./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-atomic/szymanski.i --full-output --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking COUNTEREXAMPLE --traceabstraction.criterion.for.conditional.commutativity.checking RANDOM --traceabstraction.probability.for.random.criterion 20 --traceabstraction.seed.for.random.criterion 213 -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-atomic/szymanski.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 bc84ca2197caec735a8480f9d61b820c686ed9ae52711f2c7500999694c2ad40 --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking COUNTEREXAMPLE --traceabstraction.criterion.for.conditional.commutativity.checking RANDOM --traceabstraction.probability.for.random.criterion 20 --traceabstraction.seed.for.random.criterion 213 -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 [2024-10-17 20:45:37,002 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-17 20:45:37,066 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-10-17 20:45:37,069 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-17 20:45:37,071 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-17 20:45:37,097 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-17 20:45:37,098 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-17 20:45:37,098 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-17 20:45:37,099 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-17 20:45:37,099 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-17 20:45:37,100 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-17 20:45:37,100 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-17 20:45:37,100 INFO L153 SettingsManager]: * Use SBE=true [2024-10-17 20:45:37,101 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-17 20:45:37,101 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-17 20:45:37,101 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-17 20:45:37,101 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-17 20:45:37,102 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-17 20:45:37,102 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-17 20:45:37,102 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-17 20:45:37,102 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-17 20:45:37,103 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-17 20:45:37,103 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-17 20:45:37,103 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-17 20:45:37,104 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-17 20:45:37,104 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-17 20:45:37,104 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-17 20:45:37,105 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-17 20:45:37,105 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-17 20:45:37,105 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-17 20:45:37,105 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-17 20:45:37,105 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-17 20:45:37,106 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-17 20:45:37,106 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-10-17 20:45:37,106 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-17 20:45:37,106 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-17 20:45:37,106 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-10-17 20:45:37,107 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-17 20:45:37,107 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-17 20:45:37,107 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-10-17 20:45:37,107 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-10-17 20:45:37,112 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 -> bc84ca2197caec735a8480f9d61b820c686ed9ae52711f2c7500999694c2ad40 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 -> COUNTEREXAMPLE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> RANDOM Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Probability for random criterion as percentage -> 20 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Seed for random criterion -> 213 [2024-10-17 20:45:37,317 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-17 20:45:37,344 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-17 20:45:37,347 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-17 20:45:37,348 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-17 20:45:37,348 INFO L274 PluginConnector]: CDTParser initialized [2024-10-17 20:45:37,349 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-atomic/szymanski.i [2024-10-17 20:45:38,691 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-17 20:45:38,900 INFO L384 CDTParser]: Found 1 translation units. [2024-10-17 20:45:38,900 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/szymanski.i [2024-10-17 20:45:38,930 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/d4ba746d0/d22d68a2193e4cb39db79d9b6943f2f3/FLAG76fc0d367 [2024-10-17 20:45:38,945 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/d4ba746d0/d22d68a2193e4cb39db79d9b6943f2f3 [2024-10-17 20:45:38,948 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-17 20:45:38,949 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-17 20:45:38,950 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-17 20:45:38,954 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-17 20:45:38,959 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-17 20:45:38,961 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 08:45:38" (1/1) ... [2024-10-17 20:45:38,962 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c26733f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 08:45:38, skipping insertion in model container [2024-10-17 20:45:38,964 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 08:45:38" (1/1) ... [2024-10-17 20:45:38,993 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-17 20:45:39,330 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-atomic/szymanski.i[31505,31518] [2024-10-17 20:45:39,339 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-atomic/szymanski.i[32915,32928] [2024-10-17 20:45:39,346 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-17 20:45:39,354 INFO L200 MainTranslator]: Completed pre-run [2024-10-17 20:45:39,392 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-atomic/szymanski.i[31505,31518] [2024-10-17 20:45:39,398 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-atomic/szymanski.i[32915,32928] [2024-10-17 20:45:39,402 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-17 20:45:39,435 INFO L204 MainTranslator]: Completed translation [2024-10-17 20:45:39,435 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 08:45:39 WrapperNode [2024-10-17 20:45:39,435 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-17 20:45:39,436 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-17 20:45:39,437 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-17 20:45:39,437 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-17 20:45:39,443 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 08:45:39" (1/1) ... [2024-10-17 20:45:39,490 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 08:45:39" (1/1) ... [2024-10-17 20:45:39,507 INFO L138 Inliner]: procedures = 169, calls = 64, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 29 [2024-10-17 20:45:39,508 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-17 20:45:39,509 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-17 20:45:39,509 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-17 20:45:39,509 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-17 20:45:39,516 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 08:45:39" (1/1) ... [2024-10-17 20:45:39,517 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 08:45:39" (1/1) ... [2024-10-17 20:45:39,520 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 08:45:39" (1/1) ... [2024-10-17 20:45:39,522 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 08:45:39" (1/1) ... [2024-10-17 20:45:39,553 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 08:45:39" (1/1) ... [2024-10-17 20:45:39,560 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 08:45:39" (1/1) ... [2024-10-17 20:45:39,565 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 08:45:39" (1/1) ... [2024-10-17 20:45:39,566 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 08:45:39" (1/1) ... [2024-10-17 20:45:39,571 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-17 20:45:39,571 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-17 20:45:39,571 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-17 20:45:39,571 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-17 20:45:39,572 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 08:45:39" (1/1) ... [2024-10-17 20:45:39,578 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-17 20:45:39,588 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 20:45:39,603 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) [2024-10-17 20:45:39,606 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 [2024-10-17 20:45:39,640 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2024-10-17 20:45:39,641 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2024-10-17 20:45:39,641 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2024-10-17 20:45:39,641 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2024-10-17 20:45:39,641 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-17 20:45:39,641 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-17 20:45:39,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-17 20:45:39,641 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-17 20:45:39,641 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-17 20:45:39,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-17 20:45:39,643 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-17 20:45:39,740 INFO L238 CfgBuilder]: Building ICFG [2024-10-17 20:45:39,742 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-17 20:45:39,867 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-17 20:45:39,871 INFO L287 CfgBuilder]: Performing block encoding [2024-10-17 20:45:39,959 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-17 20:45:39,960 INFO L314 CfgBuilder]: Removed 8 assume(true) statements. [2024-10-17 20:45:39,960 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 08:45:39 BoogieIcfgContainer [2024-10-17 20:45:39,960 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-17 20:45:39,969 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-17 20:45:39,969 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-17 20:45:39,972 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-17 20:45:39,977 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.10 08:45:38" (1/3) ... [2024-10-17 20:45:39,978 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3de9e62a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 08:45:39, skipping insertion in model container [2024-10-17 20:45:39,979 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 08:45:39" (2/3) ... [2024-10-17 20:45:39,979 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3de9e62a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 08:45:39, skipping insertion in model container [2024-10-17 20:45:39,980 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 08:45:39" (3/3) ... [2024-10-17 20:45:39,981 INFO L112 eAbstractionObserver]: Analyzing ICFG szymanski.i [2024-10-17 20:45:39,995 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-17 20:45:39,995 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-10-17 20:45:39,996 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-17 20:45:40,053 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-10-17 20:45:40,087 INFO L106 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-17 20:45:40,087 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-17 20:45:40,087 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 20:45:40,089 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) [2024-10-17 20:45:40,090 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 [2024-10-17 20:45:40,156 INFO L194 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-17 20:45:40,169 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 20:45:40,170 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thr1Thread1of1ForFork0 ======== [2024-10-17 20:45:40,176 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;@53e77f9a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=COUNTEREXAMPLE, mConComCheckerCriterion=RANDOM, mConComCheckerTraceCheckMode=GENERATOR, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=20, mConComCheckerRandomSeed=213, mConComCheckerConditionCriterion=false [2024-10-17 20:45:40,176 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-17 20:45:40,730 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-17 20:45:40,760 INFO L85 PathProgramCache]: Analyzing trace with hash 573265951, now seen corresponding path program 1 times [2024-10-17 20:45:40,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 20:45:40,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 20:45:40,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 20:45:41,099 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-17 20:45:41,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 20:45:41,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 20:45:41,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 20:45:41,191 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-17 20:45:41,195 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-17 20:45:41,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-17 20:45:41,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-17 20:45:41,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 20:45:41,222 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 20:45:41,223 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-17 20:45:41,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 20:45:41,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 20:45:41,303 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,SelfDestructingSolverStorable0 [2024-10-17 20:45:41,303 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-17 20:45:41,309 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 20:45:41,309 INFO L85 PathProgramCache]: Analyzing trace with hash -787006500, now seen corresponding path program 1 times [2024-10-17 20:45:41,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 20:45:41,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1926515022] [2024-10-17 20:45:41,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 20:45:41,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 20:45:41,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 20:45:41,431 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-10-17 20:45:41,432 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 20:45:41,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1926515022] [2024-10-17 20:45:41,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1926515022] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-17 20:45:41,433 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-17 20:45:41,433 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-17 20:45:41,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864063603] [2024-10-17 20:45:41,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-17 20:45:41,436 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-17 20:45:41,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 20:45:41,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-17 20:45:41,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-17 20:45:41,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 20:45:41,438 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 20:45:41,438 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 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) [2024-10-17 20:45:41,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 20:45:41,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 20:45:41,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 20:45:41,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 20:45:41,499 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-17 20:45:41,499 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-17 20:45:41,500 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 20:45:41,500 INFO L85 PathProgramCache]: Analyzing trace with hash 438026332, now seen corresponding path program 1 times [2024-10-17 20:45:41,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 20:45:41,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097042896] [2024-10-17 20:45:41,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 20:45:41,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 20:45:41,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 20:45:41,589 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-10-17 20:45:41,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 20:45:41,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1097042896] [2024-10-17 20:45:41,590 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1097042896] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-17 20:45:41,590 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-17 20:45:41,590 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-17 20:45:41,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672159989] [2024-10-17 20:45:41,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-17 20:45:41,591 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-17 20:45:41,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 20:45:41,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-17 20:45:41,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-17 20:45:41,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 20:45:41,596 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 20:45:41,596 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 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) [2024-10-17 20:45:41,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 20:45:41,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 20:45:41,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 20:45:41,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 20:45:41,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 20:45:41,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 20:45:41,900 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-17 20:45:41,900 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-17 20:45:41,930 INFO L85 PathProgramCache]: Analyzing trace with hash 90756352, now seen corresponding path program 1 times [2024-10-17 20:45:41,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 20:45:41,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 20:45:41,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 20:45:41,988 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-17 20:45:41,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 20:45:41,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 20:45:41,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 20:45:42,043 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-17 20:45:42,044 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-17 20:45:42,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-17 20:45:42,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-10-17 20:45:42,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 20:45:42,049 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 20:45:42,050 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-17 20:45:42,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 20:45:42,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 20:45:42,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 20:45:42,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 20:45:42,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 20:45:42,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 20:45:42,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 20:45:42,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-17 20:45:42,133 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,SelfDestructingSolverStorable5 [2024-10-17 20:45:42,133 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-17 20:45:42,145 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 20:45:42,148 INFO L85 PathProgramCache]: Analyzing trace with hash 158500035, now seen corresponding path program 1 times [2024-10-17 20:45:42,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 20:45:42,149 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2072748225] [2024-10-17 20:45:42,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 20:45:42,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 20:45:42,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 20:45:42,203 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-17 20:45:42,203 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 20:45:42,203 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2072748225] [2024-10-17 20:45:42,204 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2072748225] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 20:45:42,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1901418634] [2024-10-17 20:45:42,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 20:45:42,204 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 20:45:42,204 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 20:45:42,209 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-17 20:45:42,210 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-17 20:45:42,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 20:45:42,263 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-17 20:45:42,267 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 20:45:42,277 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-17 20:45:42,277 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-17 20:45:42,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1901418634] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-17 20:45:42,278 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-17 20:45:42,278 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-10-17 20:45:42,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7727919] [2024-10-17 20:45:42,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-17 20:45:42,278 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-17 20:45:42,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 20:45:42,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-17 20:45:42,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-17 20:45:42,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 20:45:42,279 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 20:45:42,280 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 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) [2024-10-17 20:45:42,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 20:45:42,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 20:45:42,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 20:45:42,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-17 20:45:42,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 20:45:42,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 20:45:42,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 20:45:42,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 20:45:42,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 20:45:42,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 20:45:42,873 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-10-17 20:45:43,063 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-10-17 20:45:43,064 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-17 20:45:43,081 INFO L85 PathProgramCache]: Analyzing trace with hash 72757546, now seen corresponding path program 1 times [2024-10-17 20:45:43,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 20:45:43,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 20:45:43,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 20:45:43,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-17 20:45:43,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 20:45:43,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 20:45:43,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 20:45:43,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-17 20:45:43,135 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-17 20:45:43,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-17 20:45:43,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2024-10-17 20:45:43,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 20:45:43,137 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 20:45:43,137 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 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) [2024-10-17 20:45:43,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 20:45:43,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 20:45:43,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 20:45:43,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 20:45:43,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 20:45:43,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 20:45:44,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 20:45:44,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 20:45:44,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 20:45:44,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 20:45:44,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 20:45:44,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 20:45:44,051 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,SelfDestructingSolverStorable7 [2024-10-17 20:45:44,051 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-17 20:45:44,061 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 20:45:44,061 INFO L85 PathProgramCache]: Analyzing trace with hash 979899909, now seen corresponding path program 1 times [2024-10-17 20:45:44,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 20:45:44,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1399148648] [2024-10-17 20:45:44,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 20:45:44,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 20:45:44,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 20:45:44,094 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-17 20:45:44,094 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 20:45:44,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1399148648] [2024-10-17 20:45:44,095 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1399148648] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 20:45:44,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [582921587] [2024-10-17 20:45:44,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 20:45:44,095 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 20:45:44,095 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 20:45:44,097 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-17 20:45:44,101 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-17 20:45:44,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 20:45:44,145 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-17 20:45:44,146 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 20:45:44,155 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-17 20:45:44,156 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-17 20:45:44,174 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-17 20:45:44,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [582921587] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-17 20:45:44,175 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-17 20:45:44,175 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6 [2024-10-17 20:45:44,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66946467] [2024-10-17 20:45:44,175 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-17 20:45:44,175 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-17 20:45:44,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 20:45:44,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-17 20:45:44,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-17 20:45:44,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 20:45:44,176 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 20:45:44,177 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 6 states have internal predecessors, (41), 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) [2024-10-17 20:45:44,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 20:45:44,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 20:45:44,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 20:45:44,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 20:45:44,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 20:45:44,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 20:45:44,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 20:45:44,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 20:45:44,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 20:45:44,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 20:45:44,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 20:45:44,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 20:45:44,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 20:45:44,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-17 20:45:44,719 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-17 20:45:44,731 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-10-17 20:45:44,919 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-10-17 20:45:44,928 INFO L414 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2024-10-17 20:45:44,930 INFO L312 ceAbstractionStarter]: Result for error location thr1Thread1of1ForFork0 was SAFE (1/3) [2024-10-17 20:45:44,932 INFO L106 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-17 20:45:44,933 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-17 20:45:44,933 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 20:45:44,934 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-10-17 20:45:44,938 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (5)] Waiting until timeout for monitored process [2024-10-17 20:45:44,964 INFO L194 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-17 20:45:44,965 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 20:45:44,965 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-10-17 20:45:44,965 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;@53e77f9a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=COUNTEREXAMPLE, mConComCheckerCriterion=RANDOM, mConComCheckerTraceCheckMode=GENERATOR, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=20, mConComCheckerRandomSeed=213, mConComCheckerConditionCriterion=false [2024-10-17 20:45:44,966 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-10-17 20:45:45,060 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 2 remaining) [2024-10-17 20:45:45,061 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2024-10-17 20:45:45,063 INFO L414 BasicCegarLoop]: Path program histogram: [] [2024-10-17 20:45:45,063 INFO L312 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE,SAFE (2/3) [2024-10-17 20:45:45,065 INFO L106 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-17 20:45:45,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-17 20:45:45,065 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 20:45:45,067 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-10-17 20:45:45,069 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (6)] Waiting until timeout for monitored process [2024-10-17 20:45:45,094 INFO L194 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-17 20:45:45,095 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 20:45:45,095 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thr2Thread1of1ForFork1 ======== [2024-10-17 20:45:45,095 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;@53e77f9a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=COUNTEREXAMPLE, mConComCheckerCriterion=RANDOM, mConComCheckerTraceCheckMode=GENERATOR, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=20, mConComCheckerRandomSeed=213, mConComCheckerConditionCriterion=false [2024-10-17 20:45:45,096 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-17 20:45:45,333 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thr2Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-17 20:45:45,344 INFO L85 PathProgramCache]: Analyzing trace with hash 573266500, now seen corresponding path program 1 times [2024-10-17 20:45:45,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 20:45:45,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 20:45:45,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 20:45:45,366 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-17 20:45:45,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 20:45:45,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 20:45:45,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 20:45:45,382 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-17 20:45:45,382 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-17 20:45:45,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-17 20:45:45,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-17 20:45:45,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 20:45:45,383 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 20:45:45,383 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-17 20:45:45,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 20:45:45,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 20:45:45,433 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,SelfDestructingSolverStorable11 [2024-10-17 20:45:45,433 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thr2Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-17 20:45:45,448 INFO L85 PathProgramCache]: Analyzing trace with hash -398958737, now seen corresponding path program 1 times [2024-10-17 20:45:45,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 20:45:45,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 20:45:45,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 20:45:45,488 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-17 20:45:45,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 20:45:45,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 20:45:45,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 20:45:45,517 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-17 20:45:45,517 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-17 20:45:45,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-17 20:45:45,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-10-17 20:45:45,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 20:45:45,518 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 20:45:45,518 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 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) [2024-10-17 20:45:45,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 20:45:45,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 20:45:45,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 20:45:45,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 20:45:45,562 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,SelfDestructingSolverStorable13 [2024-10-17 20:45:45,562 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting thr2Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-17 20:45:45,563 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 20:45:45,563 INFO L85 PathProgramCache]: Analyzing trace with hash -292503910, now seen corresponding path program 1 times [2024-10-17 20:45:45,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 20:45:45,563 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2045265522] [2024-10-17 20:45:45,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 20:45:45,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 20:45:45,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 20:45:45,592 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-10-17 20:45:45,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 20:45:45,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2045265522] [2024-10-17 20:45:45,593 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2045265522] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-17 20:45:45,593 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-17 20:45:45,593 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-17 20:45:45,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2021824924] [2024-10-17 20:45:45,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-17 20:45:45,594 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-17 20:45:45,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 20:45:45,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-17 20:45:45,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-17 20:45:45,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 20:45:45,595 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 20:45:45,595 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 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) [2024-10-17 20:45:45,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 20:45:45,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 20:45:45,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 20:45:45,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 20:45:45,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 20:45:45,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 20:45:45,690 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-17 20:45:45,690 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting thr2Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-17 20:45:45,708 INFO L85 PathProgramCache]: Analyzing trace with hash -222994701, now seen corresponding path program 1 times [2024-10-17 20:45:45,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 20:45:45,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 20:45:45,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 20:45:45,744 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-17 20:45:45,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 20:45:45,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 20:45:45,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 20:45:45,764 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-17 20:45:45,765 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 20:45:45,765 INFO L85 PathProgramCache]: Analyzing trace with hash 1644785306, now seen corresponding path program 1 times [2024-10-17 20:45:45,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 20:45:45,765 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [93952280] [2024-10-17 20:45:45,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 20:45:45,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 20:45:45,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 20:45:45,789 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-17 20:45:45,789 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 20:45:45,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [93952280] [2024-10-17 20:45:45,790 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [93952280] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 20:45:45,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [748222920] [2024-10-17 20:45:45,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 20:45:45,790 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 20:45:45,790 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 20:45:45,792 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-17 20:45:45,793 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-17 20:45:45,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 20:45:45,836 INFO L255 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-17 20:45:45,837 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 20:45:45,842 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-10-17 20:45:45,842 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-17 20:45:45,843 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [748222920] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-17 20:45:45,843 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-17 20:45:45,843 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-10-17 20:45:45,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515505640] [2024-10-17 20:45:45,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-17 20:45:45,843 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-17 20:45:45,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 20:45:45,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-17 20:45:45,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-17 20:45:45,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 20:45:45,844 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 20:45:45,844 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-17 20:45:45,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 20:45:45,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 20:45:45,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 20:45:45,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 20:45:45,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 20:45:45,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 20:45:45,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 20:45:45,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 20:45:45,924 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-17 20:45:46,111 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15,SelfDestructingSolverStorable16,SelfDestructingSolverStorable17 [2024-10-17 20:45:46,111 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting thr2Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-17 20:45:46,135 INFO L85 PathProgramCache]: Analyzing trace with hash -222994686, now seen corresponding path program 1 times [2024-10-17 20:45:46,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 20:45:46,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 20:45:46,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 20:45:46,159 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-17 20:45:46,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 20:45:46,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 20:45:46,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 20:45:46,181 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-17 20:45:46,182 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-17 20:45:46,182 INFO L85 PathProgramCache]: Analyzing trace with hash 1979934462, now seen corresponding path program 1 times [2024-10-17 20:45:46,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-17 20:45:46,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [124187547] [2024-10-17 20:45:46,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 20:45:46,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-17 20:45:46,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 20:45:46,209 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-17 20:45:46,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-17 20:45:46,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [124187547] [2024-10-17 20:45:46,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [124187547] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-17 20:45:46,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1932223206] [2024-10-17 20:45:46,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-17 20:45:46,210 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-17 20:45:46,210 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-17 20:45:46,212 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-17 20:45:46,216 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-17 20:45:46,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-17 20:45:46,259 INFO L255 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-17 20:45:46,260 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-17 20:45:46,287 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-17 20:45:46,288 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-17 20:45:46,314 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-17 20:45:46,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1932223206] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-17 20:45:46,315 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-17 20:45:46,315 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 8 [2024-10-17 20:45:46,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702987128] [2024-10-17 20:45:46,315 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-17 20:45:46,316 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-17 20:45:46,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-17 20:45:46,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-17 20:45:46,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-10-17 20:45:46,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-17 20:45:46,317 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-17 20:45:46,317 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.0) internal successors, (64), 8 states have internal predecessors, (64), 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) [2024-10-17 20:45:46,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 20:45:46,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 20:45:46,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-17 20:45:46,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-17 20:45:46,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-17 20:45:47,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 20:45:47,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 20:45:47,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-17 20:45:47,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-17 20:45:47,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-10-17 20:45:47,938 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr2Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-17 20:45:47,955 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-10-17 20:45:48,138 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,SelfDestructingSolverStorable19,8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2024-10-17 20:45:48,140 INFO L414 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2024-10-17 20:45:48,141 INFO L312 ceAbstractionStarter]: Result for error location thr2Thread1of1ForFork1 was SAFE (3/3) [2024-10-17 20:45:48,141 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-17 20:45:48,141 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-17 20:45:48,163 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.10 08:45:48 BasicIcfg [2024-10-17 20:45:48,164 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-17 20:45:48,164 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-17 20:45:48,164 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-17 20:45:48,165 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-17 20:45:48,165 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 08:45:39" (3/4) ... [2024-10-17 20:45:48,168 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-17 20:45:48,175 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thr2 [2024-10-17 20:45:48,175 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thr1 [2024-10-17 20:45:48,178 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2024-10-17 20:45:48,182 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2024-10-17 20:45:48,182 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-10-17 20:45:48,182 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-17 20:45:48,283 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/witness.graphml [2024-10-17 20:45:48,283 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/witness.yml [2024-10-17 20:45:48,283 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-17 20:45:48,284 INFO L158 Benchmark]: Toolchain (without parser) took 9334.94ms. Allocated memory was 159.4MB in the beginning and 314.6MB in the end (delta: 155.2MB). Free memory was 84.5MB in the beginning and 268.7MB in the end (delta: -184.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-17 20:45:48,284 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 159.4MB. Free memory was 109.1MB in the beginning and 108.9MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-17 20:45:48,284 INFO L158 Benchmark]: CACSL2BoogieTranslator took 485.38ms. Allocated memory is still 159.4MB. Free memory was 84.3MB in the beginning and 62.0MB in the end (delta: 22.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-10-17 20:45:48,284 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.32ms. Allocated memory is still 159.4MB. Free memory was 62.0MB in the beginning and 126.1MB in the end (delta: -64.1MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. [2024-10-17 20:45:48,284 INFO L158 Benchmark]: Boogie Preprocessor took 61.72ms. Allocated memory was 159.4MB in the beginning and 245.4MB in the end (delta: 86.0MB). Free memory was 126.1MB in the beginning and 216.0MB in the end (delta: -90.0MB). Peak memory consumption was 4.7MB. Max. memory is 16.1GB. [2024-10-17 20:45:48,285 INFO L158 Benchmark]: RCFGBuilder took 388.97ms. Allocated memory is still 245.4MB. Free memory was 216.0MB in the beginning and 196.1MB in the end (delta: 19.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-10-17 20:45:48,285 INFO L158 Benchmark]: TraceAbstraction took 8195.00ms. Allocated memory was 245.4MB in the beginning and 314.6MB in the end (delta: 69.2MB). Free memory was 195.1MB in the beginning and 272.7MB in the end (delta: -77.6MB). Peak memory consumption was 168.2MB. Max. memory is 16.1GB. [2024-10-17 20:45:48,285 INFO L158 Benchmark]: Witness Printer took 119.04ms. Allocated memory is still 314.6MB. Free memory was 272.7MB in the beginning and 268.7MB in the end (delta: 4.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-17 20:45:48,286 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 159.4MB. Free memory was 109.1MB in the beginning and 108.9MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 485.38ms. Allocated memory is still 159.4MB. Free memory was 84.3MB in the beginning and 62.0MB in the end (delta: 22.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.32ms. Allocated memory is still 159.4MB. Free memory was 62.0MB in the beginning and 126.1MB in the end (delta: -64.1MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.72ms. Allocated memory was 159.4MB in the beginning and 245.4MB in the end (delta: 86.0MB). Free memory was 126.1MB in the beginning and 216.0MB in the end (delta: -90.0MB). Peak memory consumption was 4.7MB. Max. memory is 16.1GB. * RCFGBuilder took 388.97ms. Allocated memory is still 245.4MB. Free memory was 216.0MB in the beginning and 196.1MB in the end (delta: 19.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 8195.00ms. Allocated memory was 245.4MB in the beginning and 314.6MB in the end (delta: 69.2MB). Free memory was 195.1MB in the beginning and 272.7MB in the end (delta: -77.6MB). Peak memory consumption was 168.2MB. Max. memory is 16.1GB. * Witness Printer took 119.04ms. Allocated memory is still 314.6MB. Free memory was 272.7MB in the beginning and 268.7MB in the end (delta: 4.0MB). 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: 13725, independent: 11066, independent conditional: 9138, independent unconditional: 1928, dependent: 2659, dependent conditional: 2497, dependent unconditional: 162, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 11983, independent: 11066, independent conditional: 9138, independent unconditional: 1928, dependent: 917, dependent conditional: 755, dependent unconditional: 162, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 11983, independent: 11066, independent conditional: 9138, independent unconditional: 1928, dependent: 917, dependent conditional: 755, dependent unconditional: 162, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 11983, independent: 11066, independent conditional: 9138, independent unconditional: 1928, dependent: 917, dependent conditional: 755, dependent unconditional: 162, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 15086, independent: 11066, independent conditional: 9138, independent unconditional: 1928, dependent: 4020, dependent conditional: 3696, dependent unconditional: 324, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 15086, independent: 11066, independent conditional: 17, independent unconditional: 11049, dependent: 4020, dependent conditional: 461, dependent unconditional: 3559, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 15086, independent: 11066, independent conditional: 17, independent unconditional: 11049, dependent: 4020, dependent conditional: 461, dependent unconditional: 3559, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2108, independent: 1850, independent conditional: 3, independent unconditional: 1847, dependent: 258, dependent conditional: 103, dependent unconditional: 155, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2108, independent: 1843, independent conditional: 0, independent unconditional: 1843, dependent: 265, dependent conditional: 0, dependent unconditional: 265, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 265, independent: 7, independent conditional: 3, independent unconditional: 4, dependent: 258, dependent conditional: 103, dependent unconditional: 155, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 265, independent: 7, independent conditional: 3, independent unconditional: 4, dependent: 258, dependent conditional: 103, dependent unconditional: 155, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1871, independent: 88, independent conditional: 31, independent unconditional: 56, dependent: 1784, dependent conditional: 614, dependent unconditional: 1169, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 15086, independent: 9216, independent conditional: 14, independent unconditional: 9202, dependent: 3762, dependent conditional: 358, dependent unconditional: 3404, unknown: 2108, unknown conditional: 106, unknown unconditional: 2002] , Statistics on independence cache: Total cache size (in pairs): 2108, Positive cache size: 1850, Positive conditional cache size: 3, Positive unconditional cache size: 1847, Negative cache size: 258, Negative conditional cache size: 103, Negative unconditional cache size: 155, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 12356, Maximal queried relation: 5, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 15086, independent: 11066, independent conditional: 9138, independent unconditional: 1928, dependent: 4020, dependent conditional: 3696, dependent unconditional: 324, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 15086, independent: 11066, independent conditional: 17, independent unconditional: 11049, dependent: 4020, dependent conditional: 461, dependent unconditional: 3559, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 15086, independent: 11066, independent conditional: 17, independent unconditional: 11049, dependent: 4020, dependent conditional: 461, dependent unconditional: 3559, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2108, independent: 1850, independent conditional: 3, independent unconditional: 1847, dependent: 258, dependent conditional: 103, dependent unconditional: 155, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2108, independent: 1843, independent conditional: 0, independent unconditional: 1843, dependent: 265, dependent conditional: 0, dependent unconditional: 265, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 265, independent: 7, independent conditional: 3, independent unconditional: 4, dependent: 258, dependent conditional: 103, dependent unconditional: 155, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 265, independent: 7, independent conditional: 3, independent unconditional: 4, dependent: 258, dependent conditional: 103, dependent unconditional: 155, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1871, independent: 88, independent conditional: 31, independent unconditional: 56, dependent: 1784, dependent conditional: 614, dependent unconditional: 1169, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 15086, independent: 9216, independent conditional: 14, independent unconditional: 9202, dependent: 3762, dependent conditional: 358, dependent unconditional: 3404, unknown: 2108, unknown conditional: 106, unknown unconditional: 2002] , Statistics on independence cache: Total cache size (in pairs): 2108, Positive cache size: 1850, Positive conditional cache size: 3, Positive unconditional cache size: 1847, Negative cache size: 258, Negative conditional cache size: 103, Negative unconditional cache size: 155, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 12356 ], Independence queries for same thread: 1742, Persistent sets #1 benchmarks: Persistent set computation time: 1.4s, Number of persistent set computation: 1053, Number of trivial persistent sets: 988, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2083, independent: 1928, independent conditional: 0, independent unconditional: 1928, dependent: 155, dependent conditional: 0, dependent unconditional: 155, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 13725, independent: 11066, independent conditional: 9138, independent unconditional: 1928, dependent: 2659, dependent conditional: 2497, dependent unconditional: 162, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 11983, independent: 11066, independent conditional: 9138, independent unconditional: 1928, dependent: 917, dependent conditional: 755, dependent unconditional: 162, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 11983, independent: 11066, independent conditional: 9138, independent unconditional: 1928, dependent: 917, dependent conditional: 755, dependent unconditional: 162, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 11983, independent: 11066, independent conditional: 9138, independent unconditional: 1928, dependent: 917, dependent conditional: 755, dependent unconditional: 162, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 15086, independent: 11066, independent conditional: 9138, independent unconditional: 1928, dependent: 4020, dependent conditional: 3696, dependent unconditional: 324, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 15086, independent: 11066, independent conditional: 17, independent unconditional: 11049, dependent: 4020, dependent conditional: 461, dependent unconditional: 3559, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 15086, independent: 11066, independent conditional: 17, independent unconditional: 11049, dependent: 4020, dependent conditional: 461, dependent unconditional: 3559, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2108, independent: 1850, independent conditional: 3, independent unconditional: 1847, dependent: 258, dependent conditional: 103, dependent unconditional: 155, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2108, independent: 1843, independent conditional: 0, independent unconditional: 1843, dependent: 265, dependent conditional: 0, dependent unconditional: 265, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 265, independent: 7, independent conditional: 3, independent unconditional: 4, dependent: 258, dependent conditional: 103, dependent unconditional: 155, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 265, independent: 7, independent conditional: 3, independent unconditional: 4, dependent: 258, dependent conditional: 103, dependent unconditional: 155, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1871, independent: 88, independent conditional: 31, independent unconditional: 56, dependent: 1784, dependent conditional: 614, dependent unconditional: 1169, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 15086, independent: 9216, independent conditional: 14, independent unconditional: 9202, dependent: 3762, dependent conditional: 358, dependent unconditional: 3404, unknown: 2108, unknown conditional: 106, unknown unconditional: 2002] , Statistics on independence cache: Total cache size (in pairs): 2108, Positive cache size: 1850, Positive conditional cache size: 3, Positive unconditional cache size: 1847, Negative cache size: 258, Negative conditional cache size: 103, Negative unconditional cache size: 155, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 12356, Maximal queried relation: 5, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 15086, independent: 11066, independent conditional: 9138, independent unconditional: 1928, dependent: 4020, dependent conditional: 3696, dependent unconditional: 324, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 15086, independent: 11066, independent conditional: 17, independent unconditional: 11049, dependent: 4020, dependent conditional: 461, dependent unconditional: 3559, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 15086, independent: 11066, independent conditional: 17, independent unconditional: 11049, dependent: 4020, dependent conditional: 461, dependent unconditional: 3559, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2108, independent: 1850, independent conditional: 3, independent unconditional: 1847, dependent: 258, dependent conditional: 103, dependent unconditional: 155, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2108, independent: 1843, independent conditional: 0, independent unconditional: 1843, dependent: 265, dependent conditional: 0, dependent unconditional: 265, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 265, independent: 7, independent conditional: 3, independent unconditional: 4, dependent: 258, dependent conditional: 103, dependent unconditional: 155, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 265, independent: 7, independent conditional: 3, independent unconditional: 4, dependent: 258, dependent conditional: 103, dependent unconditional: 155, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1871, independent: 88, independent conditional: 31, independent unconditional: 56, dependent: 1784, dependent conditional: 614, dependent unconditional: 1169, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 15086, independent: 9216, independent conditional: 14, independent unconditional: 9202, dependent: 3762, dependent conditional: 358, dependent unconditional: 3404, unknown: 2108, unknown conditional: 106, unknown unconditional: 2002] , Statistics on independence cache: Total cache size (in pairs): 2108, Positive cache size: 1850, Positive conditional cache size: 3, Positive unconditional cache size: 1847, Negative cache size: 258, Negative conditional cache size: 103, Negative unconditional cache size: 155, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 12356 ], Independence queries for same thread: 1742 - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 322, independent: 316, independent conditional: 6, independent unconditional: 310, dependent: 6, dependent conditional: 2, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 320, independent: 316, independent conditional: 6, independent unconditional: 310, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 320, independent: 316, independent conditional: 6, independent unconditional: 310, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 320, independent: 316, independent conditional: 6, independent unconditional: 310, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 324, independent: 316, independent conditional: 6, independent unconditional: 310, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 324, independent: 316, independent conditional: 0, independent unconditional: 316, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 324, independent: 316, independent conditional: 0, independent unconditional: 316, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 314, independent: 310, independent conditional: 0, independent unconditional: 310, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 314, independent: 309, independent conditional: 0, independent unconditional: 309, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 5, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 5, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 90, independent: 19, independent conditional: 0, independent unconditional: 19, dependent: 71, dependent conditional: 0, dependent unconditional: 71, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 324, independent: 6, independent conditional: 0, independent unconditional: 6, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 314, unknown conditional: 0, unknown unconditional: 314] , Statistics on independence cache: Total cache size (in pairs): 314, Positive cache size: 310, Positive conditional cache size: 0, Positive unconditional cache size: 310, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 6, Maximal queried relation: 0, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 324, independent: 316, independent conditional: 6, independent unconditional: 310, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 324, independent: 316, independent conditional: 0, independent unconditional: 316, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 324, independent: 316, independent conditional: 0, independent unconditional: 316, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 314, independent: 310, independent conditional: 0, independent unconditional: 310, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 314, independent: 309, independent conditional: 0, independent unconditional: 309, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 5, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 5, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 90, independent: 19, independent conditional: 0, independent unconditional: 19, dependent: 71, dependent conditional: 0, dependent unconditional: 71, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 324, independent: 6, independent conditional: 0, independent unconditional: 6, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 314, unknown conditional: 0, unknown unconditional: 314] , Statistics on independence cache: Total cache size (in pairs): 314, Positive cache size: 310, Positive conditional cache size: 0, Positive unconditional cache size: 310, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 6 ], Independence queries for same thread: 2, Persistent sets #1 benchmarks: Persistent set computation time: 0.1s, Number of persistent set computation: 10, Number of trivial persistent sets: 8, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 314, independent: 310, independent conditional: 0, independent unconditional: 310, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 322, independent: 316, independent conditional: 6, independent unconditional: 310, dependent: 6, dependent conditional: 2, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 320, independent: 316, independent conditional: 6, independent unconditional: 310, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 320, independent: 316, independent conditional: 6, independent unconditional: 310, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 320, independent: 316, independent conditional: 6, independent unconditional: 310, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 324, independent: 316, independent conditional: 6, independent unconditional: 310, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 324, independent: 316, independent conditional: 0, independent unconditional: 316, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 324, independent: 316, independent conditional: 0, independent unconditional: 316, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 314, independent: 310, independent conditional: 0, independent unconditional: 310, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 314, independent: 309, independent conditional: 0, independent unconditional: 309, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 5, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 5, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 90, independent: 19, independent conditional: 0, independent unconditional: 19, dependent: 71, dependent conditional: 0, dependent unconditional: 71, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 324, independent: 6, independent conditional: 0, independent unconditional: 6, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 314, unknown conditional: 0, unknown unconditional: 314] , Statistics on independence cache: Total cache size (in pairs): 314, Positive cache size: 310, Positive conditional cache size: 0, Positive unconditional cache size: 310, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 6, Maximal queried relation: 0, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 324, independent: 316, independent conditional: 6, independent unconditional: 310, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 324, independent: 316, independent conditional: 0, independent unconditional: 316, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 324, independent: 316, independent conditional: 0, independent unconditional: 316, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 314, independent: 310, independent conditional: 0, independent unconditional: 310, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 314, independent: 309, independent conditional: 0, independent unconditional: 309, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 5, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 5, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 90, independent: 19, independent conditional: 0, independent unconditional: 19, dependent: 71, dependent conditional: 0, dependent unconditional: 71, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 324, independent: 6, independent conditional: 0, independent unconditional: 6, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 314, unknown conditional: 0, unknown unconditional: 314] , Statistics on independence cache: Total cache size (in pairs): 314, Positive cache size: 310, Positive conditional cache size: 0, Positive unconditional cache size: 310, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 6 ], Independence queries for same thread: 2 - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 9188, independent: 7470, independent conditional: 5632, independent unconditional: 1838, dependent: 1718, dependent conditional: 1560, dependent unconditional: 158, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 8109, independent: 7470, independent conditional: 5632, independent unconditional: 1838, dependent: 639, dependent conditional: 481, dependent unconditional: 158, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8109, independent: 7470, independent conditional: 5632, independent unconditional: 1838, dependent: 639, dependent conditional: 481, dependent unconditional: 158, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 8109, independent: 7470, independent conditional: 5632, independent unconditional: 1838, dependent: 639, dependent conditional: 481, dependent unconditional: 158, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9491, independent: 7470, independent conditional: 5632, independent unconditional: 1838, dependent: 2021, dependent conditional: 1705, dependent unconditional: 316, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 9491, independent: 7470, independent conditional: 0, independent unconditional: 7470, dependent: 2021, dependent conditional: 251, dependent unconditional: 1770, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 9491, independent: 7470, independent conditional: 0, independent unconditional: 7470, dependent: 2021, dependent conditional: 251, dependent unconditional: 1770, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2004, independent: 1763, independent conditional: 0, independent unconditional: 1763, dependent: 241, dependent conditional: 92, dependent unconditional: 149, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2004, independent: 1759, independent conditional: 0, independent unconditional: 1759, dependent: 245, dependent conditional: 0, dependent unconditional: 245, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 245, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 241, dependent conditional: 92, dependent unconditional: 149, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 245, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 241, dependent conditional: 92, dependent unconditional: 149, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1150, independent: 31, independent conditional: 0, independent unconditional: 31, dependent: 1119, dependent conditional: 410, dependent unconditional: 708, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 9491, independent: 5707, independent conditional: 0, independent unconditional: 5707, dependent: 1780, dependent conditional: 159, dependent unconditional: 1621, unknown: 2004, unknown conditional: 92, unknown unconditional: 1912] , Statistics on independence cache: Total cache size (in pairs): 2004, Positive cache size: 1763, Positive conditional cache size: 0, Positive unconditional cache size: 1763, Negative cache size: 241, Negative conditional cache size: 92, Negative unconditional cache size: 149, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 7086, Maximal queried relation: 3, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9491, independent: 7470, independent conditional: 5632, independent unconditional: 1838, dependent: 2021, dependent conditional: 1705, dependent unconditional: 316, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 9491, independent: 7470, independent conditional: 0, independent unconditional: 7470, dependent: 2021, dependent conditional: 251, dependent unconditional: 1770, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 9491, independent: 7470, independent conditional: 0, independent unconditional: 7470, dependent: 2021, dependent conditional: 251, dependent unconditional: 1770, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2004, independent: 1763, independent conditional: 0, independent unconditional: 1763, dependent: 241, dependent conditional: 92, dependent unconditional: 149, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2004, independent: 1759, independent conditional: 0, independent unconditional: 1759, dependent: 245, dependent conditional: 0, dependent unconditional: 245, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 245, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 241, dependent conditional: 92, dependent unconditional: 149, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 245, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 241, dependent conditional: 92, dependent unconditional: 149, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1150, independent: 31, independent conditional: 0, independent unconditional: 31, dependent: 1119, dependent conditional: 410, dependent unconditional: 708, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 9491, independent: 5707, independent conditional: 0, independent unconditional: 5707, dependent: 1780, dependent conditional: 159, dependent unconditional: 1621, unknown: 2004, unknown conditional: 92, unknown unconditional: 1912] , Statistics on independence cache: Total cache size (in pairs): 2004, Positive cache size: 1763, Positive conditional cache size: 0, Positive unconditional cache size: 1763, Negative cache size: 241, Negative conditional cache size: 92, Negative unconditional cache size: 149, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 7086 ], Independence queries for same thread: 1079, Persistent sets #1 benchmarks: Persistent set computation time: 0.8s, Number of persistent set computation: 988, Number of trivial persistent sets: 911, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1987, independent: 1838, independent conditional: 0, independent unconditional: 1838, dependent: 149, dependent conditional: 0, dependent unconditional: 149, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 9188, independent: 7470, independent conditional: 5632, independent unconditional: 1838, dependent: 1718, dependent conditional: 1560, dependent unconditional: 158, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 8109, independent: 7470, independent conditional: 5632, independent unconditional: 1838, dependent: 639, dependent conditional: 481, dependent unconditional: 158, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8109, independent: 7470, independent conditional: 5632, independent unconditional: 1838, dependent: 639, dependent conditional: 481, dependent unconditional: 158, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 8109, independent: 7470, independent conditional: 5632, independent unconditional: 1838, dependent: 639, dependent conditional: 481, dependent unconditional: 158, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9491, independent: 7470, independent conditional: 5632, independent unconditional: 1838, dependent: 2021, dependent conditional: 1705, dependent unconditional: 316, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 9491, independent: 7470, independent conditional: 0, independent unconditional: 7470, dependent: 2021, dependent conditional: 251, dependent unconditional: 1770, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 9491, independent: 7470, independent conditional: 0, independent unconditional: 7470, dependent: 2021, dependent conditional: 251, dependent unconditional: 1770, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2004, independent: 1763, independent conditional: 0, independent unconditional: 1763, dependent: 241, dependent conditional: 92, dependent unconditional: 149, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2004, independent: 1759, independent conditional: 0, independent unconditional: 1759, dependent: 245, dependent conditional: 0, dependent unconditional: 245, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 245, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 241, dependent conditional: 92, dependent unconditional: 149, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 245, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 241, dependent conditional: 92, dependent unconditional: 149, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1150, independent: 31, independent conditional: 0, independent unconditional: 31, dependent: 1119, dependent conditional: 410, dependent unconditional: 708, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 9491, independent: 5707, independent conditional: 0, independent unconditional: 5707, dependent: 1780, dependent conditional: 159, dependent unconditional: 1621, unknown: 2004, unknown conditional: 92, unknown unconditional: 1912] , Statistics on independence cache: Total cache size (in pairs): 2004, Positive cache size: 1763, Positive conditional cache size: 0, Positive unconditional cache size: 1763, Negative cache size: 241, Negative conditional cache size: 92, Negative unconditional cache size: 149, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 7086, Maximal queried relation: 3, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9491, independent: 7470, independent conditional: 5632, independent unconditional: 1838, dependent: 2021, dependent conditional: 1705, dependent unconditional: 316, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 9491, independent: 7470, independent conditional: 0, independent unconditional: 7470, dependent: 2021, dependent conditional: 251, dependent unconditional: 1770, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 9491, independent: 7470, independent conditional: 0, independent unconditional: 7470, dependent: 2021, dependent conditional: 251, dependent unconditional: 1770, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2004, independent: 1763, independent conditional: 0, independent unconditional: 1763, dependent: 241, dependent conditional: 92, dependent unconditional: 149, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2004, independent: 1759, independent conditional: 0, independent unconditional: 1759, dependent: 245, dependent conditional: 0, dependent unconditional: 245, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 245, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 241, dependent conditional: 92, dependent unconditional: 149, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 245, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 241, dependent conditional: 92, dependent unconditional: 149, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1150, independent: 31, independent conditional: 0, independent unconditional: 31, dependent: 1119, dependent conditional: 410, dependent unconditional: 708, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 9491, independent: 5707, independent conditional: 0, independent unconditional: 5707, dependent: 1780, dependent conditional: 159, dependent unconditional: 1621, unknown: 2004, unknown conditional: 92, unknown unconditional: 1912] , Statistics on independence cache: Total cache size (in pairs): 2004, Positive cache size: 1763, Positive conditional cache size: 0, Positive unconditional cache size: 1763, Negative cache size: 241, Negative conditional cache size: 92, Negative unconditional cache size: 149, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 7086 ], Independence queries for same thread: 1079 - PositiveResult [Line: 745]: 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: 802]: 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: thr1Thread1of1ForFork0 with 1 thread instances CFG has 5 procedures, 111 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 4.8s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 3.1s, 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: 38, 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, 0.3s InterpolantComputationTime, 250 NumberOfCodeBlocks, 250 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 279 ConstructedInterpolants, 0 QuantifiedInterpolants, 381 SizeOfPredicates, 1 NumberOfNonLiveVariables, 228 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 7 InterpolantComputations, 3 PerfectInterpolantSequences, 69/77 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: 0.7s, ConditionalCommutativityCheckTime: 0.7s, ConditionalCommutativityIAIntegrations: 0, ConditionalCommutativityDFSRestarts: 0, ConditionalCommutativityCommutingCounterexamples: 3, ConditionalCommutativityConditionCalculations: 3, ConditionalCommutativityTraceChecks: 3, ConditionalCommutativityImperfectProofs: 0 - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 111 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 0.1s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.1s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: 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: thr2Thread1of1ForFork1 with 1 thread instances CFG has 5 procedures, 111 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 3.0s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 2.1s, 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: 53, 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, 0.1s InterpolantComputationTime, 221 NumberOfCodeBlocks, 221 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 257 ConstructedInterpolants, 0 QuantifiedInterpolants, 363 SizeOfPredicates, 1 NumberOfNonLiveVariables, 241 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 6 InterpolantComputations, 2 PerfectInterpolantSequences, 74/88 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: 0.3s, ConditionalCommutativityCheckTime: 0.3s, ConditionalCommutativityIAIntegrations: 0, ConditionalCommutativityDFSRestarts: 0, ConditionalCommutativityCommutingCounterexamples: 2, ConditionalCommutativityConditionCalculations: 4, ConditionalCommutativityTraceChecks: 4, ConditionalCommutativityImperfectProofs: 2 - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-17 20:45:48,311 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (6)] Ended with exit code 0 [2024-10-17 20:45:48,512 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (5)] Ended with exit code 0 [2024-10-17 20:45:48,711 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 [2024-10-17 20:45:48,914 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