/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 SLEEP_SET -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_91-arrayloop2_racefree.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-3774817-m [2024-04-04 05:40:05,977 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-04-04 05:40:06,017 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-04-04 05:40:06,020 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-04-04 05:40:06,020 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-04-04 05:40:06,046 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-04-04 05:40:06,046 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-04-04 05:40:06,046 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-04-04 05:40:06,047 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-04-04 05:40:06,047 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-04-04 05:40:06,048 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-04-04 05:40:06,048 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-04-04 05:40:06,048 INFO L153 SettingsManager]: * Use SBE=true [2024-04-04 05:40:06,048 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-04-04 05:40:06,049 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-04-04 05:40:06,049 INFO L153 SettingsManager]: * sizeof long=4 [2024-04-04 05:40:06,049 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-04-04 05:40:06,049 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-04-04 05:40:06,050 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-04-04 05:40:06,050 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-04-04 05:40:06,050 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-04-04 05:40:06,054 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-04-04 05:40:06,054 INFO L153 SettingsManager]: * sizeof long double=12 [2024-04-04 05:40:06,054 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-04-04 05:40:06,057 INFO L153 SettingsManager]: * Use constant arrays=true [2024-04-04 05:40:06,057 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-04-04 05:40:06,057 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-04-04 05:40:06,058 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-04-04 05:40:06,058 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-04-04 05:40:06,059 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-04 05:40:06,060 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-04-04 05:40:06,060 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-04-04 05:40:06,060 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-04-04 05:40:06,060 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-04-04 05:40:06,060 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-04-04 05:40:06,060 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-04-04 05:40:06,061 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-04-04 05:40:06,061 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-04-04 05:40:06,061 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-04-04 05:40:06,061 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> SLEEP_SET [2024-04-04 05:40:06,279 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-04-04 05:40:06,307 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-04-04 05:40:06,309 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-04-04 05:40:06,310 INFO L270 PluginConnector]: Initializing CDTParser... [2024-04-04 05:40:06,310 INFO L274 PluginConnector]: CDTParser initialized [2024-04-04 05:40:06,311 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_91-arrayloop2_racefree.i [2024-04-04 05:40:07,331 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-04-04 05:40:07,572 INFO L384 CDTParser]: Found 1 translation units. [2024-04-04 05:40:07,573 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_91-arrayloop2_racefree.i [2024-04-04 05:40:07,585 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/e142fb949/1933be09c3734cdf920eb22f2a5980cc/FLAG926bc465d [2024-04-04 05:40:07,596 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/e142fb949/1933be09c3734cdf920eb22f2a5980cc [2024-04-04 05:40:07,597 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-04-04 05:40:07,598 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-04-04 05:40:07,602 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-04-04 05:40:07,602 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-04-04 05:40:07,605 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-04-04 05:40:07,606 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.04 05:40:07" (1/1) ... [2024-04-04 05:40:07,606 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b5faf8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 05:40:07, skipping insertion in model container [2024-04-04 05:40:07,606 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.04 05:40:07" (1/1) ... [2024-04-04 05:40:07,653 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-04-04 05:40:07,950 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_91-arrayloop2_racefree.i[47038,47051] [2024-04-04 05:40:07,966 WARN L1590 CHandler]: Possible shadowing of function new [2024-04-04 05:40:07,966 WARN L1590 CHandler]: Possible shadowing of function new [2024-04-04 05:40:07,966 WARN L1590 CHandler]: Possible shadowing of function new [2024-04-04 05:40:07,967 WARN L1590 CHandler]: Possible shadowing of function new [2024-04-04 05:40:08,001 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-04 05:40:08,018 INFO L202 MainTranslator]: Completed pre-run [2024-04-04 05:40:08,053 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_91-arrayloop2_racefree.i[47038,47051] [2024-04-04 05:40:08,055 WARN L1590 CHandler]: Possible shadowing of function new [2024-04-04 05:40:08,055 WARN L1590 CHandler]: Possible shadowing of function new [2024-04-04 05:40:08,055 WARN L1590 CHandler]: Possible shadowing of function new [2024-04-04 05:40:08,056 WARN L1590 CHandler]: Possible shadowing of function new [2024-04-04 05:40:08,063 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-04 05:40:08,104 INFO L206 MainTranslator]: Completed translation [2024-04-04 05:40:08,104 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 05:40:08 WrapperNode [2024-04-04 05:40:08,104 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-04-04 05:40:08,105 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-04-04 05:40:08,105 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-04-04 05:40:08,105 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-04-04 05:40:08,110 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 05:40:08" (1/1) ... [2024-04-04 05:40:08,122 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 05:40:08" (1/1) ... [2024-04-04 05:40:08,153 INFO L138 Inliner]: procedures = 278, calls = 49, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 199 [2024-04-04 05:40:08,154 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-04-04 05:40:08,154 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-04-04 05:40:08,154 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-04-04 05:40:08,154 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-04-04 05:40:08,162 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 05:40:08" (1/1) ... [2024-04-04 05:40:08,162 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 05:40:08" (1/1) ... [2024-04-04 05:40:08,171 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 05:40:08" (1/1) ... [2024-04-04 05:40:08,171 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 05:40:08" (1/1) ... [2024-04-04 05:40:08,177 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 05:40:08" (1/1) ... [2024-04-04 05:40:08,185 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 05:40:08" (1/1) ... [2024-04-04 05:40:08,186 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 05:40:08" (1/1) ... [2024-04-04 05:40:08,187 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 05:40:08" (1/1) ... [2024-04-04 05:40:08,191 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-04-04 05:40:08,191 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-04-04 05:40:08,191 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-04-04 05:40:08,191 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-04-04 05:40:08,192 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 05:40:08" (1/1) ... [2024-04-04 05:40:08,206 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-04 05:40:08,214 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 05:40:08,226 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) [2024-04-04 05:40:08,233 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 [2024-04-04 05:40:08,269 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-04-04 05:40:08,270 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-04-04 05:40:08,271 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-04-04 05:40:08,271 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-04-04 05:40:08,271 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-04-04 05:40:08,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-04-04 05:40:08,271 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-04-04 05:40:08,271 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-04-04 05:40:08,271 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-04-04 05:40:08,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-04-04 05:40:08,271 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-04-04 05:40:08,272 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-04-04 05:40:08,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-04-04 05:40:08,272 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-04-04 05:40:08,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-04-04 05:40:08,273 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-04-04 05:40:08,421 INFO L241 CfgBuilder]: Building ICFG [2024-04-04 05:40:08,423 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-04-04 05:40:08,693 INFO L282 CfgBuilder]: Performing block encoding [2024-04-04 05:40:08,723 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-04-04 05:40:08,723 INFO L309 CfgBuilder]: Removed 16 assume(true) statements. [2024-04-04 05:40:08,725 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.04 05:40:08 BoogieIcfgContainer [2024-04-04 05:40:08,725 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-04-04 05:40:08,726 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-04-04 05:40:08,726 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-04-04 05:40:08,728 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-04-04 05:40:08,729 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.04 05:40:07" (1/3) ... [2024-04-04 05:40:08,729 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10a0f3b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.04 05:40:08, skipping insertion in model container [2024-04-04 05:40:08,729 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 05:40:08" (2/3) ... [2024-04-04 05:40:08,729 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10a0f3b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.04 05:40:08, skipping insertion in model container [2024-04-04 05:40:08,729 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.04 05:40:08" (3/3) ... [2024-04-04 05:40:08,730 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_91-arrayloop2_racefree.i [2024-04-04 05:40:08,735 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-04-04 05:40:08,742 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-04-04 05:40:08,742 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-04-04 05:40:08,742 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-04-04 05:40:08,803 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-04-04 05:40:08,837 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-04 05:40:08,838 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-04 05:40:08,838 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 05:40:08,840 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) [2024-04-04 05:40:08,844 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 [2024-04-04 05:40:08,867 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-04 05:40:08,875 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 05:40:08,876 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-04 05:40:08,881 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;@42f1bd6d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=SLEEP_SET, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123 [2024-04-04 05:40:08,881 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-04-04 05:40:08,934 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-04-04 05:40:08,935 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 05:40:08,936 INFO L85 PathProgramCache]: Analyzing trace with hash 1594897232, now seen corresponding path program 1 times [2024-04-04 05:40:08,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 05:40:08,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727369143] [2024-04-04 05:40:08,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 05:40:08,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 05:40:09,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 05:40:09,247 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-04-04 05:40:09,247 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 05:40:09,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1727369143] [2024-04-04 05:40:09,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1727369143] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 05:40:09,248 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 05:40:09,248 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-04-04 05:40:09,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2037987553] [2024-04-04 05:40:09,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 05:40:09,253 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-04-04 05:40:09,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 05:40:09,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-04-04 05:40:09,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-04-04 05:40:09,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 05:40:09,280 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 05:40:09,281 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 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) [2024-04-04 05:40:09,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 05:40:09,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 05:40:09,338 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-04-04 05:40:09,338 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-04-04 05:40:09,338 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 05:40:09,338 INFO L85 PathProgramCache]: Analyzing trace with hash 595859788, now seen corresponding path program 1 times [2024-04-04 05:40:09,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 05:40:09,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [60201706] [2024-04-04 05:40:09,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 05:40:09,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 05:40:09,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 05:40:09,420 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-04-04 05:40:09,421 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 05:40:09,421 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [60201706] [2024-04-04 05:40:09,421 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [60201706] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 05:40:09,421 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 05:40:09,421 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-04-04 05:40:09,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633856431] [2024-04-04 05:40:09,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 05:40:09,422 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-04-04 05:40:09,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 05:40:09,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-04-04 05:40:09,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-04-04 05:40:09,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 05:40:09,424 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 05:40:09,424 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 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) [2024-04-04 05:40:09,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 05:40:09,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 05:40:09,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 05:40:09,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 05:40:09,459 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-04-04 05:40:09,459 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-04-04 05:40:09,459 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 05:40:09,459 INFO L85 PathProgramCache]: Analyzing trace with hash -1387885930, now seen corresponding path program 1 times [2024-04-04 05:40:09,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 05:40:09,459 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805758336] [2024-04-04 05:40:09,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 05:40:09,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 05:40:09,484 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2024-04-04 05:40:09,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1349137286] [2024-04-04 05:40:09,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 05:40:09,485 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 05:40:09,485 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 05:40:09,490 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) [2024-04-04 05:40:09,507 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-04-04 05:40:09,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 05:40:09,654 INFO L262 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 4 conjunts are in the unsatisfiable core [2024-04-04 05:40:09,661 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 05:40:09,772 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-04-04 05:40:09,773 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 05:40:09,853 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-04-04 05:40:09,853 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 05:40:09,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805758336] [2024-04-04 05:40:09,854 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-04-04 05:40:09,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1349137286] [2024-04-04 05:40:09,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1349137286] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 05:40:09,854 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-04-04 05:40:09,854 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-04-04 05:40:09,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [809526942] [2024-04-04 05:40:09,855 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-04-04 05:40:09,857 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-04-04 05:40:09,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 05:40:09,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-04-04 05:40:09,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-04-04 05:40:09,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 05:40:09,860 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 05:40:09,860 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 17.0) internal successors, (136), 8 states have internal predecessors, (136), 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) [2024-04-04 05:40:09,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 05:40:09,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 05:40:09,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 05:40:09,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 05:40:09,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 05:40:09,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 05:40:09,955 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-04-04 05:40:10,152 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 [2024-04-04 05:40:10,153 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-04-04 05:40:10,153 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 05:40:10,153 INFO L85 PathProgramCache]: Analyzing trace with hash -1908306858, now seen corresponding path program 2 times [2024-04-04 05:40:10,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 05:40:10,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1747494136] [2024-04-04 05:40:10,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 05:40:10,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 05:40:10,198 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2024-04-04 05:40:10,198 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [709238119] [2024-04-04 05:40:10,198 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-04 05:40:10,198 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 05:40:10,199 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 05:40:10,200 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) [2024-04-04 05:40:10,203 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-04-04 05:40:10,409 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-04 05:40:10,409 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 05:40:10,412 INFO L262 TraceCheckSpWp]: Trace formula consists of 673 conjuncts, 8 conjunts are in the unsatisfiable core [2024-04-04 05:40:10,422 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 05:40:10,561 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 1 proven. 114 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-04-04 05:40:10,561 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 05:40:10,703 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 1 proven. 114 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-04-04 05:40:10,703 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 05:40:10,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1747494136] [2024-04-04 05:40:10,704 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-04-04 05:40:10,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [709238119] [2024-04-04 05:40:10,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [709238119] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 05:40:10,704 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-04-04 05:40:10,704 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2024-04-04 05:40:10,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1684941339] [2024-04-04 05:40:10,704 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-04-04 05:40:10,705 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-04-04 05:40:10,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 05:40:10,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-04-04 05:40:10,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2024-04-04 05:40:10,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 05:40:10,706 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 05:40:10,706 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 17.75) internal successors, (284), 16 states have internal predecessors, (284), 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) [2024-04-04 05:40:10,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 05:40:10,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 05:40:10,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 05:40:10,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 05:40:10,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 05:40:10,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 05:40:10,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 05:40:10,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 05:40:10,866 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-04-04 05:40:11,066 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 [2024-04-04 05:40:11,066 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-04-04 05:40:11,067 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 05:40:11,067 INFO L85 PathProgramCache]: Analyzing trace with hash -812384298, now seen corresponding path program 3 times [2024-04-04 05:40:11,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 05:40:11,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [525108638] [2024-04-04 05:40:11,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 05:40:11,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 05:40:11,112 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2024-04-04 05:40:11,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1450451145] [2024-04-04 05:40:11,113 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-04 05:40:11,113 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 05:40:11,113 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 05:40:11,121 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) [2024-04-04 05:40:11,125 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-04-04 05:40:11,349 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-04-04 05:40:11,349 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 05:40:11,351 INFO L262 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 4 conjunts are in the unsatisfiable core [2024-04-04 05:40:11,355 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 05:40:11,595 INFO L134 CoverageAnalysis]: Checked inductivity of 790 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 789 trivial. 0 not checked. [2024-04-04 05:40:11,596 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 05:40:11,829 INFO L134 CoverageAnalysis]: Checked inductivity of 790 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 789 trivial. 0 not checked. [2024-04-04 05:40:11,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 05:40:11,830 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [525108638] [2024-04-04 05:40:11,830 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-04-04 05:40:11,830 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1450451145] [2024-04-04 05:40:11,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1450451145] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 05:40:11,830 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-04-04 05:40:11,830 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-04-04 05:40:11,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782373516] [2024-04-04 05:40:11,830 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-04-04 05:40:11,831 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-04-04 05:40:11,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 05:40:11,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-04-04 05:40:11,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-04-04 05:40:11,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 05:40:11,832 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 05:40:11,832 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 18.875) internal successors, (151), 8 states have internal predecessors, (151), 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) [2024-04-04 05:40:11,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 05:40:11,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 05:40:11,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 05:40:11,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 05:40:11,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 05:40:11,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 05:40:11,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 05:40:11,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 05:40:11,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 05:40:11,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 05:40:11,911 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-04-04 05:40:12,108 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 [2024-04-04 05:40:12,109 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-04-04 05:40:12,109 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 05:40:12,109 INFO L85 PathProgramCache]: Analyzing trace with hash -1892686636, now seen corresponding path program 4 times [2024-04-04 05:40:12,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 05:40:12,109 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1732543891] [2024-04-04 05:40:12,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 05:40:12,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 05:40:12,216 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2024-04-04 05:40:12,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [227693512] [2024-04-04 05:40:12,216 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-04 05:40:12,216 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 05:40:12,216 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 05:40:12,217 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) [2024-04-04 05:40:12,236 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-04-04 05:40:12,925 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-04 05:40:12,926 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 05:40:12,939 INFO L262 TraceCheckSpWp]: Trace formula consists of 3383 conjuncts, 8 conjunts are in the unsatisfiable core [2024-04-04 05:40:12,949 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 05:40:13,642 INFO L134 CoverageAnalysis]: Checked inductivity of 7886 backedges. 0 proven. 5529 refuted. 0 times theorem prover too weak. 2357 trivial. 0 not checked. [2024-04-04 05:40:13,642 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 05:40:14,329 INFO L134 CoverageAnalysis]: Checked inductivity of 7886 backedges. 0 proven. 5529 refuted. 0 times theorem prover too weak. 2357 trivial. 0 not checked. [2024-04-04 05:40:14,329 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 05:40:14,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1732543891] [2024-04-04 05:40:14,330 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-04-04 05:40:14,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [227693512] [2024-04-04 05:40:14,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [227693512] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 05:40:14,330 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-04-04 05:40:14,330 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2024-04-04 05:40:14,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655157123] [2024-04-04 05:40:14,330 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-04-04 05:40:14,331 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-04-04 05:40:14,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 05:40:14,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-04-04 05:40:14,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2024-04-04 05:40:14,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 05:40:14,332 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 05:40:14,332 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 22.4375) internal successors, (359), 16 states have internal predecessors, (359), 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) [2024-04-04 05:40:14,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 05:40:14,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 05:40:14,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 05:40:14,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 05:40:14,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 05:40:14,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 05:40:14,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 05:40:14,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 05:40:14,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 05:40:14,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 05:40:14,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 05:40:14,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 05:40:14,568 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-04-04 05:40:14,764 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 [2024-04-04 05:40:14,765 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-04-04 05:40:14,765 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 05:40:14,765 INFO L85 PathProgramCache]: Analyzing trace with hash -1049740848, now seen corresponding path program 5 times [2024-04-04 05:40:14,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 05:40:14,765 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947295039] [2024-04-04 05:40:14,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 05:40:14,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 05:40:14,979 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2024-04-04 05:40:14,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1644619665] [2024-04-04 05:40:14,980 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-04-04 05:40:14,980 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 05:40:14,980 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 05:40:14,981 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) [2024-04-04 05:40:15,016 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... [2024-04-04 05:54:53,063 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 [2024-04-04 05:54:53,064 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 [2024-04-04 05:54:53,064 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 [2024-04-04 05:54:54,075 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 [2024-04-04 05:54:54,077 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 [2024-04-04 05:54:54,270 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forcibly destroying the process [2024-04-04 05:54:54,307 ERROR L246 FreeRefinementEngine]: Caught known exception: Timeout or Toolchain cancelled by user [2024-04-04 05:54:54,308 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 137 [2024-04-04 05:54:54,310 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 3 remaining) [2024-04-04 05:54:54,310 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-04-04 05:54:54,310 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 1968 with TraceHistMax 49,while AutomatonFreeRefinementEngine was Timeout during CAMEL. [2024-04-04 05:54:54,311 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 3 remaining) [2024-04-04 05:54:54,311 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 3 remaining) [2024-04-04 05:54:54,314 INFO L445 BasicCegarLoop]: Path program histogram: [5, 1, 1] [2024-04-04 05:54:54,317 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-04-04 05:54:54,317 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-04-04 05:54:54,319 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.04 05:54:54 BasicIcfg [2024-04-04 05:54:54,319 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-04-04 05:54:54,323 INFO L158 Benchmark]: Toolchain (without parser) took 886725.21ms. Allocated memory was 261.1MB in the beginning and 426.8MB in the end (delta: 165.7MB). Free memory was 190.4MB in the beginning and 237.0MB in the end (delta: -46.6MB). Peak memory consumption was 119.7MB. Max. memory is 8.0GB. [2024-04-04 05:54:54,324 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 172.0MB. Free memory is still 145.2MB. There was no memory consumed. Max. memory is 8.0GB. [2024-04-04 05:54:54,324 INFO L158 Benchmark]: CACSL2BoogieTranslator took 502.71ms. Allocated memory is still 261.1MB. Free memory was 190.2MB in the beginning and 212.4MB in the end (delta: -22.2MB). Peak memory consumption was 21.6MB. Max. memory is 8.0GB. [2024-04-04 05:54:54,324 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.81ms. Allocated memory is still 261.1MB. Free memory was 212.4MB in the beginning and 209.3MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2024-04-04 05:54:54,324 INFO L158 Benchmark]: Boogie Preprocessor took 36.79ms. Allocated memory is still 261.1MB. Free memory was 209.3MB in the beginning and 207.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-04-04 05:54:54,324 INFO L158 Benchmark]: RCFGBuilder took 533.40ms. Allocated memory is still 261.1MB. Free memory was 207.2MB in the beginning and 182.5MB in the end (delta: 24.6MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB. [2024-04-04 05:54:54,325 INFO L158 Benchmark]: TraceAbstraction took 885596.87ms. Allocated memory was 261.1MB in the beginning and 426.8MB in the end (delta: 165.7MB). Free memory was 181.5MB in the beginning and 237.0MB in the end (delta: -55.5MB). Peak memory consumption was 109.6MB. Max. memory is 8.0GB. [2024-04-04 05:54:54,325 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 172.0MB. Free memory is still 145.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 502.71ms. Allocated memory is still 261.1MB. Free memory was 190.2MB in the beginning and 212.4MB in the end (delta: -22.2MB). Peak memory consumption was 21.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 48.81ms. Allocated memory is still 261.1MB. Free memory was 212.4MB in the beginning and 209.3MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 36.79ms. Allocated memory is still 261.1MB. Free memory was 209.3MB in the beginning and 207.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 533.40ms. Allocated memory is still 261.1MB. Free memory was 207.2MB in the beginning and 182.5MB in the end (delta: 24.6MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB. * TraceAbstraction took 885596.87ms. Allocated memory was 261.1MB in the beginning and 426.8MB in the end (delta: 165.7MB). Free memory was 181.5MB in the beginning and 237.0MB in the end (delta: -55.5MB). Peak memory consumption was 109.6MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 873, independent: 567, independent conditional: 422, independent unconditional: 145, dependent: 306, dependent conditional: 217, dependent unconditional: 89, 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: 141, independent: 141, independent conditional: 0, independent unconditional: 141, 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: 141, independent: 141, independent conditional: 0, independent unconditional: 141, 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: 426, independent conditional: 0, independent unconditional: 426, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 141, unknown conditional: 0, unknown unconditional: 141] , Statistics on independence cache: Total cache size (in pairs): 141, Positive cache size: 141, Positive conditional cache size: 0, Positive unconditional cache size: 141, 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: 141, independent: 141, independent conditional: 0, independent unconditional: 141, 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: 141, independent: 141, independent conditional: 0, independent unconditional: 141, 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: 426, independent conditional: 0, independent unconditional: 426, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 141, unknown conditional: 0, unknown unconditional: 141] , Statistics on independence cache: Total cache size (in pairs): 141, Positive cache size: 141, Positive conditional cache size: 0, Positive unconditional cache size: 141, 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: 306 - TimeoutResultAtElement [Line: 1061]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PartialOrderCegarLoop was analyzing trace of length 1968 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 1968 with TraceHistMax 49,while AutomatonFreeRefinementEngine was Timeout during CAMEL. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 260 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 885.5s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 5, EmptinessCheckTime: 0.7s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 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: 0.3s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 1595 NumberOfCodeBlocks, 1278 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 3055 ConstructedInterpolants, 0 QuantifiedInterpolants, 8051 SizeOfPredicates, 16 NumberOfNonLiveVariables, 4587 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