/root/.sdkman/candidates/java/current/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking DFS --traceabstraction.criterion.for.conditional.commutativity.checking FORWARD --traceabstraction.use.limited.checks.recommended.for.dfs true --traceabstraction.limit.for.limited.checks 10 -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe020_pso.oepc_pso.opt_tso.oepc_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-17da818-m [2024-05-07 00:48:06,127 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-07 00:48:06,182 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-05-07 00:48:06,190 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-07 00:48:06,190 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-07 00:48:06,203 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-07 00:48:06,208 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-07 00:48:06,208 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-07 00:48:06,209 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-07 00:48:06,212 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-07 00:48:06,212 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-07 00:48:06,212 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-07 00:48:06,213 INFO L153 SettingsManager]: * Use SBE=true [2024-05-07 00:48:06,214 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-07 00:48:06,214 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-07 00:48:06,214 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-07 00:48:06,215 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-07 00:48:06,215 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-07 00:48:06,215 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-07 00:48:06,215 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-07 00:48:06,215 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-07 00:48:06,216 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-07 00:48:06,216 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-07 00:48:06,216 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-07 00:48:06,216 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-07 00:48:06,216 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-07 00:48:06,217 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-07 00:48:06,217 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-07 00:48:06,217 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-07 00:48:06,217 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-07 00:48:06,218 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-07 00:48:06,219 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-07 00:48:06,219 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-07 00:48:06,219 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-07 00:48:06,219 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-05-07 00:48:06,219 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-05-07 00:48:06,219 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-07 00:48:06,219 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-07 00:48:06,219 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-07 00:48:06,220 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> FORWARD Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: use limited checks (recommended for DFS) -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Limit for limited checks -> 10 [2024-05-07 00:48:06,413 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-07 00:48:06,439 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-07 00:48:06,440 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-07 00:48:06,441 INFO L270 PluginConnector]: Initializing CDTParser... [2024-05-07 00:48:06,442 INFO L274 PluginConnector]: CDTParser initialized [2024-05-07 00:48:06,442 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-wmm/safe020_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2024-05-07 00:48:07,496 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-05-07 00:48:07,654 INFO L384 CDTParser]: Found 1 translation units. [2024-05-07 00:48:07,655 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe020_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2024-05-07 00:48:07,668 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/ec955cd93/c935cfad38cf4d05a1bfb276d536cbfa/FLAG925ccedb2 [2024-05-07 00:48:07,683 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/ec955cd93/c935cfad38cf4d05a1bfb276d536cbfa [2024-05-07 00:48:07,685 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-07 00:48:07,686 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-05-07 00:48:07,687 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-05-07 00:48:07,687 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-05-07 00:48:07,691 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-05-07 00:48:07,692 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.05 12:48:07" (1/1) ... [2024-05-07 00:48:07,692 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24cf7c43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 12:48:07, skipping insertion in model container [2024-05-07 00:48:07,693 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.05 12:48:07" (1/1) ... [2024-05-07 00:48:07,737 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-05-07 00:48:07,862 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe020_pso.oepc_pso.opt_tso.oepc_tso.opt.i[975,988] [2024-05-07 00:48:08,024 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-07 00:48:08,032 INFO L202 MainTranslator]: Completed pre-run [2024-05-07 00:48:08,044 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe020_pso.oepc_pso.opt_tso.oepc_tso.opt.i[975,988] [2024-05-07 00:48:08,077 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-07 00:48:08,111 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2024-05-07 00:48:08,112 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2024-05-07 00:48:08,117 INFO L206 MainTranslator]: Completed translation [2024-05-07 00:48:08,119 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 12:48:08 WrapperNode [2024-05-07 00:48:08,119 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-05-07 00:48:08,120 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-07 00:48:08,120 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-07 00:48:08,120 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-07 00:48:08,126 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 12:48:08" (1/1) ... [2024-05-07 00:48:08,150 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 12:48:08" (1/1) ... [2024-05-07 00:48:08,170 INFO L138 Inliner]: procedures = 176, calls = 53, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 69 [2024-05-07 00:48:08,170 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-07 00:48:08,171 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-07 00:48:08,171 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-07 00:48:08,171 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-07 00:48:08,177 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 12:48:08" (1/1) ... [2024-05-07 00:48:08,177 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 12:48:08" (1/1) ... [2024-05-07 00:48:08,187 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 12:48:08" (1/1) ... [2024-05-07 00:48:08,187 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 12:48:08" (1/1) ... [2024-05-07 00:48:08,195 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 12:48:08" (1/1) ... [2024-05-07 00:48:08,196 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 12:48:08" (1/1) ... [2024-05-07 00:48:08,197 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 12:48:08" (1/1) ... [2024-05-07 00:48:08,198 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 12:48:08" (1/1) ... [2024-05-07 00:48:08,199 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-07 00:48:08,200 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-07 00:48:08,200 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-07 00:48:08,200 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-07 00:48:08,200 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 12:48:08" (1/1) ... [2024-05-07 00:48:08,212 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-07 00:48:08,221 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 00:48:08,234 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) [2024-05-07 00:48:08,252 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 [2024-05-07 00:48:08,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-05-07 00:48:08,277 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-05-07 00:48:08,277 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-05-07 00:48:08,277 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-05-07 00:48:08,277 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-05-07 00:48:08,278 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-05-07 00:48:08,278 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-05-07 00:48:08,278 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-05-07 00:48:08,278 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-05-07 00:48:08,278 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-05-07 00:48:08,279 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-05-07 00:48:08,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-05-07 00:48:08,279 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-05-07 00:48:08,279 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-07 00:48:08,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-07 00:48:08,281 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-05-07 00:48:08,409 INFO L241 CfgBuilder]: Building ICFG [2024-05-07 00:48:08,413 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-07 00:48:08,577 INFO L282 CfgBuilder]: Performing block encoding [2024-05-07 00:48:08,584 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-07 00:48:08,584 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2024-05-07 00:48:08,585 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.05 12:48:08 BoogieIcfgContainer [2024-05-07 00:48:08,586 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-07 00:48:08,587 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-07 00:48:08,587 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-07 00:48:08,590 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-07 00:48:08,590 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.05 12:48:07" (1/3) ... [2024-05-07 00:48:08,591 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27f2cc9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.05 12:48:08, skipping insertion in model container [2024-05-07 00:48:08,591 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 12:48:08" (2/3) ... [2024-05-07 00:48:08,591 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27f2cc9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.05 12:48:08, skipping insertion in model container [2024-05-07 00:48:08,591 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.05 12:48:08" (3/3) ... [2024-05-07 00:48:08,592 INFO L112 eAbstractionObserver]: Analyzing ICFG safe020_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2024-05-07 00:48:08,598 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-07 00:48:08,605 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-07 00:48:08,605 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-05-07 00:48:08,605 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-07 00:48:08,655 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-05-07 00:48:08,684 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-07 00:48:08,684 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-07 00:48:08,684 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 00:48:08,686 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) [2024-05-07 00:48:08,696 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 [2024-05-07 00:48:08,719 INFO L188 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-07 00:48:08,729 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 00:48:08,730 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-05-07 00:48:08,735 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;@33ed5929, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=FORWARD, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=10, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-05-07 00:48:08,735 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-05-07 00:48:08,780 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-07 00:48:08,781 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 00:48:08,781 INFO L85 PathProgramCache]: Analyzing trace with hash -710394983, now seen corresponding path program 1 times [2024-05-07 00:48:08,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 00:48:08,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130141191] [2024-05-07 00:48:08,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 00:48:08,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 00:48:08,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 00:48:09,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 00:48:09,067 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 00:48:09,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2130141191] [2024-05-07 00:48:09,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2130141191] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-07 00:48:09,068 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-07 00:48:09,068 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-05-07 00:48:09,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096433370] [2024-05-07 00:48:09,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-07 00:48:09,073 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-05-07 00:48:09,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 00:48:09,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-05-07 00:48:09,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-05-07 00:48:09,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 00:48:09,091 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 00:48:09,092 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 32.0) internal successors, (64), 2 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-07 00:48:09,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 00:48:09,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 00:48:09,116 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-05-07 00:48:09,116 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-07 00:48:09,117 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 00:48:09,117 INFO L85 PathProgramCache]: Analyzing trace with hash -1253306713, now seen corresponding path program 1 times [2024-05-07 00:48:09,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 00:48:09,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1713700784] [2024-05-07 00:48:09,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 00:48:09,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 00:48:09,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 00:48:09,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 00:48:09,467 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 00:48:09,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1713700784] [2024-05-07 00:48:09,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1713700784] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-07 00:48:09,467 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-07 00:48:09,467 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-07 00:48:09,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588729474] [2024-05-07 00:48:09,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-07 00:48:09,468 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-07 00:48:09,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 00:48:09,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-07 00:48:09,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-07 00:48:09,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 00:48:09,470 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 00:48:09,470 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 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) [2024-05-07 00:48:09,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 00:48:09,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 00:48:09,795 INFO L85 PathProgramCache]: Analyzing trace with hash -269522058, now seen corresponding path program 1 times [2024-05-07 00:48:09,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 00:48:09,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 00:48:09,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 00:48:09,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 00:48:09,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 00:48:09,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 00:48:09,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 00:48:10,137 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 00:48:10,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-05-07 00:48:10,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-05-07 00:48:10,386 INFO L85 PathProgramCache]: Analyzing trace with hash 1464428239, now seen corresponding path program 1 times [2024-05-07 00:48:10,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 00:48:10,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 00:48:10,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 00:48:10,413 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-07 00:48:10,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 00:48:10,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 00:48:10,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-07 00:48:10,467 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,SelfDestructingSolverStorable3,SelfDestructingSolverStorable2,SelfDestructingSolverStorable1 [2024-05-07 00:48:10,467 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-07 00:48:10,468 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 00:48:10,468 INFO L85 PathProgramCache]: Analyzing trace with hash 1753639082, now seen corresponding path program 1 times [2024-05-07 00:48:10,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 00:48:10,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2105823682] [2024-05-07 00:48:10,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 00:48:10,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 00:48:10,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 00:48:10,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 00:48:10,638 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 00:48:10,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2105823682] [2024-05-07 00:48:10,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2105823682] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-07 00:48:10,638 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-07 00:48:10,639 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-05-07 00:48:10,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [982834604] [2024-05-07 00:48:10,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-07 00:48:10,640 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-05-07 00:48:10,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 00:48:10,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-05-07 00:48:10,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-05-07 00:48:10,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 00:48:10,645 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 00:48:10,646 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 7 states have internal predecessors, (69), 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) [2024-05-07 00:48:10,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 00:48:10,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-07 00:48:10,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 00:48:10,777 INFO L85 PathProgramCache]: Analyzing trace with hash 1464428239, now seen corresponding path program 2 times [2024-05-07 00:48:10,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 00:48:10,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 00:48:10,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 00:48:10,791 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-07 00:48:10,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 00:48:10,967 INFO L85 PathProgramCache]: Analyzing trace with hash 1063211621, now seen corresponding path program 1 times [2024-05-07 00:48:10,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 00:48:10,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 00:48:10,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 00:48:10,998 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-07 00:48:11,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 00:48:11,118 INFO L85 PathProgramCache]: Analyzing trace with hash -694626480, now seen corresponding path program 1 times [2024-05-07 00:48:11,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 00:48:11,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 00:48:11,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 00:48:11,131 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-07 00:48:11,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 00:48:11,609 INFO L85 PathProgramCache]: Analyzing trace with hash 1608046665, now seen corresponding path program 3 times [2024-05-07 00:48:11,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 00:48:11,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 00:48:11,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 00:48:11,617 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-07 00:48:11,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 00:48:11,725 INFO L85 PathProgramCache]: Analyzing trace with hash 190402533, now seen corresponding path program 2 times [2024-05-07 00:48:11,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 00:48:11,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 00:48:11,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 00:48:11,733 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-07 00:48:11,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 00:48:11,829 INFO L85 PathProgramCache]: Analyzing trace with hash 6125706, now seen corresponding path program 2 times [2024-05-07 00:48:11,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 00:48:11,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 00:48:11,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 00:48:11,838 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-07 00:48:11,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 00:48:13,145 INFO L85 PathProgramCache]: Analyzing trace with hash -1984925307, now seen corresponding path program 1 times [2024-05-07 00:48:13,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 00:48:13,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 00:48:13,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 00:48:13,153 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-07 00:48:13,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 00:48:13,211 INFO L85 PathProgramCache]: Analyzing trace with hash 1760523005, now seen corresponding path program 1 times [2024-05-07 00:48:13,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 00:48:13,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 00:48:13,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 00:48:13,219 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-07 00:48:13,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 00:48:13,273 INFO L85 PathProgramCache]: Analyzing trace with hash -1605767285, now seen corresponding path program 1 times [2024-05-07 00:48:13,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 00:48:13,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 00:48:13,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 00:48:13,282 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-07 00:48:13,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 00:48:13,327 INFO L85 PathProgramCache]: Analyzing trace with hash 1887948299, now seen corresponding path program 1 times [2024-05-07 00:48:13,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 00:48:13,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 00:48:13,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 00:48:13,336 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-07 00:48:13,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 00:48:13,382 INFO L85 PathProgramCache]: Analyzing trace with hash -908913404, now seen corresponding path program 1 times [2024-05-07 00:48:13,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 00:48:13,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 00:48:13,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 00:48:13,390 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-07 00:48:13,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 00:48:13,421 INFO L85 PathProgramCache]: Analyzing trace with hash -721990113, now seen corresponding path program 1 times [2024-05-07 00:48:13,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 00:48:13,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 00:48:13,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 00:48:13,429 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-07 00:48:13,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 00:48:13,460 INFO L85 PathProgramCache]: Analyzing trace with hash 808034377, now seen corresponding path program 1 times [2024-05-07 00:48:13,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 00:48:13,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 00:48:13,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 00:48:13,467 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-07 00:48:13,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 00:48:13,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 00:48:13,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-07 00:48:13,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-07 00:48:13,514 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,SelfDestructingSolverStorable8,SelfDestructingSolverStorable7,SelfDestructingSolverStorable6,SelfDestructingSolverStorable5,SelfDestructingSolverStorable10,SelfDestructingSolverStorable11,SelfDestructingSolverStorable12,SelfDestructingSolverStorable9,SelfDestructingSolverStorable13,SelfDestructingSolverStorable14,SelfDestructingSolverStorable15,SelfDestructingSolverStorable16,SelfDestructingSolverStorable17 [2024-05-07 00:48:13,514 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-07 00:48:13,514 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 00:48:13,514 INFO L85 PathProgramCache]: Analyzing trace with hash -440152950, now seen corresponding path program 2 times [2024-05-07 00:48:13,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 00:48:13,515 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653855108] [2024-05-07 00:48:13,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 00:48:13,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 00:48:13,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 00:48:13,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 00:48:13,659 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 00:48:13,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1653855108] [2024-05-07 00:48:13,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1653855108] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-07 00:48:13,659 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-07 00:48:13,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-05-07 00:48:13,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114440027] [2024-05-07 00:48:13,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-07 00:48:13,660 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-05-07 00:48:13,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 00:48:13,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-05-07 00:48:13,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-05-07 00:48:13,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 00:48:13,661 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 00:48:13,662 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 7 states have internal predecessors, (69), 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) [2024-05-07 00:48:13,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 00:48:13,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-07 00:48:13,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-07 00:48:13,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 00:48:15,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 00:48:15,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-07 00:48:15,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-07 00:48:15,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-07 00:48:15,110 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2024-05-07 00:48:15,111 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2024-05-07 00:48:15,111 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-05-07 00:48:15,111 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-05-07 00:48:15,111 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-05-07 00:48:15,114 INFO L448 BasicCegarLoop]: Path program histogram: [3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-05-07 00:48:15,116 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-05-07 00:48:15,116 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-05-07 00:48:15,119 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.05 12:48:15 BasicIcfg [2024-05-07 00:48:15,119 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-05-07 00:48:15,119 INFO L158 Benchmark]: Toolchain (without parser) took 7432.94ms. Allocated memory was 173.0MB in the beginning and 416.3MB in the end (delta: 243.3MB). Free memory was 106.6MB in the beginning and 175.8MB in the end (delta: -69.2MB). Peak memory consumption was 174.2MB. Max. memory is 8.0GB. [2024-05-07 00:48:15,119 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 173.0MB. Free memory was 113.7MB in the beginning and 113.5MB in the end (delta: 157.3kB). There was no memory consumed. Max. memory is 8.0GB. [2024-05-07 00:48:15,120 INFO L158 Benchmark]: CACSL2BoogieTranslator took 432.01ms. Allocated memory is still 173.0MB. Free memory was 106.5MB in the beginning and 138.4MB in the end (delta: -32.0MB). Peak memory consumption was 19.0MB. Max. memory is 8.0GB. [2024-05-07 00:48:15,120 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.59ms. Allocated memory is still 173.0MB. Free memory was 138.4MB in the beginning and 136.5MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-05-07 00:48:15,120 INFO L158 Benchmark]: Boogie Preprocessor took 28.31ms. Allocated memory is still 173.0MB. Free memory was 136.5MB in the beginning and 134.9MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-05-07 00:48:15,120 INFO L158 Benchmark]: RCFGBuilder took 385.88ms. Allocated memory is still 173.0MB. Free memory was 134.9MB in the beginning and 120.7MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2024-05-07 00:48:15,121 INFO L158 Benchmark]: TraceAbstraction took 6531.63ms. Allocated memory was 173.0MB in the beginning and 416.3MB in the end (delta: 243.3MB). Free memory was 119.2MB in the beginning and 175.8MB in the end (delta: -56.6MB). Peak memory consumption was 186.6MB. Max. memory is 8.0GB. [2024-05-07 00:48:15,122 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 173.0MB. Free memory was 113.7MB in the beginning and 113.5MB in the end (delta: 157.3kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 432.01ms. Allocated memory is still 173.0MB. Free memory was 106.5MB in the beginning and 138.4MB in the end (delta: -32.0MB). Peak memory consumption was 19.0MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 50.59ms. Allocated memory is still 173.0MB. Free memory was 138.4MB in the beginning and 136.5MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 28.31ms. Allocated memory is still 173.0MB. Free memory was 136.5MB in the beginning and 134.9MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 385.88ms. Allocated memory is still 173.0MB. Free memory was 134.9MB in the beginning and 120.7MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * TraceAbstraction took 6531.63ms. Allocated memory was 173.0MB in the beginning and 416.3MB in the end (delta: 243.3MB). Free memory was 119.2MB in the beginning and 175.8MB in the end (delta: -56.6MB). Peak memory consumption was 186.6MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 107475, independent: 106393, independent conditional: 106197, independent unconditional: 196, dependent: 1082, dependent conditional: 1082, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 107386, independent: 106393, independent conditional: 106197, independent unconditional: 196, dependent: 993, dependent conditional: 993, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 107386, independent: 106393, independent conditional: 106197, independent unconditional: 196, dependent: 993, dependent conditional: 993, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 107386, independent: 106393, independent conditional: 106197, independent unconditional: 196, dependent: 993, dependent conditional: 993, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 109949, independent: 106393, independent conditional: 50532, independent unconditional: 55861, dependent: 3556, dependent conditional: 2564, dependent unconditional: 992, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 109949, independent: 106393, independent conditional: 23935, independent unconditional: 82458, dependent: 3556, dependent conditional: 1211, dependent unconditional: 2345, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 109949, independent: 106393, independent conditional: 23935, independent unconditional: 82458, dependent: 3556, dependent conditional: 1211, dependent unconditional: 2345, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1078, independent: 1057, independent conditional: 213, independent unconditional: 844, dependent: 21, dependent conditional: 10, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1078, independent: 1040, independent conditional: 0, independent unconditional: 1040, dependent: 38, dependent conditional: 0, dependent unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 38, independent: 17, independent conditional: 13, independent unconditional: 4, dependent: 21, dependent conditional: 10, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 38, independent: 17, independent conditional: 13, independent unconditional: 4, dependent: 21, dependent conditional: 10, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 59, independent: 18, independent conditional: 15, independent unconditional: 3, dependent: 41, dependent conditional: 31, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 109949, independent: 105336, independent conditional: 23722, independent unconditional: 81614, dependent: 3535, dependent conditional: 1201, dependent unconditional: 2334, unknown: 1078, unknown conditional: 223, unknown unconditional: 855] , Statistics on independence cache: Total cache size (in pairs): 1078, Positive cache size: 1057, Positive conditional cache size: 213, Positive unconditional cache size: 844, Negative cache size: 21, Negative conditional cache size: 10, Negative unconditional cache size: 11, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 27950, Maximal queried relation: 4, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 109949, independent: 106393, independent conditional: 50532, independent unconditional: 55861, dependent: 3556, dependent conditional: 2564, dependent unconditional: 992, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 109949, independent: 106393, independent conditional: 23935, independent unconditional: 82458, dependent: 3556, dependent conditional: 1211, dependent unconditional: 2345, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 109949, independent: 106393, independent conditional: 23935, independent unconditional: 82458, dependent: 3556, dependent conditional: 1211, dependent unconditional: 2345, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1078, independent: 1057, independent conditional: 213, independent unconditional: 844, dependent: 21, dependent conditional: 10, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1078, independent: 1040, independent conditional: 0, independent unconditional: 1040, dependent: 38, dependent conditional: 0, dependent unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 38, independent: 17, independent conditional: 13, independent unconditional: 4, dependent: 21, dependent conditional: 10, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 38, independent: 17, independent conditional: 13, independent unconditional: 4, dependent: 21, dependent conditional: 10, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 59, independent: 18, independent conditional: 15, independent unconditional: 3, dependent: 41, dependent conditional: 31, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 109949, independent: 105336, independent conditional: 23722, independent unconditional: 81614, dependent: 3535, dependent conditional: 1201, dependent unconditional: 2334, unknown: 1078, unknown conditional: 223, unknown unconditional: 855] , Statistics on independence cache: Total cache size (in pairs): 1078, Positive cache size: 1057, Positive conditional cache size: 213, Positive unconditional cache size: 844, Negative cache size: 21, Negative conditional cache size: 10, Negative unconditional cache size: 11, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 27950 ], Independence queries for same thread: 89 - PositiveResult [Line: 18]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 117 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 6.4s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 5.4s, 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: 25, 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, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 265 NumberOfCodeBlocks, 265 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 261 ConstructedInterpolants, 0 QuantifiedInterpolants, 561 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, ConditionalCommutativityCheckTime: 3.4s, ConditionalCommutativityIAIntegrations: 0, ConditionalCommutativityDFSRestarts: 1, ConditionalCommutativityConditionCalculations: 61, ConditionalCommutativityTraceChecks: 15, ConditionalCommutativityImperfectProofs: 0 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-05-07 00:48:15,143 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2024-05-07 00:48:15,346 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...