/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 DEFAULT --traceabstraction.use.limited.checks.recommended.for.dfs true --traceabstraction.limit.for.limited.checks 2 -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_93-evilcollapse_racefree.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-3774817-m [2024-04-05 11:08:22,181 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-04-05 11:08:22,222 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-04-05 11:08:22,225 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-04-05 11:08:22,225 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-04-05 11:08:22,242 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-04-05 11:08:22,242 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-04-05 11:08:22,242 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-04-05 11:08:22,243 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-04-05 11:08:22,243 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-04-05 11:08:22,243 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-04-05 11:08:22,244 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-04-05 11:08:22,244 INFO L153 SettingsManager]: * Use SBE=true [2024-04-05 11:08:22,244 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-04-05 11:08:22,244 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-04-05 11:08:22,245 INFO L153 SettingsManager]: * sizeof long=4 [2024-04-05 11:08:22,245 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-04-05 11:08:22,245 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-04-05 11:08:22,245 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-04-05 11:08:22,246 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-04-05 11:08:22,246 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-04-05 11:08:22,249 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-04-05 11:08:22,250 INFO L153 SettingsManager]: * sizeof long double=12 [2024-04-05 11:08:22,250 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-04-05 11:08:22,253 INFO L153 SettingsManager]: * Use constant arrays=true [2024-04-05 11:08:22,253 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-04-05 11:08:22,253 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-04-05 11:08:22,254 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-04-05 11:08:22,254 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-04-05 11:08:22,255 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-05 11:08:22,256 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-04-05 11:08:22,256 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-04-05 11:08:22,256 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-04-05 11:08:22,256 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-04-05 11:08:22,256 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-04-05 11:08:22,256 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-04-05 11:08:22,256 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-04-05 11:08:22,256 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-04-05 11:08:22,257 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-04-05 11:08:22,257 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> DEFAULT Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: use limited checks (recommended for DFS) -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Limit for limited checks -> 2 [2024-04-05 11:08:22,477 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-04-05 11:08:22,499 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-04-05 11:08:22,501 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-04-05 11:08:22,502 INFO L270 PluginConnector]: Initializing CDTParser... [2024-04-05 11:08:22,502 INFO L274 PluginConnector]: CDTParser initialized [2024-04-05 11:08:22,503 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_93-evilcollapse_racefree.i [2024-04-05 11:08:23,534 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-04-05 11:08:23,732 INFO L384 CDTParser]: Found 1 translation units. [2024-04-05 11:08:23,733 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_93-evilcollapse_racefree.i [2024-04-05 11:08:23,747 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/1ac38300a/ccc64f9516ab420b981f71988d9df297/FLAGc02accd66 [2024-04-05 11:08:23,757 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/1ac38300a/ccc64f9516ab420b981f71988d9df297 [2024-04-05 11:08:23,759 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-04-05 11:08:23,760 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-04-05 11:08:23,761 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-04-05 11:08:23,761 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-04-05 11:08:23,765 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-04-05 11:08:23,765 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.04 11:08:23" (1/1) ... [2024-04-05 11:08:23,766 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e0473b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 11:08:23, skipping insertion in model container [2024-04-05 11:08:23,766 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.04 11:08:23" (1/1) ... [2024-04-05 11:08:23,808 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-04-05 11:08:24,113 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_93-evilcollapse_racefree.i[47038,47051] [2024-04-05 11:08:24,127 WARN L1590 CHandler]: Possible shadowing of function new [2024-04-05 11:08:24,128 WARN L1590 CHandler]: Possible shadowing of function new [2024-04-05 11:08:24,128 WARN L1590 CHandler]: Possible shadowing of function new [2024-04-05 11:08:24,129 WARN L1590 CHandler]: Possible shadowing of function new [2024-04-05 11:08:24,168 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-05 11:08:24,185 INFO L202 MainTranslator]: Completed pre-run [2024-04-05 11:08:24,224 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_93-evilcollapse_racefree.i[47038,47051] [2024-04-05 11:08:24,226 WARN L1590 CHandler]: Possible shadowing of function new [2024-04-05 11:08:24,226 WARN L1590 CHandler]: Possible shadowing of function new [2024-04-05 11:08:24,227 WARN L1590 CHandler]: Possible shadowing of function new [2024-04-05 11:08:24,227 WARN L1590 CHandler]: Possible shadowing of function new [2024-04-05 11:08:24,235 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-05 11:08:24,273 INFO L206 MainTranslator]: Completed translation [2024-04-05 11:08:24,273 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 11:08:24 WrapperNode [2024-04-05 11:08:24,273 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-04-05 11:08:24,274 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-04-05 11:08:24,274 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-04-05 11:08:24,274 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-04-05 11:08:24,288 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 11:08:24" (1/1) ... [2024-04-05 11:08:24,302 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 11:08:24" (1/1) ... [2024-04-05 11:08:24,324 INFO L138 Inliner]: procedures = 280, calls = 55, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 243 [2024-04-05 11:08:24,324 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-04-05 11:08:24,325 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-04-05 11:08:24,325 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-04-05 11:08:24,325 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-04-05 11:08:24,332 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 11:08:24" (1/1) ... [2024-04-05 11:08:24,333 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 11:08:24" (1/1) ... [2024-04-05 11:08:24,336 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 11:08:24" (1/1) ... [2024-04-05 11:08:24,336 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 11:08:24" (1/1) ... [2024-04-05 11:08:24,358 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 11:08:24" (1/1) ... [2024-04-05 11:08:24,361 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 11:08:24" (1/1) ... [2024-04-05 11:08:24,363 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 11:08:24" (1/1) ... [2024-04-05 11:08:24,364 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 11:08:24" (1/1) ... [2024-04-05 11:08:24,367 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-04-05 11:08:24,368 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-04-05 11:08:24,368 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-04-05 11:08:24,368 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-04-05 11:08:24,368 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 11:08:24" (1/1) ... [2024-04-05 11:08:24,389 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-05 11:08:24,415 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 11:08:24,430 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) [2024-04-05 11:08:24,438 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 [2024-04-05 11:08:24,478 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-04-05 11:08:24,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-04-05 11:08:24,480 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-04-05 11:08:24,480 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-04-05 11:08:24,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-04-05 11:08:24,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-04-05 11:08:24,480 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-04-05 11:08:24,480 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-04-05 11:08:24,481 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-04-05 11:08:24,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-04-05 11:08:24,481 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-04-05 11:08:24,481 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-04-05 11:08:24,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-04-05 11:08:24,481 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-04-05 11:08:24,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-04-05 11:08:24,482 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-04-05 11:08:24,639 INFO L241 CfgBuilder]: Building ICFG [2024-04-05 11:08:24,640 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-04-05 11:08:25,151 INFO L282 CfgBuilder]: Performing block encoding [2024-04-05 11:08:25,170 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-04-05 11:08:25,170 INFO L309 CfgBuilder]: Removed 16 assume(true) statements. [2024-04-05 11:08:25,171 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.04 11:08:25 BoogieIcfgContainer [2024-04-05 11:08:25,172 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-04-05 11:08:25,173 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-04-05 11:08:25,173 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-04-05 11:08:25,176 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-04-05 11:08:25,176 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.04 11:08:23" (1/3) ... [2024-04-05 11:08:25,176 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5aa0d183 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.04 11:08:25, skipping insertion in model container [2024-04-05 11:08:25,176 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 11:08:24" (2/3) ... [2024-04-05 11:08:25,176 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5aa0d183 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.04 11:08:25, skipping insertion in model container [2024-04-05 11:08:25,177 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.04 11:08:25" (3/3) ... [2024-04-05 11:08:25,177 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_93-evilcollapse_racefree.i [2024-04-05 11:08:25,183 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-04-05 11:08:25,191 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-04-05 11:08:25,191 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-04-05 11:08:25,191 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-04-05 11:08:25,246 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-04-05 11:08:25,280 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-05 11:08:25,280 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-05 11:08:25,280 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 11:08:25,282 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) [2024-04-05 11:08:25,295 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 [2024-04-05 11:08:25,319 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-05 11:08:25,338 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 11:08:25,339 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-05 11:08:25,346 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;@4f5d037b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=DEFAULT, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=2, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123 [2024-04-05 11:08:25,346 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-04-05 11:08:25,482 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-04-05 11:08:25,486 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 11:08:25,487 INFO L85 PathProgramCache]: Analyzing trace with hash 1986412387, now seen corresponding path program 1 times [2024-04-05 11:08:25,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 11:08:25,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [414843814] [2024-04-05 11:08:25,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 11:08:25,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 11:08:25,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 11:08:25,791 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-04-05 11:08:25,791 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 11:08:25,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [414843814] [2024-04-05 11:08:25,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [414843814] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-05 11:08:25,792 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-05 11:08:25,792 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-04-05 11:08:25,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102543769] [2024-04-05 11:08:25,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-05 11:08:25,800 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-04-05 11:08:25,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 11:08:25,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-04-05 11:08:25,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-04-05 11:08:25,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 11:08:25,824 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 11:08:25,826 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 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) [2024-04-05 11:08:25,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 11:08:25,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-05 11:08:25,921 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-04-05 11:08:25,921 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-04-05 11:08:25,921 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 11:08:25,921 INFO L85 PathProgramCache]: Analyzing trace with hash 1718999539, now seen corresponding path program 1 times [2024-04-05 11:08:25,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 11:08:25,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [179894562] [2024-04-05 11:08:25,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 11:08:25,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 11:08:25,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 11:08:26,071 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-04-05 11:08:26,071 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 11:08:26,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [179894562] [2024-04-05 11:08:26,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [179894562] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-05 11:08:26,072 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-05 11:08:26,072 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-04-05 11:08:26,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [894975593] [2024-04-05 11:08:26,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-05 11:08:26,073 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-04-05 11:08:26,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 11:08:26,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-04-05 11:08:26,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-04-05 11:08:26,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 11:08:26,074 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 11:08:26,074 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 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) [2024-04-05 11:08:26,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-05 11:08:26,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 11:08:26,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-05 11:08:26,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-05 11:08:26,129 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-04-05 11:08:26,130 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-04-05 11:08:26,131 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 11:08:26,131 INFO L85 PathProgramCache]: Analyzing trace with hash 275950417, now seen corresponding path program 1 times [2024-04-05 11:08:26,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 11:08:26,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517154671] [2024-04-05 11:08:26,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 11:08:26,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 11:08:26,170 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2024-04-05 11:08:26,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [185587660] [2024-04-05 11:08:26,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 11:08:26,171 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 11:08:26,171 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 11:08:26,202 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 11:08:26,229 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-04-05 11:08:26,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 11:08:26,395 INFO L262 TraceCheckSpWp]: Trace formula consists of 402 conjuncts, 4 conjunts are in the unsatisfiable core [2024-04-05 11:08:26,405 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 11:08:26,509 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-04-05 11:08:26,509 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 11:08:26,577 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-04-05 11:08:26,577 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 11:08:26,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517154671] [2024-04-05 11:08:26,578 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-04-05 11:08:26,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [185587660] [2024-04-05 11:08:26,578 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [185587660] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 11:08:26,578 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-04-05 11:08:26,578 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-04-05 11:08:26,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495746849] [2024-04-05 11:08:26,579 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-04-05 11:08:26,580 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-04-05 11:08:26,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 11:08:26,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-04-05 11:08:26,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-04-05 11:08:26,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 11:08:26,583 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 11:08:26,584 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 21.0) internal successors, (168), 8 states have internal predecessors, (168), 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) [2024-04-05 11:08:26,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-05 11:08:26,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-05 11:08:26,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 11:08:26,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-05 11:08:26,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-05 11:08:26,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-05 11:08:26,662 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-04-05 11:08:26,859 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2024-04-05 11:08:26,860 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-04-05 11:08:26,860 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 11:08:26,861 INFO L85 PathProgramCache]: Analyzing trace with hash 201408657, now seen corresponding path program 2 times [2024-04-05 11:08:26,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 11:08:26,861 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1853797322] [2024-04-05 11:08:26,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 11:08:26,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 11:08:26,910 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2024-04-05 11:08:26,911 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1832167774] [2024-04-05 11:08:26,914 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-05 11:08:26,915 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 11:08:26,915 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 11:08:26,916 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 11:08:26,932 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-04-05 11:08:27,130 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-05 11:08:27,131 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 11:08:27,134 INFO L262 TraceCheckSpWp]: Trace formula consists of 728 conjuncts, 8 conjunts are in the unsatisfiable core [2024-04-05 11:08:27,145 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 11:08:27,273 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 1 proven. 114 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-04-05 11:08:27,274 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 11:08:27,417 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 1 proven. 114 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-04-05 11:08:27,418 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 11:08:27,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1853797322] [2024-04-05 11:08:27,418 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-04-05 11:08:27,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1832167774] [2024-04-05 11:08:27,418 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1832167774] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 11:08:27,418 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-04-05 11:08:27,418 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2024-04-05 11:08:27,418 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882496383] [2024-04-05 11:08:27,419 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-04-05 11:08:27,419 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-04-05 11:08:27,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 11:08:27,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-04-05 11:08:27,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2024-04-05 11:08:27,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 11:08:27,420 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 11:08:27,421 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 19.75) internal successors, (316), 16 states have internal predecessors, (316), 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) [2024-04-05 11:08:27,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-05 11:08:27,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-05 11:08:27,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-05 11:08:27,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 11:08:27,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-05 11:08:27,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-05 11:08:27,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-05 11:08:27,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-05 11:08:27,604 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-04-05 11:08:27,800 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 11:08:27,800 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-04-05 11:08:27,801 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 11:08:27,801 INFO L85 PathProgramCache]: Analyzing trace with hash 1637333777, now seen corresponding path program 3 times [2024-04-05 11:08:27,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 11:08:27,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668612340] [2024-04-05 11:08:27,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 11:08:27,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 11:08:27,849 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2024-04-05 11:08:27,850 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1734146304] [2024-04-05 11:08:27,850 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-05 11:08:27,850 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 11:08:27,850 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 11:08:27,851 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 11:08:27,878 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-04-05 11:08:28,060 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-04-05 11:08:28,061 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 11:08:28,063 INFO L262 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 4 conjunts are in the unsatisfiable core [2024-04-05 11:08:28,070 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 11:08:28,298 INFO L134 CoverageAnalysis]: Checked inductivity of 790 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 789 trivial. 0 not checked. [2024-04-05 11:08:28,298 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 11:08:28,553 INFO L134 CoverageAnalysis]: Checked inductivity of 790 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 789 trivial. 0 not checked. [2024-04-05 11:08:28,554 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 11:08:28,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668612340] [2024-04-05 11:08:28,554 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-04-05 11:08:28,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1734146304] [2024-04-05 11:08:28,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1734146304] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 11:08:28,554 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-04-05 11:08:28,554 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-04-05 11:08:28,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593621514] [2024-04-05 11:08:28,554 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-04-05 11:08:28,555 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-04-05 11:08:28,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 11:08:28,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-04-05 11:08:28,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-04-05 11:08:28,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 11:08:28,556 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 11:08:28,556 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 22.875) internal successors, (183), 8 states have internal predecessors, (183), 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) [2024-04-05 11:08:28,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-05 11:08:28,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-05 11:08:28,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-05 11:08:28,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-05 11:08:28,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 11:08:28,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-05 11:08:28,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-05 11:08:28,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-05 11:08:28,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-05 11:08:28,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-05 11:08:28,640 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-04-05 11:08:28,840 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 11:08:28,841 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-04-05 11:08:28,841 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 11:08:28,841 INFO L85 PathProgramCache]: Analyzing trace with hash -33126383, now seen corresponding path program 4 times [2024-04-05 11:08:28,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 11:08:28,841 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1407240528] [2024-04-05 11:08:28,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 11:08:28,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 11:08:28,995 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2024-04-05 11:08:28,996 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [658963819] [2024-04-05 11:08:28,996 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-05 11:08:28,996 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 11:08:28,996 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 11:08:28,997 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 11:08:29,019 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-04-05 11:08:29,752 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-05 11:08:29,752 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 11:08:29,769 INFO L262 TraceCheckSpWp]: Trace formula consists of 3434 conjuncts, 8 conjunts are in the unsatisfiable core [2024-04-05 11:08:29,779 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 11:08:30,503 INFO L134 CoverageAnalysis]: Checked inductivity of 7886 backedges. 0 proven. 5529 refuted. 0 times theorem prover too weak. 2357 trivial. 0 not checked. [2024-04-05 11:08:30,504 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 11:08:31,134 INFO L134 CoverageAnalysis]: Checked inductivity of 7886 backedges. 0 proven. 5529 refuted. 0 times theorem prover too weak. 2357 trivial. 0 not checked. [2024-04-05 11:08:31,134 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 11:08:31,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1407240528] [2024-04-05 11:08:31,134 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-04-05 11:08:31,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [658963819] [2024-04-05 11:08:31,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [658963819] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 11:08:31,135 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-04-05 11:08:31,135 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2024-04-05 11:08:31,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879476052] [2024-04-05 11:08:31,135 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-04-05 11:08:31,136 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-04-05 11:08:31,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 11:08:31,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-04-05 11:08:31,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2024-04-05 11:08:31,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 11:08:31,137 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 11:08:31,138 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 24.4375) internal successors, (391), 16 states have internal predecessors, (391), 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) [2024-04-05 11:08:31,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-05 11:08:31,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-05 11:08:31,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-05 11:08:31,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-05 11:08:31,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-05 11:08:31,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 11:08:31,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-05 11:08:31,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-05 11:08:31,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-05 11:08:31,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-05 11:08:31,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-05 11:08:31,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-05 11:08:31,413 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-04-05 11:08:31,609 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-04-05 11:08:31,609 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-04-05 11:08:31,610 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 11:08:31,610 INFO L85 PathProgramCache]: Analyzing trace with hash -1334009327, now seen corresponding path program 5 times [2024-04-05 11:08:31,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 11:08:31,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1086765853] [2024-04-05 11:08:31,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 11:08:31,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 11:08:31,839 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2024-04-05 11:08:31,839 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2117684309] [2024-04-05 11:08:31,839 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-04-05 11:08:31,839 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 11:08:31,839 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 11:08:31,840 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 11:08:31,845 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process Received shutdown request... [2024-04-05 11:23:09,111 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 [2024-04-05 11:23:09,111 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 [2024-04-05 11:23:09,111 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-05 11:23:10,121 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-04-05 11:23:10,122 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 [2024-04-05 11:23:10,317 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forcibly destroying the process [2024-04-05 11:23:10,347 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 137 [2024-04-05 11:23:10,348 ERROR L246 FreeRefinementEngine]: Caught known exception: Timeout or Toolchain cancelled by user [2024-04-05 11:23:10,350 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 3 remaining) [2024-04-05 11:23:10,350 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-04-05 11:23:10,351 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 2000 with TraceHistMax 49,while AutomatonFreeRefinementEngine was Timeout during CAMEL. [2024-04-05 11:23:10,352 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 3 remaining) [2024-04-05 11:23:10,352 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 3 remaining) [2024-04-05 11:23:10,354 INFO L445 BasicCegarLoop]: Path program histogram: [5, 1, 1] [2024-04-05 11:23:10,358 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-04-05 11:23:10,358 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-04-05 11:23:10,360 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.04 11:23:10 BasicIcfg [2024-04-05 11:23:10,360 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-04-05 11:23:10,360 INFO L158 Benchmark]: Toolchain (without parser) took 886600.47ms. Allocated memory was 289.4MB in the beginning and 372.2MB in the end (delta: 82.8MB). Free memory was 221.4MB in the beginning and 188.4MB in the end (delta: 32.9MB). Peak memory consumption was 117.3MB. Max. memory is 8.0GB. [2024-04-05 11:23:10,360 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 162.5MB. Free memory is still 132.6MB. There was no memory consumed. Max. memory is 8.0GB. [2024-04-05 11:23:10,361 INFO L158 Benchmark]: CACSL2BoogieTranslator took 512.44ms. Allocated memory is still 289.4MB. Free memory was 221.0MB in the beginning and 189.1MB in the end (delta: 31.9MB). Peak memory consumption was 31.5MB. Max. memory is 8.0GB. [2024-04-05 11:23:10,361 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.59ms. Allocated memory is still 289.4MB. Free memory was 189.1MB in the beginning and 185.8MB in the end (delta: 3.3MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2024-04-05 11:23:10,361 INFO L158 Benchmark]: Boogie Preprocessor took 42.15ms. Allocated memory is still 289.4MB. Free memory was 185.8MB in the beginning and 183.3MB in the end (delta: 2.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2024-04-05 11:23:10,361 INFO L158 Benchmark]: RCFGBuilder took 803.92ms. Allocated memory is still 289.4MB. Free memory was 183.3MB in the beginning and 245.0MB in the end (delta: -61.7MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. [2024-04-05 11:23:10,361 INFO L158 Benchmark]: TraceAbstraction took 885186.70ms. Allocated memory was 289.4MB in the beginning and 372.2MB in the end (delta: 82.8MB). Free memory was 243.9MB in the beginning and 188.4MB in the end (delta: 55.5MB). Peak memory consumption was 139.4MB. Max. memory is 8.0GB. [2024-04-05 11:23:10,362 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 162.5MB. Free memory is still 132.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 512.44ms. Allocated memory is still 289.4MB. Free memory was 221.0MB in the beginning and 189.1MB in the end (delta: 31.9MB). Peak memory consumption was 31.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 50.59ms. Allocated memory is still 289.4MB. Free memory was 189.1MB in the beginning and 185.8MB in the end (delta: 3.3MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 42.15ms. Allocated memory is still 289.4MB. Free memory was 185.8MB in the beginning and 183.3MB in the end (delta: 2.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 803.92ms. Allocated memory is still 289.4MB. Free memory was 183.3MB in the beginning and 245.0MB in the end (delta: -61.7MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. * TraceAbstraction took 885186.70ms. Allocated memory was 289.4MB in the beginning and 372.2MB in the end (delta: 82.8MB). Free memory was 243.9MB in the beginning and 188.4MB in the end (delta: 55.5MB). Peak memory consumption was 139.4MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 915, independent: 567, independent conditional: 422, independent unconditional: 145, dependent: 348, dependent conditional: 245, dependent unconditional: 103, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 567, independent: 567, independent conditional: 422, independent unconditional: 145, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 567, independent: 567, independent conditional: 422, independent unconditional: 145, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 567, independent: 567, independent conditional: 422, independent unconditional: 145, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 567, independent: 567, independent conditional: 0, independent unconditional: 567, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 567, independent: 567, independent conditional: 0, independent unconditional: 567, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 567, independent: 567, independent conditional: 0, independent unconditional: 567, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 121, independent: 121, independent conditional: 0, independent unconditional: 121, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 121, independent: 121, independent conditional: 0, independent unconditional: 121, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 567, independent: 446, independent conditional: 0, independent unconditional: 446, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 121, unknown conditional: 0, unknown unconditional: 121] , Statistics on independence cache: Total cache size (in pairs): 121, Positive cache size: 121, Positive conditional cache size: 0, Positive unconditional cache size: 121, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 567, independent: 567, independent conditional: 0, independent unconditional: 567, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 567, independent: 567, independent conditional: 0, independent unconditional: 567, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 567, independent: 567, independent conditional: 0, independent unconditional: 567, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 121, independent: 121, independent conditional: 0, independent unconditional: 121, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 121, independent: 121, independent conditional: 0, independent unconditional: 121, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 567, independent: 446, independent conditional: 0, independent unconditional: 446, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 121, unknown conditional: 0, unknown unconditional: 121] , Statistics on independence cache: Total cache size (in pairs): 121, Positive cache size: 121, Positive conditional cache size: 0, Positive unconditional cache size: 121, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0 ], Independence queries for same thread: 348 - TimeoutResultAtElement [Line: 1082]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PartialOrderCegarLoop was analyzing trace of length 2000 with TraceHistMax 49,while AutomatonFreeRefinementEngine was Timeout during CAMEL. - TimeoutResultAtElement [Line: 999]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 2000 with TraceHistMax 49,while AutomatonFreeRefinementEngine was Timeout during CAMEL. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 318 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 885.1s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 5, EmptinessCheckTime: 0.9s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 66, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 1788 NumberOfCodeBlocks, 1469 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 3376 ConstructedInterpolants, 0 QuantifiedInterpolants, 8372 SizeOfPredicates, 16 NumberOfNonLiveVariables, 4803 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 10 InterpolantComputations, 2 PerfectInterpolantSequences, 6327/17617 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