/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistent.epf --traceabstraction.dfs.order.used.in.por PSEUDO_LOCKSTEP -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-complex/elimination_backoff_stack.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.datarace-free-lbe-02cf818-m [2023-11-17 17:16:53,552 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-17 17:16:53,638 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistent.epf [2023-11-17 17:16:53,643 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-17 17:16:53,643 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-17 17:16:53,671 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-17 17:16:53,671 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-17 17:16:53,672 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-17 17:16:53,672 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-17 17:16:53,676 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-17 17:16:53,676 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-17 17:16:53,676 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-17 17:16:53,677 INFO L153 SettingsManager]: * Use SBE=true [2023-11-17 17:16:53,678 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-17 17:16:53,678 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-17 17:16:53,678 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-17 17:16:53,678 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-17 17:16:53,679 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-17 17:16:53,679 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-17 17:16:53,679 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-17 17:16:53,679 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-17 17:16:53,680 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-17 17:16:53,680 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-17 17:16:53,680 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-17 17:16:53,680 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-17 17:16:53,681 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-17 17:16:53,681 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-17 17:16:53,681 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-11-17 17:16:53,681 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-17 17:16:53,682 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-17 17:16:53,682 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-17 17:16:53,683 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-17 17:16:53,683 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-17 17:16:53,683 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-17 17:16:53,683 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-17 17:16:53,683 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-17 17:16:53,683 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-11-17 17:16:53,684 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-17 17:16:53,684 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-11-17 17:16:53,684 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES [2023-11-17 17:16:53,684 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/UAutomizer-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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> PSEUDO_LOCKSTEP [2023-11-17 17:16:53,917 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-17 17:16:53,946 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-17 17:16:53,948 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-17 17:16:53,949 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-17 17:16:53,950 INFO L274 PluginConnector]: CDTParser initialized [2023-11-17 17:16:53,950 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-complex/elimination_backoff_stack.i [2023-11-17 17:16:55,157 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-17 17:16:55,489 INFO L384 CDTParser]: Found 1 translation units. [2023-11-17 17:16:55,490 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-complex/elimination_backoff_stack.i [2023-11-17 17:16:55,513 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c09e367d3/081ab2a5b6ed4400a6f52b53016b6972/FLAG06d8f1d63 [2023-11-17 17:16:55,527 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c09e367d3/081ab2a5b6ed4400a6f52b53016b6972 [2023-11-17 17:16:55,529 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-17 17:16:55,531 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-11-17 17:16:55,533 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-17 17:16:55,533 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-17 17:16:55,538 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-17 17:16:55,539 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 05:16:55" (1/1) ... [2023-11-17 17:16:55,540 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25e38257 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:16:55, skipping insertion in model container [2023-11-17 17:16:55,540 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 05:16:55" (1/1) ... [2023-11-17 17:16:55,604 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-17 17:16:56,172 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-complex/elimination_backoff_stack.i[63614,63627] [2023-11-17 17:16:56,215 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-17 17:16:56,235 INFO L202 MainTranslator]: Completed pre-run [2023-11-17 17:16:56,312 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-complex/elimination_backoff_stack.i[63614,63627] [2023-11-17 17:16:56,323 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-17 17:16:56,413 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 17:16:56,414 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 17:16:56,420 INFO L206 MainTranslator]: Completed translation [2023-11-17 17:16:56,421 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:16:56 WrapperNode [2023-11-17 17:16:56,421 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-17 17:16:56,422 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-17 17:16:56,422 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-17 17:16:56,422 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-17 17:16:56,428 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:16:56" (1/1) ... [2023-11-17 17:16:56,449 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:16:56" (1/1) ... [2023-11-17 17:16:56,584 INFO L138 Inliner]: procedures = 397, calls = 218, calls flagged for inlining = 52, calls inlined = 211, statements flattened = 3786 [2023-11-17 17:16:56,585 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-17 17:16:56,586 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-17 17:16:56,586 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-17 17:16:56,586 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-17 17:16:56,595 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:16:56" (1/1) ... [2023-11-17 17:16:56,595 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:16:56" (1/1) ... [2023-11-17 17:16:56,638 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:16:56" (1/1) ... [2023-11-17 17:16:56,639 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:16:56" (1/1) ... [2023-11-17 17:16:56,732 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:16:56" (1/1) ... [2023-11-17 17:16:56,757 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:16:56" (1/1) ... [2023-11-17 17:16:56,772 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:16:56" (1/1) ... [2023-11-17 17:16:56,795 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:16:56" (1/1) ... [2023-11-17 17:16:56,826 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-17 17:16:56,827 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-17 17:16:56,827 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-17 17:16:56,827 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-17 17:16:56,827 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:16:56" (1/1) ... [2023-11-17 17:16:56,832 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-17 17:16:56,843 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 17:16:56,860 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-17 17:16:56,886 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-17 17:16:56,894 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-17 17:16:56,894 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-17 17:16:56,895 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-17 17:16:56,895 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-17 17:16:56,895 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-17 17:16:56,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-17 17:16:56,895 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush2 [2023-11-17 17:16:56,895 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush2 [2023-11-17 17:16:56,895 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush1 [2023-11-17 17:16:56,895 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush1 [2023-11-17 17:16:56,897 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush0 [2023-11-17 17:16:56,897 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush0 [2023-11-17 17:16:56,897 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-17 17:16:56,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-17 17:16:56,897 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-17 17:16:56,897 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-17 17:16:56,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-17 17:16:56,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-17 17:16:56,897 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop5 [2023-11-17 17:16:56,897 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop5 [2023-11-17 17:16:56,898 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop6 [2023-11-17 17:16:56,898 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop6 [2023-11-17 17:16:56,898 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop3 [2023-11-17 17:16:56,898 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop3 [2023-11-17 17:16:56,898 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop4 [2023-11-17 17:16:56,898 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop4 [2023-11-17 17:16:56,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-17 17:16:56,901 WARN L211 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-17 17:16:57,272 INFO L239 CfgBuilder]: Building ICFG [2023-11-17 17:16:57,274 INFO L265 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-17 17:17:00,207 INFO L280 CfgBuilder]: Performing block encoding [2023-11-17 17:17:02,613 INFO L302 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-17 17:17:02,613 INFO L307 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-17 17:17:02,616 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 05:17:02 BoogieIcfgContainer [2023-11-17 17:17:02,616 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-17 17:17:02,619 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-17 17:17:02,619 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-17 17:17:02,622 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-17 17:17:02,622 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 05:16:55" (1/3) ... [2023-11-17 17:17:02,623 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ea9d60c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 05:17:02, skipping insertion in model container [2023-11-17 17:17:02,623 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:16:56" (2/3) ... [2023-11-17 17:17:02,623 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ea9d60c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 05:17:02, skipping insertion in model container [2023-11-17 17:17:02,623 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 05:17:02" (3/3) ... [2023-11-17 17:17:02,625 INFO L112 eAbstractionObserver]: Analyzing ICFG elimination_backoff_stack.i [2023-11-17 17:17:02,637 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-17 17:17:02,646 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-17 17:17:02,646 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 7 error locations. [2023-11-17 17:17:02,646 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-17 17:17:03,381 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-17 17:17:03,444 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-17 17:17:03,445 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-11-17 17:17:03,445 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 17:17:03,449 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-11-17 17:17:03,461 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2023-11-17 17:17:03,497 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-11-17 17:17:03,507 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == instrPush2Thread1of1ForFork2 ======== [2023-11-17 17:17:03,514 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5fbe4277, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-17 17:17:03,515 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-17 17:21:06,565 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting instrPush2Err0ASSERT_VIOLATIONERROR_FUNCTION === [instrPush2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-17 17:21:06,570 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 17:21:06,570 INFO L85 PathProgramCache]: Analyzing trace with hash -193964937, now seen corresponding path program 1 times [2023-11-17 17:21:06,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 17:21:06,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1887596793] [2023-11-17 17:21:06,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 17:21:06,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 17:21:06,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 17:21:07,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 17:21:07,168 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 17:21:07,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1887596793] [2023-11-17 17:21:07,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1887596793] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 17:21:07,169 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-17 17:21:07,169 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-17 17:21:07,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393464454] [2023-11-17 17:21:07,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 17:21:07,179 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-17 17:21:07,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 17:21:07,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-17 17:21:07,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-17 17:21:07,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:21:07,206 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 17:21:07,208 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 154.0) internal successors, (308), 2 states have internal predecessors, (308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-17 17:21:07,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:21:07,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:21:07,362 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-17 17:21:07,362 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting instrPush2Err0ASSERT_VIOLATIONERROR_FUNCTION === [instrPush2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-17 17:21:07,363 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 17:21:07,363 INFO L85 PathProgramCache]: Analyzing trace with hash 1168529247, now seen corresponding path program 1 times [2023-11-17 17:21:07,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 17:21:07,363 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1525472939] [2023-11-17 17:21:07,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 17:21:07,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 17:21:07,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 17:21:07,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 17:21:07,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 17:21:07,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1525472939] [2023-11-17 17:21:07,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1525472939] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 17:21:07,924 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-17 17:21:07,924 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-17 17:21:07,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872940852] [2023-11-17 17:21:07,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 17:21:07,926 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-17 17:21:07,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 17:21:07,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-17 17:21:07,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-17 17:21:07,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:21:07,929 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 17:21:07,929 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 76.75) internal successors, (307), 4 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-17 17:21:07,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:21:07,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:21:08,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:21:08,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-17 17:21:08,766 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-17 17:21:08,767 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting instrPush2Err0ASSERT_VIOLATIONERROR_FUNCTION === [instrPush2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-17 17:21:08,767 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 17:21:08,767 INFO L85 PathProgramCache]: Analyzing trace with hash 763661756, now seen corresponding path program 1 times [2023-11-17 17:21:08,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 17:21:08,768 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258967419] [2023-11-17 17:21:08,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 17:21:08,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 17:21:09,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 17:21:20,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 17:21:20,506 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 17:21:20,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1258967419] [2023-11-17 17:21:20,506 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1258967419] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 17:21:20,507 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-17 17:21:20,507 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [47] imperfect sequences [] total 47 [2023-11-17 17:21:20,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634005049] [2023-11-17 17:21:20,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 17:21:20,507 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2023-11-17 17:21:20,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 17:21:20,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2023-11-17 17:21:20,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=208, Invalid=2048, Unknown=0, NotChecked=0, Total=2256 [2023-11-17 17:21:20,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:21:20,510 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 17:21:20,510 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 47 states have (on average 3.702127659574468) internal successors, (174), 48 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-17 17:21:20,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:21:20,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-17 17:21:20,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:21:33,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:21:33,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-17 17:21:33,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2023-11-17 17:21:33,804 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-17 17:21:33,804 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting instrPush2Err0ASSERT_VIOLATIONERROR_FUNCTION === [instrPush2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-17 17:21:33,812 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 17:21:33,812 INFO L85 PathProgramCache]: Analyzing trace with hash 694525946, now seen corresponding path program 1 times [2023-11-17 17:21:33,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 17:21:33,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754122473] [2023-11-17 17:21:33,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 17:21:33,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 17:21:34,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 17:21:45,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 17:21:45,251 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 17:21:45,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1754122473] [2023-11-17 17:21:45,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1754122473] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 17:21:45,252 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-17 17:21:45,252 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [49] imperfect sequences [] total 49 [2023-11-17 17:21:45,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548140968] [2023-11-17 17:21:45,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 17:21:45,253 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2023-11-17 17:21:45,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 17:21:45,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2023-11-17 17:21:45,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=226, Invalid=2224, Unknown=0, NotChecked=0, Total=2450 [2023-11-17 17:21:45,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:21:45,255 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 17:21:45,255 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 49 states have (on average 3.63265306122449) internal successors, (178), 50 states have internal predecessors, (178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-17 17:21:45,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:21:45,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-17 17:21:45,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2023-11-17 17:21:45,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:22:02,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:22:02,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-17 17:22:02,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2023-11-17 17:22:02,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2023-11-17 17:22:02,103 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-17 17:22:02,104 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting instrPush2Err0ASSERT_VIOLATIONERROR_FUNCTION === [instrPush2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-17 17:22:02,104 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 17:22:02,104 INFO L85 PathProgramCache]: Analyzing trace with hash -1210207515, now seen corresponding path program 1 times [2023-11-17 17:22:02,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 17:22:02,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094241538] [2023-11-17 17:22:02,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 17:22:02,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 17:22:02,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 17:22:17,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 17:22:17,373 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 17:22:17,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1094241538] [2023-11-17 17:22:17,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1094241538] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 17:22:17,374 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-17 17:22:17,374 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [55] imperfect sequences [] total 55 [2023-11-17 17:22:17,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785277111] [2023-11-17 17:22:17,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 17:22:17,375 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 56 states [2023-11-17 17:22:17,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 17:22:17,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2023-11-17 17:22:17,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=241, Invalid=2839, Unknown=0, NotChecked=0, Total=3080 [2023-11-17 17:22:17,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:22:17,379 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 17:22:17,379 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 56 states, 55 states have (on average 3.7818181818181817) internal successors, (208), 56 states have internal predecessors, (208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-17 17:22:17,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:22:17,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-17 17:22:17,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2023-11-17 17:22:17,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2023-11-17 17:22:17,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:22:37,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:22:37,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-17 17:22:37,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2023-11-17 17:22:37,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2023-11-17 17:22:37,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2023-11-17 17:22:37,316 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-17 17:22:37,317 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting instrPush2Err0ASSERT_VIOLATIONERROR_FUNCTION === [instrPush2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-17 17:22:37,317 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 17:22:37,317 INFO L85 PathProgramCache]: Analyzing trace with hash 1007452690, now seen corresponding path program 1 times [2023-11-17 17:22:37,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 17:22:37,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [195881647] [2023-11-17 17:22:37,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 17:22:37,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 17:22:37,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 17:22:53,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 17:22:53,889 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 17:22:53,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [195881647] [2023-11-17 17:22:53,889 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [195881647] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 17:22:53,889 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-17 17:22:53,889 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [60] imperfect sequences [] total 60 [2023-11-17 17:22:53,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154972374] [2023-11-17 17:22:53,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 17:22:53,890 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 61 states [2023-11-17 17:22:53,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 17:22:53,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2023-11-17 17:22:53,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=253, Invalid=3407, Unknown=0, NotChecked=0, Total=3660 [2023-11-17 17:22:53,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:22:53,893 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 17:22:53,894 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 61 states, 60 states have (on average 3.566666666666667) internal successors, (214), 61 states have internal predecessors, (214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-17 17:22:53,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:22:53,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-17 17:22:53,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2023-11-17 17:22:53,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2023-11-17 17:22:53,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2023-11-17 17:22:53,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:23:47,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:23:47,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-17 17:23:47,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2023-11-17 17:23:47,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2023-11-17 17:23:47,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2023-11-17 17:23:47,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2023-11-17 17:23:47,770 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-17 17:23:47,770 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting instrPush2Err0ASSERT_VIOLATIONERROR_FUNCTION === [instrPush2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-17 17:23:47,770 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 17:23:47,770 INFO L85 PathProgramCache]: Analyzing trace with hash 1844307273, now seen corresponding path program 1 times [2023-11-17 17:23:47,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 17:23:47,771 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1446876232] [2023-11-17 17:23:47,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 17:23:47,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 17:23:48,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 17:24:03,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 17:24:03,109 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 17:24:03,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1446876232] [2023-11-17 17:24:03,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1446876232] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 17:24:03,109 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-17 17:24:03,109 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [64] imperfect sequences [] total 64 [2023-11-17 17:24:03,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1127329057] [2023-11-17 17:24:03,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 17:24:03,110 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 65 states [2023-11-17 17:24:03,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 17:24:03,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2023-11-17 17:24:03,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=298, Invalid=3862, Unknown=0, NotChecked=0, Total=4160 [2023-11-17 17:24:03,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:24:03,112 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 17:24:03,112 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 65 states, 64 states have (on average 3.53125) internal successors, (226), 65 states have internal predecessors, (226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-17 17:24:03,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:24:03,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-17 17:24:03,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2023-11-17 17:24:03,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2023-11-17 17:24:03,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2023-11-17 17:24:03,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2023-11-17 17:24:03,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:24:45,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:24:45,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-17 17:24:45,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2023-11-17 17:24:45,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2023-11-17 17:24:45,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2023-11-17 17:24:45,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2023-11-17 17:24:45,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2023-11-17 17:24:45,741 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-17 17:24:45,741 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting instrPush2Err0ASSERT_VIOLATIONERROR_FUNCTION === [instrPush2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-17 17:24:45,742 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 17:24:45,742 INFO L85 PathProgramCache]: Analyzing trace with hash -385600524, now seen corresponding path program 1 times [2023-11-17 17:24:45,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 17:24:45,742 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [111121353] [2023-11-17 17:24:45,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 17:24:45,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 17:24:46,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 17:25:06,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 17:25:06,177 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 17:25:06,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [111121353] [2023-11-17 17:25:06,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [111121353] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 17:25:06,177 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-17 17:25:06,177 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [66] imperfect sequences [] total 66 [2023-11-17 17:25:06,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1890156503] [2023-11-17 17:25:06,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 17:25:06,178 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 67 states [2023-11-17 17:25:06,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 17:25:06,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2023-11-17 17:25:06,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=289, Invalid=4133, Unknown=0, NotChecked=0, Total=4422 [2023-11-17 17:25:06,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:25:06,181 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 17:25:06,181 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 67 states, 66 states have (on average 3.696969696969697) internal successors, (244), 67 states have internal predecessors, (244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-17 17:25:06,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:25:06,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-17 17:25:06,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2023-11-17 17:25:06,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2023-11-17 17:25:06,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2023-11-17 17:25:06,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2023-11-17 17:25:06,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2023-11-17 17:25:06,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Received shutdown request... [2023-11-17 17:25:28,282 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-11-17 17:25:28,283 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-11-17 17:25:29,321 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 [2023-11-17 17:25:29,350 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-17 17:25:29,350 WARN L619 AbstractCegarLoop]: Verification canceled: while executing DepthFirstTraversal. [2023-11-17 17:25:29,352 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location instrPush2Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-17 17:25:29,382 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-17 17:25:29,383 INFO L307 ceAbstractionStarter]: Result for error location instrPush2Thread1of1ForFork2 was TIMEOUT (1/8) [2023-11-17 17:25:29,389 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-17 17:25:29,389 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-17 17:25:29,393 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.11 05:25:29 BasicIcfg [2023-11-17 17:25:29,393 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-17 17:25:29,394 INFO L158 Benchmark]: Toolchain (without parser) took 513863.17ms. Allocated memory was 319.8MB in the beginning and 1.3GB in the end (delta: 953.2MB). Free memory was 261.7MB in the beginning and 565.7MB in the end (delta: -304.0MB). Peak memory consumption was 650.4MB. Max. memory is 8.0GB. [2023-11-17 17:25:29,394 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 209.7MB. Free memory is still 162.9MB. There was no memory consumed. Max. memory is 8.0GB. [2023-11-17 17:25:29,409 INFO L158 Benchmark]: CACSL2BoogieTranslator took 888.10ms. Allocated memory is still 319.8MB. Free memory was 261.4MB in the beginning and 268.4MB in the end (delta: -7.0MB). Peak memory consumption was 39.6MB. Max. memory is 8.0GB. [2023-11-17 17:25:29,409 INFO L158 Benchmark]: Boogie Procedure Inliner took 163.92ms. Allocated memory is still 319.8MB. Free memory was 268.4MB in the beginning and 249.0MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2023-11-17 17:25:29,409 INFO L158 Benchmark]: Boogie Preprocessor took 239.81ms. Allocated memory is still 319.8MB. Free memory was 249.0MB in the beginning and 229.6MB in the end (delta: 19.4MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. [2023-11-17 17:25:29,413 INFO L158 Benchmark]: RCFGBuilder took 5789.46ms. Allocated memory was 319.8MB in the beginning and 727.7MB in the end (delta: 407.9MB). Free memory was 229.6MB in the beginning and 395.6MB in the end (delta: -166.0MB). Peak memory consumption was 255.5MB. Max. memory is 8.0GB. [2023-11-17 17:25:29,413 INFO L158 Benchmark]: TraceAbstraction took 506774.61ms. Allocated memory was 727.7MB in the beginning and 1.3GB in the end (delta: 545.3MB). Free memory was 395.1MB in the beginning and 565.7MB in the end (delta: -170.6MB). Peak memory consumption was 375.2MB. Max. memory is 8.0GB. [2023-11-17 17:25:29,415 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 209.7MB. Free memory is still 162.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 888.10ms. Allocated memory is still 319.8MB. Free memory was 261.4MB in the beginning and 268.4MB in the end (delta: -7.0MB). Peak memory consumption was 39.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 163.92ms. Allocated memory is still 319.8MB. Free memory was 268.4MB in the beginning and 249.0MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * Boogie Preprocessor took 239.81ms. Allocated memory is still 319.8MB. Free memory was 249.0MB in the beginning and 229.6MB in the end (delta: 19.4MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. * RCFGBuilder took 5789.46ms. Allocated memory was 319.8MB in the beginning and 727.7MB in the end (delta: 407.9MB). Free memory was 229.6MB in the beginning and 395.6MB in the end (delta: -166.0MB). Peak memory consumption was 255.5MB. Max. memory is 8.0GB. * TraceAbstraction took 506774.61ms. Allocated memory was 727.7MB in the beginning and 1.3GB in the end (delta: 545.3MB). Free memory was 395.1MB in the beginning and 565.7MB in the end (delta: -170.6MB). Peak memory consumption was 375.2MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 539612, independent: 538362, independent conditional: 17005, independent unconditional: 521357, dependent: 306, dependent conditional: 193, dependent unconditional: 113, unknown: 944, unknown conditional: 695, unknown unconditional: 249] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 539526, independent: 538362, independent conditional: 17005, independent unconditional: 521357, dependent: 220, dependent conditional: 107, dependent unconditional: 113, unknown: 944, unknown conditional: 695, unknown unconditional: 249] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 539526, independent: 538362, independent conditional: 17005, independent unconditional: 521357, dependent: 220, dependent conditional: 107, dependent unconditional: 113, unknown: 944, unknown conditional: 695, unknown unconditional: 249] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 541612, independent: 538362, independent conditional: 273, independent unconditional: 538089, dependent: 626, dependent conditional: 299, dependent unconditional: 327, unknown: 2624, unknown conditional: 1514, unknown unconditional: 1110] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 541612, independent: 538362, independent conditional: 273, independent unconditional: 538089, dependent: 626, dependent conditional: 198, dependent unconditional: 428, unknown: 2624, unknown conditional: 898, unknown unconditional: 1726] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 541612, independent: 538362, independent conditional: 273, independent unconditional: 538089, dependent: 626, dependent conditional: 198, dependent unconditional: 428, unknown: 2624, unknown conditional: 898, unknown unconditional: 1726] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 522070, independent: 521486, independent conditional: 115, independent unconditional: 521371, dependent: 152, dependent conditional: 31, dependent unconditional: 121, unknown: 432, unknown conditional: 171, unknown unconditional: 261] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 522070, independent: 521322, independent conditional: 0, independent unconditional: 521322, dependent: 748, dependent conditional: 0, dependent unconditional: 748, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 748, independent: 164, independent conditional: 115, independent unconditional: 49, dependent: 152, dependent conditional: 31, dependent unconditional: 121, unknown: 432, unknown conditional: 171, unknown unconditional: 261] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 748, independent: 164, independent conditional: 115, independent unconditional: 49, dependent: 152, dependent conditional: 31, dependent unconditional: 121, unknown: 432, unknown conditional: 171, unknown unconditional: 261] , SemanticIndependenceRelation.Query Time [ms]: [ total: 352423, independent: 6374, independent conditional: 5717, independent unconditional: 658, dependent: 5981, dependent conditional: 901, dependent unconditional: 5080, unknown: 340068, unknown conditional: 98315, unknown unconditional: 241753] , Protected Queries: 0 ], Cache Queries: [ total: 541612, independent: 16876, independent conditional: 158, independent unconditional: 16718, dependent: 474, dependent conditional: 167, dependent unconditional: 307, unknown: 524262, unknown conditional: 1044, unknown unconditional: 523218] , Statistics on independence cache: Total cache size (in pairs): 521638, Positive cache size: 521486, Positive conditional cache size: 115, Positive unconditional cache size: 521371, Negative cache size: 152, Negative conditional cache size: 31, Negative unconditional cache size: 121, Unknown cache size: 432, Unknown conditional cache size: 171, Unknown unconditional cache size: 261, Eliminated conditions: 717, Maximal queried relation: 7, Independence queries for same thread: 86 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 248.5s, Number of persistent set computation: 382, Number of trivial persistent sets: 242, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 521719, independent: 521357, independent conditional: 0, independent unconditional: 521357, dependent: 113, dependent conditional: 0, dependent unconditional: 113, unknown: 249, unknown conditional: 0, unknown unconditional: 249] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 539612, independent: 538362, independent conditional: 17005, independent unconditional: 521357, dependent: 306, dependent conditional: 193, dependent unconditional: 113, unknown: 944, unknown conditional: 695, unknown unconditional: 249] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 539526, independent: 538362, independent conditional: 17005, independent unconditional: 521357, dependent: 220, dependent conditional: 107, dependent unconditional: 113, unknown: 944, unknown conditional: 695, unknown unconditional: 249] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 539526, independent: 538362, independent conditional: 17005, independent unconditional: 521357, dependent: 220, dependent conditional: 107, dependent unconditional: 113, unknown: 944, unknown conditional: 695, unknown unconditional: 249] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 541612, independent: 538362, independent conditional: 273, independent unconditional: 538089, dependent: 626, dependent conditional: 299, dependent unconditional: 327, unknown: 2624, unknown conditional: 1514, unknown unconditional: 1110] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 541612, independent: 538362, independent conditional: 273, independent unconditional: 538089, dependent: 626, dependent conditional: 198, dependent unconditional: 428, unknown: 2624, unknown conditional: 898, unknown unconditional: 1726] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 541612, independent: 538362, independent conditional: 273, independent unconditional: 538089, dependent: 626, dependent conditional: 198, dependent unconditional: 428, unknown: 2624, unknown conditional: 898, unknown unconditional: 1726] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 522070, independent: 521486, independent conditional: 115, independent unconditional: 521371, dependent: 152, dependent conditional: 31, dependent unconditional: 121, unknown: 432, unknown conditional: 171, unknown unconditional: 261] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 522070, independent: 521322, independent conditional: 0, independent unconditional: 521322, dependent: 748, dependent conditional: 0, dependent unconditional: 748, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 748, independent: 164, independent conditional: 115, independent unconditional: 49, dependent: 152, dependent conditional: 31, dependent unconditional: 121, unknown: 432, unknown conditional: 171, unknown unconditional: 261] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 748, independent: 164, independent conditional: 115, independent unconditional: 49, dependent: 152, dependent conditional: 31, dependent unconditional: 121, unknown: 432, unknown conditional: 171, unknown unconditional: 261] , SemanticIndependenceRelation.Query Time [ms]: [ total: 352423, independent: 6374, independent conditional: 5717, independent unconditional: 658, dependent: 5981, dependent conditional: 901, dependent unconditional: 5080, unknown: 340068, unknown conditional: 98315, unknown unconditional: 241753] , Protected Queries: 0 ], Cache Queries: [ total: 541612, independent: 16876, independent conditional: 158, independent unconditional: 16718, dependent: 474, dependent conditional: 167, dependent unconditional: 307, unknown: 524262, unknown conditional: 1044, unknown unconditional: 523218] , Statistics on independence cache: Total cache size (in pairs): 521638, Positive cache size: 521486, Positive conditional cache size: 115, Positive unconditional cache size: 521371, Negative cache size: 152, Negative conditional cache size: 31, Negative unconditional cache size: 121, Unknown cache size: 432, Unknown conditional cache size: 171, Unknown unconditional cache size: 261, Eliminated conditions: 717, Maximal queried relation: 7, Independence queries for same thread: 86 - TimeoutResultAtElement [Line: 1543]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while executing DepthFirstTraversal. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: instrPush2Thread1of1ForFork2 with 1 thread instances CFG has 15 procedures, 4670 locations, 21 error locations. Started 1 CEGAR loops. OverallTime: 505.9s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 413.8s, 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: 380, 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: 0.1s SsaConstructionTime, 2.5s SatisfiabilityAnalysisTime, 88.9s InterpolantComputationTime, 1859 NumberOfCodeBlocks, 1859 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 1851 ConstructedInterpolants, 0 QuantifiedInterpolants, 131420 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown