/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 --traceabstraction.prune.known.deadend.states.from.previous.iterations false -s ../../../trunk/examples/settings/gemcutter/DynamicStratifiedAbstractions.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_ERROR_LOCATION -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe018_power.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.dynamic-abstractions-57af04c-m [2024-01-25 22:32:38,100 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-25 22:32:38,178 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/settings/gemcutter/DynamicStratifiedAbstractions.epf [2024-01-25 22:32:38,184 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-25 22:32:38,184 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-25 22:32:38,185 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-01-25 22:32:38,211 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-25 22:32:38,212 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-25 22:32:38,212 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-25 22:32:38,215 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-25 22:32:38,216 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-25 22:32:38,216 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-25 22:32:38,217 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-25 22:32:38,218 INFO L153 SettingsManager]: * Use SBE=true [2024-01-25 22:32:38,218 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-25 22:32:38,218 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-25 22:32:38,218 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-25 22:32:38,218 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-01-25 22:32:38,219 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-25 22:32:38,219 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-25 22:32:38,219 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-25 22:32:38,219 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-25 22:32:38,220 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-25 22:32:38,220 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-25 22:32:38,220 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-25 22:32:38,220 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-25 22:32:38,221 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-25 22:32:38,221 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-25 22:32:38,221 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-01-25 22:32:38,221 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-25 22:32:38,222 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-01-25 22:32:38,222 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-25 22:32:38,222 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-25 22:32:38,222 INFO L153 SettingsManager]: * Abstraction for dynamic stratified reduction=VARIABLES_GLOBAL [2024-01-25 22:32:38,223 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2024-01-25 22:32:38,223 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-01-25 22:32:38,223 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-01-25 22:32:38,223 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-25 22:32:38,223 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-01-25 22:32:38,223 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-25 22:32:38,223 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=DYNAMIC_ABSTRACTIONS [2024-01-25 22:32:38,224 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Prune known deadend states from previous iterations -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION [2024-01-25 22:32:38,436 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-25 22:32:38,460 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-25 22:32:38,462 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-25 22:32:38,463 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-25 22:32:38,463 INFO L274 PluginConnector]: CDTParser initialized [2024-01-25 22:32:38,464 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-wmm/safe018_power.oepc.i [2024-01-25 22:32:39,524 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-25 22:32:39,747 INFO L384 CDTParser]: Found 1 translation units. [2024-01-25 22:32:39,748 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe018_power.oepc.i [2024-01-25 22:32:39,760 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/dc1d86175/9a1eaeb725824f51ad267934961fdf78/FLAG2842813b0 [2024-01-25 22:32:39,774 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/dc1d86175/9a1eaeb725824f51ad267934961fdf78 [2024-01-25 22:32:39,776 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-25 22:32:39,777 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-01-25 22:32:39,780 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-25 22:32:39,780 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-25 22:32:39,783 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-25 22:32:39,784 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.01 10:32:39" (1/1) ... [2024-01-25 22:32:39,785 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@452ddb27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 10:32:39, skipping insertion in model container [2024-01-25 22:32:39,785 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.01 10:32:39" (1/1) ... [2024-01-25 22:32:39,825 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-01-25 22:32:39,949 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe018_power.oepc.i[995,1008] [2024-01-25 22:32:40,150 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-25 22:32:40,162 INFO L202 MainTranslator]: Completed pre-run [2024-01-25 22:32:40,172 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe018_power.oepc.i[995,1008] [2024-01-25 22:32:40,227 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-25 22:32:40,261 INFO L206 MainTranslator]: Completed translation [2024-01-25 22:32:40,261 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 10:32:40 WrapperNode [2024-01-25 22:32:40,261 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-25 22:32:40,262 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-01-25 22:32:40,263 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-01-25 22:32:40,263 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-01-25 22:32:40,269 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 10:32:40" (1/1) ... [2024-01-25 22:32:40,296 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 10:32:40" (1/1) ... [2024-01-25 22:32:40,329 INFO L138 Inliner]: procedures = 176, calls = 67, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 136 [2024-01-25 22:32:40,330 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-01-25 22:32:40,330 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-01-25 22:32:40,331 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-01-25 22:32:40,331 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-01-25 22:32:40,338 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 10:32:40" (1/1) ... [2024-01-25 22:32:40,338 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 10:32:40" (1/1) ... [2024-01-25 22:32:40,356 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 10:32:40" (1/1) ... [2024-01-25 22:32:40,357 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 10:32:40" (1/1) ... [2024-01-25 22:32:40,367 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 10:32:40" (1/1) ... [2024-01-25 22:32:40,369 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 10:32:40" (1/1) ... [2024-01-25 22:32:40,371 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 10:32:40" (1/1) ... [2024-01-25 22:32:40,372 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 10:32:40" (1/1) ... [2024-01-25 22:32:40,375 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-01-25 22:32:40,392 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-01-25 22:32:40,392 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-01-25 22:32:40,393 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-01-25 22:32:40,393 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 10:32:40" (1/1) ... [2024-01-25 22:32:40,401 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-01-25 22:32:40,409 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-25 22:32:40,420 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-01-25 22:32:40,447 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-01-25 22:32:40,454 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-01-25 22:32:40,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-01-25 22:32:40,454 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-01-25 22:32:40,454 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-01-25 22:32:40,454 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-01-25 22:32:40,454 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-01-25 22:32:40,455 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-01-25 22:32:40,455 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-01-25 22:32:40,455 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-01-25 22:32:40,455 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-01-25 22:32:40,456 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-01-25 22:32:40,456 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-01-25 22:32:40,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-01-25 22:32:40,457 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-01-25 22:32:40,457 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-01-25 22:32:40,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-01-25 22:32:40,458 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-01-25 22:32:40,638 INFO L241 CfgBuilder]: Building ICFG [2024-01-25 22:32:40,640 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-01-25 22:32:40,938 INFO L282 CfgBuilder]: Performing block encoding [2024-01-25 22:32:41,152 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-01-25 22:32:41,153 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2024-01-25 22:32:41,153 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.01 10:32:41 BoogieIcfgContainer [2024-01-25 22:32:41,153 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-01-25 22:32:41,155 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-01-25 22:32:41,155 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-01-25 22:32:41,157 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-01-25 22:32:41,158 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.01 10:32:39" (1/3) ... [2024-01-25 22:32:41,159 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c18fe4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.01 10:32:41, skipping insertion in model container [2024-01-25 22:32:41,159 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 10:32:40" (2/3) ... [2024-01-25 22:32:41,159 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c18fe4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.01 10:32:41, skipping insertion in model container [2024-01-25 22:32:41,160 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.01 10:32:41" (3/3) ... [2024-01-25 22:32:41,161 INFO L112 eAbstractionObserver]: Analyzing ICFG safe018_power.oepc.i [2024-01-25 22:32:41,169 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-01-25 22:32:41,176 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-01-25 22:32:41,177 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-01-25 22:32:41,177 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-01-25 22:32:41,263 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-01-25 22:32:41,309 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-25 22:32:41,310 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-01-25 22:32:41,310 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-25 22:32:41,313 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-01-25 22:32:41,323 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-01-25 22:32:41,383 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-01-25 22:32:41,393 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ======== [2024-01-25 22:32:41,400 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=LoopsAndPotentialCycles, 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;@4c96228a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-25 22:32:41,400 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. Found a loop, use abstraction hammer [2024-01-25 22:32:41,456 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-25 22:32:41,460 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-25 22:32:41,460 INFO L85 PathProgramCache]: Analyzing trace with hash 1072555380, now seen corresponding path program 1 times [2024-01-25 22:32:41,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-25 22:32:41,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [873633683] [2024-01-25 22:32:41,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-25 22:32:41,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-25 22:32:41,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-25 22:32:41,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-25 22:32:41,734 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-25 22:32:41,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [873633683] [2024-01-25 22:32:41,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [873633683] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-25 22:32:41,735 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-25 22:32:41,735 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-01-25 22:32:41,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248558055] [2024-01-25 22:32:41,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-25 22:32:41,742 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-01-25 22:32:41,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-25 22:32:41,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-01-25 22:32:41,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-01-25 22:32:41,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-25 22:32:41,763 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-25 22:32:41,765 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 44.5) internal successors, (89), 2 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-25 22:32:41,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-25 22:33:07,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-25 22:33:07,863 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-01-25 22:33:07,864 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-25 22:33:07,864 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-25 22:33:07,864 INFO L85 PathProgramCache]: Analyzing trace with hash 1014080248, now seen corresponding path program 1 times [2024-01-25 22:33:07,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-25 22:33:07,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327364614] [2024-01-25 22:33:07,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-25 22:33:07,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-25 22:33:07,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-25 22:33:08,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-25 22:33:08,307 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-25 22:33:08,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1327364614] [2024-01-25 22:33:08,307 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1327364614] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-25 22:33:08,308 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-25 22:33:08,308 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-01-25 22:33:08,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1069476860] [2024-01-25 22:33:08,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-25 22:33:08,309 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-01-25 22:33:08,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-25 22:33:08,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-01-25 22:33:08,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-01-25 22:33:08,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-25 22:33:08,310 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-25 22:33:08,311 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 6 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-25 22:33:08,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-25 22:33:08,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-25 22:38:09,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-25 22:38:09,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-01-25 22:38:09,820 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-01-25 22:38:09,820 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-25 22:38:09,820 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-25 22:38:09,820 INFO L85 PathProgramCache]: Analyzing trace with hash 1685127619, now seen corresponding path program 1 times [2024-01-25 22:38:09,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-25 22:38:09,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1587115580] [2024-01-25 22:38:09,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-25 22:38:09,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-25 22:38:09,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-25 22:38:11,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-25 22:38:11,907 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-25 22:38:11,908 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1587115580] [2024-01-25 22:38:11,908 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1587115580] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-25 22:38:11,909 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-25 22:38:11,909 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2024-01-25 22:38:11,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249701006] [2024-01-25 22:38:11,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-25 22:38:11,910 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-01-25 22:38:11,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-25 22:38:11,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-01-25 22:38:11,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=237, Unknown=0, NotChecked=0, Total=306 [2024-01-25 22:38:11,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-25 22:38:11,912 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-25 22:38:11,913 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 5.722222222222222) internal successors, (103), 18 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-25 22:38:11,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-25 22:38:11,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-01-25 22:38:11,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-25 22:43:21,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-25 22:43:21,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-01-25 22:43:21,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-01-25 22:43:21,664 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-01-25 22:43:21,664 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-25 22:43:21,664 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-25 22:43:21,664 INFO L85 PathProgramCache]: Analyzing trace with hash -1724182272, now seen corresponding path program 1 times [2024-01-25 22:43:21,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-25 22:43:21,665 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1900836503] [2024-01-25 22:43:21,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-25 22:43:21,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-25 22:43:21,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-25 22:43:22,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-25 22:43:22,007 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-25 22:43:22,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1900836503] [2024-01-25 22:43:22,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1900836503] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-25 22:43:22,012 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-25 22:43:22,012 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-01-25 22:43:22,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492068912] [2024-01-25 22:43:22,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-25 22:43:22,014 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-01-25 22:43:22,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-25 22:43:22,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-01-25 22:43:22,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-01-25 22:43:22,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-25 22:43:22,016 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-25 22:43:22,017 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.333333333333332) internal successors, (104), 6 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-25 22:43:22,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-25 22:43:22,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-01-25 22:43:22,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-01-25 22:43:22,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Received shutdown request... [2024-01-25 22:46:46,271 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-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 [2024-01-25 22:46:46,274 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-01-25 22:46:46,333 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-01-25 22:46:46,333 WARN L619 AbstractCegarLoop]: Verification canceled: while PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ATOM-1 context. [2024-01-25 22:46:46,335 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-01-25 22:46:46,404 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-01-25 22:46:46,405 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION was TIMEOUT (1/4) [2024-01-25 22:46:46,406 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-01-25 22:46:46,406 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-01-25 22:46:46,408 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.01 10:46:46 BasicIcfg [2024-01-25 22:46:46,408 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-01-25 22:46:46,409 INFO L158 Benchmark]: Toolchain (without parser) took 846631.74ms. Allocated memory was 221.2MB in the beginning and 2.8GB in the end (delta: 2.5GB). Free memory was 165.8MB in the beginning and 1.9GB in the end (delta: -1.7GB). Peak memory consumption was 2.2GB. Max. memory is 8.0GB. [2024-01-25 22:46:46,409 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 221.2MB. Free memory is still 168.8MB. There was no memory consumed. Max. memory is 8.0GB. [2024-01-25 22:46:46,409 INFO L158 Benchmark]: CACSL2BoogieTranslator took 482.17ms. Allocated memory is still 221.2MB. Free memory was 165.4MB in the beginning and 141.2MB in the end (delta: 24.2MB). Peak memory consumption was 24.1MB. Max. memory is 8.0GB. [2024-01-25 22:46:46,410 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.37ms. Allocated memory is still 221.2MB. Free memory was 141.2MB in the beginning and 138.9MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-01-25 22:46:46,410 INFO L158 Benchmark]: Boogie Preprocessor took 45.37ms. Allocated memory is still 221.2MB. Free memory was 138.9MB in the beginning and 136.7MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-01-25 22:46:46,410 INFO L158 Benchmark]: RCFGBuilder took 761.04ms. Allocated memory was 221.2MB in the beginning and 367.0MB in the end (delta: 145.8MB). Free memory was 136.7MB in the beginning and 274.8MB in the end (delta: -138.1MB). Peak memory consumption was 18.6MB. Max. memory is 8.0GB. [2024-01-25 22:46:46,411 INFO L158 Benchmark]: TraceAbstraction took 845253.62ms. Allocated memory was 367.0MB in the beginning and 2.8GB in the end (delta: 2.4GB). Free memory was 273.7MB in the beginning and 1.9GB in the end (delta: -1.6GB). Peak memory consumption was 2.2GB. Max. memory is 8.0GB. [2024-01-25 22:46:46,412 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 221.2MB. Free memory is still 168.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 482.17ms. Allocated memory is still 221.2MB. Free memory was 165.4MB in the beginning and 141.2MB in the end (delta: 24.2MB). Peak memory consumption was 24.1MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 67.37ms. Allocated memory is still 221.2MB. Free memory was 141.2MB in the beginning and 138.9MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 45.37ms. Allocated memory is still 221.2MB. Free memory was 138.9MB in the beginning and 136.7MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 761.04ms. Allocated memory was 221.2MB in the beginning and 367.0MB in the end (delta: 145.8MB). Free memory was 136.7MB in the beginning and 274.8MB in the end (delta: -138.1MB). Peak memory consumption was 18.6MB. Max. memory is 8.0GB. * TraceAbstraction took 845253.62ms. Allocated memory was 367.0MB in the beginning and 2.8GB in the end (delta: 2.4GB). Free memory was 273.7MB in the beginning and 1.9GB in the end (delta: -1.6GB). Peak memory consumption was 2.2GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 54844, independent: 54527, independent conditional: 54527, independent unconditional: 0, dependent: 184, dependent conditional: 184, dependent unconditional: 0, unknown: 133, unknown conditional: 133, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 54841, independent: 54527, independent conditional: 54527, independent unconditional: 0, dependent: 181, dependent conditional: 181, dependent unconditional: 0, unknown: 133, unknown conditional: 133, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 54841, independent: 54527, independent conditional: 54527, independent unconditional: 0, dependent: 181, dependent conditional: 181, dependent unconditional: 0, unknown: 133, unknown conditional: 133, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 55712, independent: 54527, independent conditional: 0, independent unconditional: 54527, dependent: 694, dependent conditional: 513, dependent unconditional: 181, unknown: 491, unknown conditional: 358, unknown unconditional: 133] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 55712, independent: 54527, independent conditional: 0, independent unconditional: 54527, dependent: 694, dependent conditional: 0, dependent unconditional: 694, unknown: 491, unknown conditional: 0, unknown unconditional: 491] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 55712, independent: 54527, independent conditional: 0, independent unconditional: 54527, dependent: 694, dependent conditional: 0, dependent unconditional: 694, unknown: 491, unknown conditional: 0, unknown unconditional: 491] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 54841, independent: 54527, independent conditional: 0, independent unconditional: 54527, dependent: 181, dependent conditional: 0, dependent unconditional: 181, unknown: 133, unknown conditional: 0, unknown unconditional: 133] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 54841, independent: 54382, independent conditional: 0, independent unconditional: 54382, dependent: 459, dependent conditional: 0, dependent unconditional: 459, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 459, independent: 145, independent conditional: 0, independent unconditional: 145, dependent: 181, dependent conditional: 0, dependent unconditional: 181, unknown: 133, unknown conditional: 0, unknown unconditional: 133] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 459, independent: 145, independent conditional: 0, independent unconditional: 145, dependent: 181, dependent conditional: 0, dependent unconditional: 181, unknown: 133, unknown conditional: 0, unknown unconditional: 133] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 459, independent: 145, independent conditional: 0, independent unconditional: 145, dependent: 181, dependent conditional: 0, dependent unconditional: 181, unknown: 133, unknown conditional: 0, unknown unconditional: 133] , SemanticIndependenceRelation.Query Time [ms]: [ total: 5726, independent: 130, independent conditional: 0, independent unconditional: 130, dependent: 906, dependent conditional: 0, dependent unconditional: 906, unknown: 4690, unknown conditional: 0, unknown unconditional: 4690] , Protected Queries: 0 ], Cache Queries: [ total: 55712, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 513, dependent conditional: 0, dependent unconditional: 513, unknown: 55199, unknown conditional: 0, unknown unconditional: 55199] , Statistics on independence cache: Total cache size (in pairs): 54708, Positive cache size: 54527, Positive conditional cache size: 0, Positive unconditional cache size: 54527, Negative cache size: 181, Negative conditional cache size: 0, Negative unconditional cache size: 181, Unknown cache size: 133, Unknown conditional cache size: 0, Unknown unconditional cache size: 133, Eliminated conditions: 871, Maximal queried relation: 4, Independence queries for same thread: 3 - StatisticsResult: Proof manager benchmarks IrresponsibleProofs: 3, RedundantProofs: 2, ProvenStates: 14, Times there's more than one choice: 6, Avg number of choices: 1.7857142857142858 - StatisticsResult: Reduction benchmarks 309.7s Time before loop, 0.0s Time in loop, 309.7s Time in total, Has Loop: false, Protected Variables: [ULTIMATE.start___VERIFIER_assert_~expression#1, ~y$w_buff1_used~0, ~__unbuffered_p2_EAX~0, ~__unbuffered_p0_EAX$read_delayed_var~0.offset, ~__unbuffered_p0_EAX$read_delayed~0, ~__unbuffered_p0_EAX~0, ~__unbuffered_p0_EAX$read_delayed_var~0.base, ~y$r_buff0_thd0~0, ~y$w_buff0_used~0, #valid, ~#y~0.base, ~#y~0.offset, ULTIMATE.start___VERIFIER_assert_#in~expression#1, #memory_int, ULTIMATE.start_main_~#t2201~0#1.base, ULTIMATE.start_main_~#t2202~0#1.base, ~main$tmp_guard1~0, ULTIMATE.start_main_~#t2203~0#1.base], Protected Variables before encountering a loop: [ULTIMATE.start___VERIFIER_assert_~expression#1, ~y$w_buff1_used~0, ~__unbuffered_p2_EAX~0, ~__unbuffered_p0_EAX$read_delayed_var~0.offset, ~__unbuffered_p0_EAX$read_delayed~0, ~__unbuffered_p0_EAX~0, ~__unbuffered_p0_EAX$read_delayed_var~0.base, ~y$r_buff0_thd0~0, ~y$w_buff0_used~0, #valid, ~#y~0.base, ~#y~0.offset, ULTIMATE.start___VERIFIER_assert_#in~expression#1, #memory_int, ULTIMATE.start_main_~#t2201~0#1.base, ULTIMATE.start_main_~#t2202~0#1.base, ~main$tmp_guard1~0, ULTIMATE.start_main_~#t2203~0#1.base] - TimeoutResultAtElement [Line: 19]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ATOM-1 context. - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION with 1 thread instances CFG has 7 procedures, 153 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 845.0s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 841.7s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 40, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 384 NumberOfCodeBlocks, 384 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 380 ConstructedInterpolants, 0 QuantifiedInterpolants, 2022 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown