conditional: 84, independent unconditional: 868, dependent: 564, dependent conditional: 99, dependent unconditional: 465, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1516, independent: 952, independent conditional: 84, independent unconditional: 868, dependent: 564, dependent conditional: 99, dependent unconditional: 465, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 456, independent: 392, independent conditional: 8, independent unconditional: 384, dependent: 64, dependent conditional: 20, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 456, independent: 382, independent conditional: 0, independent unconditional: 382, dependent: 74, dependent conditional: 0, dependent unconditional: 74, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 74, independent: 10, independent conditional: 8, independent unconditional: 2, dependent: 64, dependent conditional: 20, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 74, independent: 10, independent conditional: 8, independent unconditional: 2, dependent: 64, dependent conditional: 20, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 265597, independent: 15850, independent conditional: 15792, independent unconditional: 58, dependent: 249747, dependent conditional: 73469, dependent unconditional: 176278, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1516, independent: 560, independent conditional: 76, independent unconditional: 484, dependent: 500, dependent conditional: 79, dependent unconditional: 421, unknown: 456, unknown conditional: 28, unknown unconditional: 428] , Statistics on independence cache: Total cache size (in pairs): 456, Positive cache size: 392, Positive conditional cache size: 8, Positive unconditional cache size: 384, Negative cache size: 64, Negative conditional cache size: 20, Negative unconditional cache size: 44, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 875, Maximal queried relation: 2, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1516, independent: 952, independent conditional: 568, independent unconditional: 384, dependent: 564, dependent conditional: 490, dependent unconditional: 74, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1516, independent: 952, independent conditional: 84, independent unconditional: 868, dependent: 564, dependent conditional: 99, dependent unconditional: 465, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1516, independent: 952, independent conditional: 84, independent unconditional: 868, dependent: 564, dependent conditional: 99, dependent unconditional: 465, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 456, independent: 392, independent conditional: 8, independent unconditional: 384, dependent: 64, dependent conditional: 20, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 456, independent: 382, independent conditional: 0, independent unconditional: 382, dependent: 74, dependent conditional: 0, dependent unconditional: 74, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 74, independent: 10, independent conditional: 8, independent unconditional: 2, dependent: 64, dependent conditional: 20, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 74, independent: 10, independent conditional: 8, independent unconditional: 2, dependent: 64, dependent conditional: 20, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 265597, independent: 15850, independent conditional: 15792, independent unconditional: 58, dependent: 249747, dependent conditional: 73469, dependent unconditional: 176278, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1516, independent: 560, independent conditional: 76, independent unconditional: 484, dependent: 500, dependent conditional: 79, dependent unconditional: 421, unknown: 456, unknown conditional: 28, unknown unconditional: 428] , Statistics on independence cache: Total cache size (in pairs): 456, Positive cache size: 392, Positive conditional cache size: 8, Positive unconditional cache size: 384, Negative cache size: 64, Negative conditional cache size: 20, Negative unconditional cache size: 44, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 875 ], Independence queries for same thread: 49 - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1756, independent: 1635, independent conditional: 1288, independent unconditional: 347, dependent: 121, dependent conditional: 81, dependent unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1743, independent: 1635, independent conditional: 1288, independent unconditional: 347, dependent: 108, dependent conditional: 68, dependent unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1743, independent: 1635, independent conditional: 1288, independent unconditional: 347, dependent: 108, dependent conditional: 68, dependent unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1743, independent: 1635, independent conditional: 1288, independent unconditional: 347, dependent: 108, dependent conditional: 68, dependent unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2154, independent: 1635, independent conditional: 1288, independent unconditional: 347, dependent: 519, dependent conditional: 439, dependent unconditional: 80, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2154, independent: 1635, independent conditional: 196, independent unconditional: 1439, dependent: 519, dependent conditional: 75, dependent unconditional: 444, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2154, independent: 1635, independent conditional: 196, independent unconditional: 1439, dependent: 519, dependent conditional: 75, dependent unconditional: 444, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 431, independent: 369, independent conditional: 22, independent unconditional: 347, dependent: 62, dependent conditional: 19, dependent unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 431, independent: 344, independent conditional: 0, independent unconditional: 344, dependent: 87, dependent conditional: 0, dependent unconditional: 87, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 87, independent: 25, independent conditional: 22, independent unconditional: 3, dependent: 62, dependent conditional: 19, dependent unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 87, independent: 25, independent conditional: 22, independent unconditional: 3, dependent: 62, dependent conditional: 19, dependent unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 327563, independent: 79851, independent conditional: 79828, independent unconditional: 23, dependent: 247712, dependent conditional: 76741, dependent unconditional: 170971, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 2154, independent: 1266, independent conditional: 174, independent unconditional: 1092, dependent: 457, dependent conditional: 56, dependent unconditional: 401, unknown: 431, unknown conditional: 41, unknown unconditional: 390] , Statistics on independence cache: Total cache size (in pairs): 431, Positive cache size: 369, Positive conditional cache size: 22, Positive unconditional cache size: 347, Negative cache size: 62, Negative conditional cache size: 19, Negative unconditional cache size: 43, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1456, Maximal queried relation: 4, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2154, independent: 1635, independent conditional: 1288, independent unconditional: 347, dependent: 519, dependent conditional: 439, dependent unconditional: 80, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2154, independent: 1635, independent conditional: 196, independent unconditional: 1439, dependent: 519, dependent conditional: 75, dependent unconditional: 444, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2154, independent: 1635, independent conditional: 196, independent unconditional: 1439, dependent: 519, dependent conditional: 75, dependent unconditional: 444, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 431, independent: 369, independent conditional: 22, independent unconditional: 347, dependent: 62, dependent conditional: 19, dependent unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 431, independent: 344, independent conditional: 0, independent unconditional: 344, dependent: 87, dependent conditional: 0, dependent unconditional: 87, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 87, independent: 25, independent conditional: 22, independent unconditional: 3, dependent: 62, dependent conditional: 19, dependent unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 87, independent: 25, independent conditional: 22, independent unconditional: 3, dependent: 62, dependent conditional: 19, dependent unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 327563, independent: 79851, independent conditional: 79828, independent unconditional: 23, dependent: 247712, dependent conditional: 76741, dependent unconditional: 170971, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 2154, independent: 1266, independent conditional: 174, independent unconditional: 1092, dependent: 457, dependent conditional: 56, dependent unconditional: 401, unknown: 431, unknown conditional: 41, unknown unconditional: 390] , Statistics on independence cache: Total cache size (in pairs): 431, Positive cache size: 369, Positive conditional cache size: 22, Positive unconditional cache size: 347, Negative cache size: 62, Negative conditional cache size: 19, Negative unconditional cache size: 43, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1456 ], Independence queries for same thread: 13, Persistent sets #1 benchmarks: Persistent set computation time: 169.1s, Number of persistent set computation: 179, Number of trivial persistent sets: 102, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 387, independent: 347, independent conditional: 0, independent unconditional: 347, dependent: 40, dependent conditional: 0, dependent unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1756, independent: 1635, independent conditional: 1288, independent unconditional: 347, dependent: 121, dependent conditional: 81, dependent unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1743, independent: 1635, independent conditional: 1288, independent unconditional: 347, dependent: 108, dependent conditional: 68, dependent unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1743, independent: 1635, independent conditional: 1288, independent unconditional: 347, dependent: 108, dependent conditional: 68, dependent unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1743, independent: 1635, independent conditional: 1288, independent unconditional: 347, dependent: 108, dependent conditional: 68, dependent unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2154, independent: 1635, independent conditional: 1288, independent unconditional: 347, dependent: 519, dependent conditional: 439, dependent unconditional: 80, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2154, independent: 1635, independent conditional: 196, independent unconditional: 1439, dependent: 519, dependent conditional: 75, dependent unconditional: 444, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2154, independent: 1635, independent conditional: 196, independent unconditional: 1439, dependent: 519, dependent conditional: 75, dependent unconditional: 444, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 431, independent: 369, independent conditional: 22, independent unconditional: 347, dependent: 62, dependent conditional: 19, dependent unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 431, independent: 344, independent conditional: 0, independent unconditional: 344, dependent: 87, dependent conditional: 0, dependent unconditional: 87, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 87, independent: 25, independent conditional: 22, independent unconditional: 3, dependent: 62, dependent conditional: 19, dependent unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 87, independent: 25, independent conditional: 22, independent unconditional: 3, dependent: 62, dependent conditional: 19, dependent unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 327563, independent: 79851, independent conditional: 79828, independent unconditional: 23, dependent: 247712, dependent conditional: 76741, dependent unconditional: 170971, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 2154, independent: 1266, independent conditional: 174, independent unconditional: 1092, dependent: 457, dependent conditional: 56, dependent unconditional: 401, unknown: 431, unknown conditional: 41, unknown unconditional: 390] , Statistics on independence cache: Total cache size (in pairs): 431, Positive cache size: 369, Positive conditional cache size: 22, Positive unconditional cache size: 347, Negative cache size: 62, Negative conditional cache size: 19, Negative unconditional cache size: 43, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1456, Maximal queried relation: 4, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2154, independent: 1635, independent conditional: 1288, independent unconditional: 347, dependent: 519, dependent conditional: 439, dependent unconditional: 80, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2154, independent: 1635, independent conditional: 196, independent unconditional: 1439, dependent: 519, dependent conditional: 75, dependent unconditional: 444, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2154, independent: 1635, independent conditional: 196, independent unconditional: 1439, dependent: 519, dependent conditional: 75, dependent unconditional: 444, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 431, independent: 369, independent conditional: 22, independent unconditional: 347, dependent: 62, dependent conditional: 19, dependent unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 431, independent: 344, independent conditional: 0, independent unconditional: 344, dependent: 87, dependent conditional: 0, dependent unconditional: 87, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 87, independent: 25, independent conditional: 22, independent unconditional: 3, dependent: 62, dependent conditional: 19, dependent unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 87, independent: 25, independent conditional: 22, independent unconditional: 3, dependent: 62, dependent conditional: 19, dependent unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 327563, independent: 79851, independent conditional: 79828, independent unconditional: 23, dependent: 247712, dependent conditional: 76741, dependent unconditional: 170971, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 2154, independent: 1266, independent conditional: 174, independent unconditional: 1092, dependent: 457, dependent conditional: 56, dependent unconditional: 401, unknown: 431, unknown conditional: 41, unknown unconditional: 390] , Statistics on independence cache: Total cache size (in pairs): 431, Positive cache size: 369, Positive conditional cache size: 22, Positive unconditional cache size: 347, Negative cache size: 62, Negative conditional cache size: 19, Negative unconditional cache size: 43, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1456 ], Independence queries for same thread: 13 - 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: P1Thread1of1ForFork0 with 1 thread instances CFG has 5 procedures, 55 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 266.6s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 265.9s, 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: 6, 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, 0.0s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 33 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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: ConditionalCommutativityOverallTime: 0.0s, ConditionalCommutativityCheckTime: 0.0s, ConditionalCommutativityIAIntegrations: 0, ConditionalCommutativityDFSRestarts: 0, ConditionalCommutativityCommutingCounterexamples: 0, ConditionalCommutativityConditionCalculations: 0, ConditionalCommutativityTraceChecks: 0, ConditionalCommutativityImperfectProofs: 0 - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 55 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 335.1s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 271.7s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 33, 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, 0.8s SatisfiabilityAnalysisTime, 5.6s InterpolantComputationTime, 127 NumberOfCodeBlocks, 127 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 121 ConstructedInterpolants, 0 QuantifiedInterpolants, 992 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: ConditionalCommutativityOverallTime: 57.0s, ConditionalCommutativityCheckTime: 57.0s, ConditionalCommutativityIAIntegrations: 0, ConditionalCommutativityDFSRestarts: 0, ConditionalCommutativityCommutingCounterexamples: 0, ConditionalCommutativityConditionCalculations: 0, ConditionalCommutativityTraceChecks: 0, ConditionalCommutativityImperfectProofs: 0 - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-18 15:36:32,680 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Forceful destruction successful, exit code 0 [2024-10-18 15:36:32,885 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2024-10-18 15:36:33,058 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/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