/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/goblint-regression/28-race_reach_90-arrayloop2_racing.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.datarace-free-lbe-02cf818-m [2023-11-17 17:43:49,244 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-17 17:43:49,312 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistent.epf [2023-11-17 17:43:49,315 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-17 17:43:49,316 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-17 17:43:49,337 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-17 17:43:49,337 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-17 17:43:49,337 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-17 17:43:49,338 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-17 17:43:49,341 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-17 17:43:49,341 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-17 17:43:49,341 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-17 17:43:49,341 INFO L153 SettingsManager]: * Use SBE=true [2023-11-17 17:43:49,342 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-17 17:43:49,343 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-17 17:43:49,343 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-17 17:43:49,343 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-17 17:43:49,343 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-17 17:43:49,343 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-17 17:43:49,343 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-17 17:43:49,344 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-17 17:43:49,344 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-17 17:43:49,345 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-17 17:43:49,345 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-17 17:43:49,345 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-17 17:43:49,346 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-17 17:43:49,346 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-17 17:43:49,346 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-11-17 17:43:49,346 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-17 17:43:49,346 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-17 17:43:49,347 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-17 17:43:49,347 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-17 17:43:49,347 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-17 17:43:49,347 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-17 17:43:49,347 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-17 17:43:49,347 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-17 17:43:49,348 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-11-17 17:43:49,348 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-17 17:43:49,348 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-11-17 17:43:49,348 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES [2023-11-17 17:43:49,348 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> PSEUDO_LOCKSTEP [2023-11-17 17:43:49,539 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-17 17:43:49,564 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-17 17:43:49,565 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-17 17:43:49,566 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-17 17:43:49,566 INFO L274 PluginConnector]: CDTParser initialized [2023-11-17 17:43:49,567 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_90-arrayloop2_racing.i [2023-11-17 17:43:50,546 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-17 17:43:50,749 INFO L384 CDTParser]: Found 1 translation units. [2023-11-17 17:43:50,749 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_90-arrayloop2_racing.i [2023-11-17 17:43:50,770 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/27e368b45/ec633624ef28439e8031b97d77eb7be7/FLAG971ef74b3 [2023-11-17 17:43:50,783 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/27e368b45/ec633624ef28439e8031b97d77eb7be7 [2023-11-17 17:43:50,785 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-17 17:43:50,787 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-11-17 17:43:50,789 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-17 17:43:50,789 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-17 17:43:50,792 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-17 17:43:50,793 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 05:43:50" (1/1) ... [2023-11-17 17:43:50,793 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4feeb8cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:43:50, skipping insertion in model container [2023-11-17 17:43:50,794 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 05:43:50" (1/1) ... [2023-11-17 17:43:50,842 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-17 17:43:51,171 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_90-arrayloop2_racing.i[47038,47051] [2023-11-17 17:43:51,183 WARN L1588 CHandler]: Possible shadowing of function new [2023-11-17 17:43:51,184 WARN L1588 CHandler]: Possible shadowing of function new [2023-11-17 17:43:51,184 WARN L1588 CHandler]: Possible shadowing of function new [2023-11-17 17:43:51,185 WARN L1588 CHandler]: Possible shadowing of function new [2023-11-17 17:43:51,217 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-17 17:43:51,232 INFO L202 MainTranslator]: Completed pre-run [2023-11-17 17:43:51,261 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_90-arrayloop2_racing.i[47038,47051] [2023-11-17 17:43:51,263 WARN L1588 CHandler]: Possible shadowing of function new [2023-11-17 17:43:51,263 WARN L1588 CHandler]: Possible shadowing of function new [2023-11-17 17:43:51,264 WARN L1588 CHandler]: Possible shadowing of function new [2023-11-17 17:43:51,264 WARN L1588 CHandler]: Possible shadowing of function new [2023-11-17 17:43:51,278 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-17 17:43:51,322 INFO L206 MainTranslator]: Completed translation [2023-11-17 17:43:51,322 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:43:51 WrapperNode [2023-11-17 17:43:51,322 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-17 17:43:51,323 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-17 17:43:51,324 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-17 17:43:51,324 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-17 17:43:51,329 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:43:51" (1/1) ... [2023-11-17 17:43:51,341 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:43:51" (1/1) ... [2023-11-17 17:43:51,362 INFO L138 Inliner]: procedures = 279, calls = 72, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 333 [2023-11-17 17:43:51,363 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-17 17:43:51,363 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-17 17:43:51,363 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-17 17:43:51,364 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-17 17:43:51,370 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:43:51" (1/1) ... [2023-11-17 17:43:51,370 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:43:51" (1/1) ... [2023-11-17 17:43:51,380 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:43:51" (1/1) ... [2023-11-17 17:43:51,380 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:43:51" (1/1) ... [2023-11-17 17:43:51,389 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:43:51" (1/1) ... [2023-11-17 17:43:51,393 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:43:51" (1/1) ... [2023-11-17 17:43:51,395 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:43:51" (1/1) ... [2023-11-17 17:43:51,397 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:43:51" (1/1) ... [2023-11-17 17:43:51,400 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-17 17:43:51,400 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-17 17:43:51,400 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-17 17:43:51,400 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-17 17:43:51,401 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:43:51" (1/1) ... [2023-11-17 17:43:51,405 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-17 17:43:51,415 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 17:43:51,443 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 17:43:51,446 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 17:43:51,487 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-17 17:43:51,488 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-17 17:43:51,488 INFO L130 BoogieDeclarations]: Found specification of procedure t1_fun [2023-11-17 17:43:51,488 INFO L138 BoogieDeclarations]: Found implementation of procedure t1_fun [2023-11-17 17:43:51,488 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-17 17:43:51,488 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-17 17:43:51,488 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-17 17:43:51,488 INFO L130 BoogieDeclarations]: Found specification of procedure t2_fun [2023-11-17 17:43:51,488 INFO L138 BoogieDeclarations]: Found implementation of procedure t2_fun [2023-11-17 17:43:51,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-17 17:43:51,489 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-17 17:43:51,489 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-17 17:43:51,489 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-17 17:43:51,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-17 17:43:51,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-17 17:43:51,489 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-17 17:43:51,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-17 17:43:51,490 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 17:43:51,609 INFO L239 CfgBuilder]: Building ICFG [2023-11-17 17:43:51,612 INFO L265 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-17 17:43:52,007 INFO L280 CfgBuilder]: Performing block encoding [2023-11-17 17:43:52,039 INFO L302 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-17 17:43:52,039 INFO L307 CfgBuilder]: Removed 30 assume(true) statements. [2023-11-17 17:43:52,040 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 05:43:52 BoogieIcfgContainer [2023-11-17 17:43:52,040 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-17 17:43:52,042 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-17 17:43:52,042 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-17 17:43:52,044 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-17 17:43:52,044 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 05:43:50" (1/3) ... [2023-11-17 17:43:52,045 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51a5ad8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 05:43:52, skipping insertion in model container [2023-11-17 17:43:52,045 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:43:51" (2/3) ... [2023-11-17 17:43:52,045 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51a5ad8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 05:43:52, skipping insertion in model container [2023-11-17 17:43:52,045 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 05:43:52" (3/3) ... [2023-11-17 17:43:52,046 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_90-arrayloop2_racing.i [2023-11-17 17:43:52,052 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-17 17:43:52,059 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-17 17:43:52,059 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-17 17:43:52,059 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-17 17:43:52,153 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2023-11-17 17:43:52,198 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-17 17:43:52,199 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-11-17 17:43:52,199 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 17:43:52,201 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 17:43:52,226 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 17:43:52,231 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-11-17 17:43:52,239 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t2_funThread1of1ForFork1 ======== [2023-11-17 17:43:52,243 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;@bca6531, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-17 17:43:52,244 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-17 17:43:57,336 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-17 17:43:57,340 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 17:43:57,340 INFO L85 PathProgramCache]: Analyzing trace with hash 443321281, now seen corresponding path program 1 times [2023-11-17 17:43:57,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 17:43:57,350 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1158932442] [2023-11-17 17:43:57,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 17:43:57,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 17:43:57,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 17:43:57,837 INFO L134 CoverageAnalysis]: Checked inductivity of 478 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 478 trivial. 0 not checked. [2023-11-17 17:43:57,837 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 17:43:57,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1158932442] [2023-11-17 17:43:57,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1158932442] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 17:43:57,838 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-17 17:43:57,838 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-17 17:43:57,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275767787] [2023-11-17 17:43:57,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 17:43:57,858 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-17 17:43:57,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 17:43:57,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-17 17:43:57,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-17 17:43:57,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:43:57,877 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 17:43:57,878 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 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 17:43:57,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:43:58,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 17:43:58,003 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-17 17:43:58,004 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-17 17:43:58,004 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 17:43:58,004 INFO L85 PathProgramCache]: Analyzing trace with hash 1434977642, now seen corresponding path program 1 times [2023-11-17 17:43:58,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 17:43:58,005 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1020085252] [2023-11-17 17:43:58,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 17:43:58,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 17:43:58,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 17:43:58,159 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-17 17:43:58,159 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 17:43:58,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1020085252] [2023-11-17 17:43:58,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1020085252] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 17:43:58,159 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-17 17:43:58,159 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-17 17:43:58,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072437440] [2023-11-17 17:43:58,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 17:43:58,161 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-17 17:43:58,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 17:43:58,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-17 17:43:58,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-17 17:43:58,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:43:58,162 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 17:43:58,162 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.333333333333336) internal successors, (139), 3 states have internal predecessors, (139), 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 17:43:58,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 17:43:58,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:43:58,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 17:43:58,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 17:43:58,202 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-17 17:43:58,203 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-17 17:43:58,203 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 17:43:58,203 INFO L85 PathProgramCache]: Analyzing trace with hash 407841300, now seen corresponding path program 1 times [2023-11-17 17:43:58,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 17:43:58,203 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [41237208] [2023-11-17 17:43:58,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 17:43:58,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 17:43:58,228 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-17 17:43:58,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1634704335] [2023-11-17 17:43:58,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 17:43:58,229 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 17:43:58,229 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 17:43:58,274 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-17 17:43:58,309 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-17 17:43:58,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 17:43:58,476 INFO L262 TraceCheckSpWp]: Trace formula consists of 557 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-17 17:43:58,484 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 17:43:58,577 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-17 17:43:58,577 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-17 17:43:58,641 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-17 17:43:58,642 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 17:43:58,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [41237208] [2023-11-17 17:43:58,642 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-17 17:43:58,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1634704335] [2023-11-17 17:43:58,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1634704335] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-17 17:43:58,643 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-17 17:43:58,643 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2023-11-17 17:43:58,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024657742] [2023-11-17 17:43:58,643 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-17 17:43:58,645 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-17 17:43:58,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 17:43:58,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-17 17:43:58,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2023-11-17 17:43:58,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:43:58,648 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 17:43:58,648 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 26.875) internal successors, (215), 8 states have internal predecessors, (215), 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 17:43:58,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 17:43:58,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 17:43:58,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:43:58,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 17:43:58,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 17:43:58,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-17 17:43:58,749 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-17 17:43:58,948 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2023-11-17 17:43:58,948 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-17 17:43:58,949 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 17:43:58,949 INFO L85 PathProgramCache]: Analyzing trace with hash -495120428, now seen corresponding path program 2 times [2023-11-17 17:43:58,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 17:43:58,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913312511] [2023-11-17 17:43:58,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 17:43:58,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 17:43:59,020 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-17 17:43:59,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1774710685] [2023-11-17 17:43:59,020 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-17 17:43:59,021 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 17:43:59,021 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 17:43:59,022 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-17 17:43:59,050 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-17 17:43:59,251 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-17 17:43:59,252 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-17 17:43:59,255 INFO L262 TraceCheckSpWp]: Trace formula consists of 883 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-17 17:43:59,262 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 17:43:59,383 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 1 proven. 114 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-17 17:43:59,383 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-17 17:43:59,526 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 1 proven. 114 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-17 17:43:59,526 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 17:43:59,526 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [913312511] [2023-11-17 17:43:59,527 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-17 17:43:59,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1774710685] [2023-11-17 17:43:59,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1774710685] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-17 17:43:59,527 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-17 17:43:59,527 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2023-11-17 17:43:59,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [581143713] [2023-11-17 17:43:59,527 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-17 17:43:59,528 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-11-17 17:43:59,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 17:43:59,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-11-17 17:43:59,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2023-11-17 17:43:59,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:43:59,529 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 17:43:59,529 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 22.6875) internal successors, (363), 16 states have internal predecessors, (363), 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 17:43:59,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 17:43:59,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 17:43:59,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-11-17 17:43:59,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:43:59,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 17:43:59,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 17:43:59,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-17 17:43:59,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-11-17 17:43:59,728 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-17 17:43:59,928 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 17:43:59,928 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-17 17:43:59,929 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 17:43:59,929 INFO L85 PathProgramCache]: Analyzing trace with hash 1764641620, now seen corresponding path program 3 times [2023-11-17 17:43:59,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 17:43:59,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [733387594] [2023-11-17 17:43:59,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 17:43:59,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 17:43:59,980 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-17 17:43:59,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1843270122] [2023-11-17 17:43:59,981 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-17 17:43:59,981 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 17:43:59,981 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 17:43:59,985 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-17 17:43:59,987 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-17 17:44:00,250 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2023-11-17 17:44:00,251 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-17 17:44:00,254 INFO L262 TraceCheckSpWp]: Trace formula consists of 394 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-17 17:44:00,258 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 17:44:00,449 INFO L134 CoverageAnalysis]: Checked inductivity of 795 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 794 trivial. 0 not checked. [2023-11-17 17:44:00,450 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-17 17:44:00,662 INFO L134 CoverageAnalysis]: Checked inductivity of 795 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 794 trivial. 0 not checked. [2023-11-17 17:44:00,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 17:44:00,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [733387594] [2023-11-17 17:44:00,662 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-17 17:44:00,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1843270122] [2023-11-17 17:44:00,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1843270122] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-17 17:44:00,662 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-17 17:44:00,663 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2023-11-17 17:44:00,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703354903] [2023-11-17 17:44:00,663 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-17 17:44:00,663 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-17 17:44:00,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 17:44:00,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-17 17:44:00,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2023-11-17 17:44:00,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:44:00,664 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 17:44:00,664 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 28.75) internal successors, (230), 8 states have internal predecessors, (230), 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 17:44:00,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 17:44:00,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 17:44:00,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-11-17 17:44:00,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-11-17 17:44:00,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:44:00,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 17:44:00,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 17:44:00,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-17 17:44:00,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-11-17 17:44:00,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-17 17:44:00,820 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-17 17:44:01,017 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 17:44:01,017 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-17 17:44:01,018 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 17:44:01,018 INFO L85 PathProgramCache]: Analyzing trace with hash -1839547368, now seen corresponding path program 4 times [2023-11-17 17:44:01,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 17:44:01,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1577402599] [2023-11-17 17:44:01,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 17:44:01,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 17:44:01,147 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-17 17:44:01,148 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1778519491] [2023-11-17 17:44:01,148 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-11-17 17:44:01,148 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 17:44:01,148 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 17:44:01,161 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-17 17:44:01,194 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-17 17:44:01,971 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-11-17 17:44:01,971 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-17 17:44:01,986 INFO L262 TraceCheckSpWp]: Trace formula consists of 3565 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-17 17:44:01,996 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 17:44:02,611 INFO L134 CoverageAnalysis]: Checked inductivity of 7891 backedges. 0 proven. 5529 refuted. 0 times theorem prover too weak. 2362 trivial. 0 not checked. [2023-11-17 17:44:02,611 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-17 17:44:03,224 INFO L134 CoverageAnalysis]: Checked inductivity of 7891 backedges. 0 proven. 5529 refuted. 0 times theorem prover too weak. 2362 trivial. 0 not checked. [2023-11-17 17:44:03,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 17:44:03,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1577402599] [2023-11-17 17:44:03,224 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-17 17:44:03,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1778519491] [2023-11-17 17:44:03,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1778519491] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-17 17:44:03,224 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-17 17:44:03,225 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2023-11-17 17:44:03,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103838439] [2023-11-17 17:44:03,225 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-17 17:44:03,226 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-11-17 17:44:03,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 17:44:03,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-11-17 17:44:03,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2023-11-17 17:44:03,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:44:03,228 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 17:44:03,229 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 27.375) internal successors, (438), 16 states have internal predecessors, (438), 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 17:44:03,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 17:44:03,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 17:44:03,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-11-17 17:44:03,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-11-17 17:44:03,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-11-17 17:44:03,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:44:03,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 17:44:03,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 17:44:03,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-17 17:44:03,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-11-17 17:44:03,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-17 17:44:03,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-11-17 17:44:03,463 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-17 17:44:03,655 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 17:44:03,656 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-17 17:44:03,656 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 17:44:03,656 INFO L85 PathProgramCache]: Analyzing trace with hash -492607584, now seen corresponding path program 5 times [2023-11-17 17:44:03,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 17:44:03,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [493350831] [2023-11-17 17:44:03,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 17:44:03,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 17:44:03,873 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-17 17:44:03,874 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [698022550] [2023-11-17 17:44:03,874 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-11-17 17:44:03,874 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 17:44:03,874 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 17:44:03,890 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-17 17:44:03,893 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process Received shutdown request... [2023-11-17 17:53:38,001 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 17:53:38,002 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-11-17 17:53:38,008 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 17:53:39,037 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 17:53:39,054 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2023-11-17 17:53:39,208 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forcibly destroying the process [2023-11-17 17:53:39,236 ERROR L246 FreeRefinementEngine]: Caught known exception: Timeout or Toolchain cancelled by user [2023-11-17 17:53:39,238 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-17 17:53:39,243 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 137 [2023-11-17 17:53:39,243 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 17:53:39,244 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 2050 with TraceHistMax 49,while AutomatonFreeRefinementEngine was Timeout during CAMEL. [2023-11-17 17:53:39,249 INFO L445 BasicCegarLoop]: Path program histogram: [5, 1, 1] [2023-11-17 17:53:39,250 INFO L307 ceAbstractionStarter]: Result for error location t2_funThread1of1ForFork1 was TIMEOUT (1/3) [2023-11-17 17:53:39,252 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-17 17:53:39,252 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-17 17:53:39,254 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.11 05:53:39 BasicIcfg [2023-11-17 17:53:39,254 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-17 17:53:39,254 INFO L158 Benchmark]: Toolchain (without parser) took 588467.23ms. Allocated memory was 222.3MB in the beginning and 351.3MB in the end (delta: 129.0MB). Free memory was 178.9MB in the beginning and 129.3MB in the end (delta: 49.7MB). Peak memory consumption was 179.5MB. Max. memory is 8.0GB. [2023-11-17 17:53:39,254 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 172.0MB. Free memory is still 124.3MB. There was no memory consumed. Max. memory is 8.0GB. [2023-11-17 17:53:39,255 INFO L158 Benchmark]: CACSL2BoogieTranslator took 533.66ms. Allocated memory is still 222.3MB. Free memory was 178.9MB in the beginning and 146.4MB in the end (delta: 32.6MB). Peak memory consumption was 32.5MB. Max. memory is 8.0GB. [2023-11-17 17:53:39,255 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.52ms. Allocated memory is still 222.3MB. Free memory was 146.4MB in the beginning and 143.1MB in the end (delta: 3.3MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-11-17 17:53:39,255 INFO L158 Benchmark]: Boogie Preprocessor took 36.39ms. Allocated memory is still 222.3MB. Free memory was 143.1MB in the beginning and 140.1MB in the end (delta: 3.0MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-11-17 17:53:39,255 INFO L158 Benchmark]: RCFGBuilder took 639.93ms. Allocated memory is still 222.3MB. Free memory was 140.1MB in the beginning and 174.1MB in the end (delta: -33.9MB). Peak memory consumption was 24.1MB. Max. memory is 8.0GB. [2023-11-17 17:53:39,255 INFO L158 Benchmark]: TraceAbstraction took 587211.85ms. Allocated memory was 222.3MB in the beginning and 351.3MB in the end (delta: 129.0MB). Free memory was 173.0MB in the beginning and 129.3MB in the end (delta: 43.8MB). Peak memory consumption was 172.2MB. Max. memory is 8.0GB. [2023-11-17 17:53:39,256 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 172.0MB. Free memory is still 124.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 533.66ms. Allocated memory is still 222.3MB. Free memory was 178.9MB in the beginning and 146.4MB in the end (delta: 32.6MB). Peak memory consumption was 32.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 39.52ms. Allocated memory is still 222.3MB. Free memory was 146.4MB in the beginning and 143.1MB in the end (delta: 3.3MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 36.39ms. Allocated memory is still 222.3MB. Free memory was 143.1MB in the beginning and 140.1MB in the end (delta: 3.0MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 639.93ms. Allocated memory is still 222.3MB. Free memory was 140.1MB in the beginning and 174.1MB in the end (delta: -33.9MB). Peak memory consumption was 24.1MB. Max. memory is 8.0GB. * TraceAbstraction took 587211.85ms. Allocated memory was 222.3MB in the beginning and 351.3MB in the end (delta: 129.0MB). Free memory was 173.0MB in the beginning and 129.3MB in the end (delta: 43.8MB). Peak memory consumption was 172.2MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 41605, independent: 40094, independent conditional: 3614, independent unconditional: 36480, dependent: 1493, dependent conditional: 1372, dependent unconditional: 121, unknown: 18, unknown conditional: 14, unknown unconditional: 4] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 40269, independent: 40094, independent conditional: 3614, independent unconditional: 36480, dependent: 157, dependent conditional: 36, dependent unconditional: 121, unknown: 18, unknown conditional: 14, unknown unconditional: 4] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 40269, independent: 40094, independent conditional: 3614, independent unconditional: 36480, dependent: 157, dependent conditional: 36, dependent unconditional: 121, unknown: 18, unknown conditional: 14, unknown unconditional: 4] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 40311, independent: 40094, independent conditional: 0, independent unconditional: 40094, dependent: 187, dependent conditional: 30, dependent unconditional: 157, unknown: 30, unknown conditional: 12, unknown unconditional: 18] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 40311, independent: 40094, independent conditional: 0, independent unconditional: 40094, dependent: 187, dependent conditional: 0, dependent unconditional: 187, unknown: 30, unknown conditional: 0, unknown unconditional: 30] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 40311, independent: 40094, independent conditional: 0, independent unconditional: 40094, dependent: 187, dependent conditional: 0, dependent unconditional: 187, unknown: 30, unknown conditional: 0, unknown unconditional: 30] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 27043, independent: 26918, independent conditional: 0, independent unconditional: 26918, dependent: 121, dependent conditional: 0, dependent unconditional: 121, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 27043, independent: 26867, independent conditional: 0, independent unconditional: 26867, dependent: 176, dependent conditional: 0, dependent unconditional: 176, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 176, independent: 51, independent conditional: 0, independent unconditional: 51, dependent: 121, dependent conditional: 0, dependent unconditional: 121, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 176, independent: 51, independent conditional: 0, independent unconditional: 51, dependent: 121, dependent conditional: 0, dependent unconditional: 121, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , SemanticIndependenceRelation.Query Time [ms]: [ total: 4781, independent: 159, independent conditional: 0, independent unconditional: 159, dependent: 328, dependent conditional: 0, dependent unconditional: 328, unknown: 4294, unknown conditional: 0, unknown unconditional: 4294] , Protected Queries: 0 ], Cache Queries: [ total: 40311, independent: 13176, independent conditional: 0, independent unconditional: 13176, dependent: 66, dependent conditional: 0, dependent unconditional: 66, unknown: 27069, unknown conditional: 0, unknown unconditional: 27069] , Statistics on independence cache: Total cache size (in pairs): 27039, Positive cache size: 26918, Positive conditional cache size: 0, Positive unconditional cache size: 26918, Negative cache size: 121, Negative conditional cache size: 0, Negative unconditional cache size: 121, Unknown cache size: 4, Unknown conditional cache size: 0, Unknown unconditional cache size: 4, Eliminated conditions: 42, Maximal queried relation: 1, Independence queries for same thread: 1336 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 5.0s, Number of persistent set computation: 523, Number of trivial persistent sets: 326, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 36605, independent: 36480, independent conditional: 0, independent unconditional: 36480, dependent: 121, dependent conditional: 0, dependent unconditional: 121, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 41605, independent: 40094, independent conditional: 3614, independent unconditional: 36480, dependent: 1493, dependent conditional: 1372, dependent unconditional: 121, unknown: 18, unknown conditional: 14, unknown unconditional: 4] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 40269, independent: 40094, independent conditional: 3614, independent unconditional: 36480, dependent: 157, dependent conditional: 36, dependent unconditional: 121, unknown: 18, unknown conditional: 14, unknown unconditional: 4] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 40269, independent: 40094, independent conditional: 3614, independent unconditional: 36480, dependent: 157, dependent conditional: 36, dependent unconditional: 121, unknown: 18, unknown conditional: 14, unknown unconditional: 4] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 40311, independent: 40094, independent conditional: 0, independent unconditional: 40094, dependent: 187, dependent conditional: 30, dependent unconditional: 157, unknown: 30, unknown conditional: 12, unknown unconditional: 18] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 40311, independent: 40094, independent conditional: 0, independent unconditional: 40094, dependent: 187, dependent conditional: 0, dependent unconditional: 187, unknown: 30, unknown conditional: 0, unknown unconditional: 30] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 40311, independent: 40094, independent conditional: 0, independent unconditional: 40094, dependent: 187, dependent conditional: 0, dependent unconditional: 187, unknown: 30, unknown conditional: 0, unknown unconditional: 30] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 27043, independent: 26918, independent conditional: 0, independent unconditional: 26918, dependent: 121, dependent conditional: 0, dependent unconditional: 121, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 27043, independent: 26867, independent conditional: 0, independent unconditional: 26867, dependent: 176, dependent conditional: 0, dependent unconditional: 176, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 176, independent: 51, independent conditional: 0, independent unconditional: 51, dependent: 121, dependent conditional: 0, dependent unconditional: 121, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 176, independent: 51, independent conditional: 0, independent unconditional: 51, dependent: 121, dependent conditional: 0, dependent unconditional: 121, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , SemanticIndependenceRelation.Query Time [ms]: [ total: 4781, independent: 159, independent conditional: 0, independent unconditional: 159, dependent: 328, dependent conditional: 0, dependent unconditional: 328, unknown: 4294, unknown conditional: 0, unknown unconditional: 4294] , Protected Queries: 0 ], Cache Queries: [ total: 40311, independent: 13176, independent conditional: 0, independent unconditional: 13176, dependent: 66, dependent conditional: 0, dependent unconditional: 66, unknown: 27069, unknown conditional: 0, unknown unconditional: 27069] , Statistics on independence cache: Total cache size (in pairs): 27039, Positive cache size: 26918, Positive conditional cache size: 0, Positive unconditional cache size: 26918, Negative cache size: 121, Negative conditional cache size: 0, Negative unconditional cache size: 121, Unknown cache size: 4, Unknown conditional cache size: 0, Unknown unconditional cache size: 4, Eliminated conditions: 42, Maximal queried relation: 1, Independence queries for same thread: 1336 - TimeoutResultAtElement [Line: 999]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 2050 with TraceHistMax 49,while AutomatonFreeRefinementEngine was Timeout during CAMEL. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: t2_funThread1of1ForFork1 with 1 thread instances CFG has 5 procedures, 445 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 587.0s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 5, EmptinessCheckTime: 5.9s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 66, 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: 0.4s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 2177 NumberOfCodeBlocks, 1853 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 3965 ConstructedInterpolants, 0 QuantifiedInterpolants, 8961 SizeOfPredicates, 16 NumberOfNonLiveVariables, 5399 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 10 InterpolantComputations, 2 PerfectInterpolantSequences, 6845/18135 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