/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 IA --traceabstraction.criterion.for.conditional.commutativity.checking RANDOM --traceabstraction.probability.for.random.criterion 20 --traceabstraction.seed.for.random.criterion 546 -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_90-arrayloop2_racing.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-3774817-m [2024-04-04 22:48:57,417 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-04-04 22:48:57,468 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-04-04 22:48:57,470 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-04-04 22:48:57,471 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-04-04 22:48:57,482 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-04-04 22:48:57,482 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-04-04 22:48:57,483 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-04-04 22:48:57,483 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-04-04 22:48:57,483 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-04-04 22:48:57,483 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-04-04 22:48:57,484 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-04-04 22:48:57,484 INFO L153 SettingsManager]: * Use SBE=true [2024-04-04 22:48:57,484 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-04-04 22:48:57,484 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-04-04 22:48:57,485 INFO L153 SettingsManager]: * sizeof long=4 [2024-04-04 22:48:57,485 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-04-04 22:48:57,485 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-04-04 22:48:57,485 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-04-04 22:48:57,486 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-04-04 22:48:57,486 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-04-04 22:48:57,486 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-04-04 22:48:57,486 INFO L153 SettingsManager]: * sizeof long double=12 [2024-04-04 22:48:57,487 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-04-04 22:48:57,487 INFO L153 SettingsManager]: * Use constant arrays=true [2024-04-04 22:48:57,487 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-04-04 22:48:57,487 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-04-04 22:48:57,487 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-04-04 22:48:57,488 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-04-04 22:48:57,488 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-04 22:48:57,488 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-04-04 22:48:57,488 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-04-04 22:48:57,489 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-04-04 22:48:57,489 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-04-04 22:48:57,489 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-04-04 22:48:57,489 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-04-04 22:48:57,489 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-04-04 22:48:57,489 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-04-04 22:48:57,490 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-04-04 22:48:57,490 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> IA Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> RANDOM Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: probability for random criterion as percentage -> 20 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: seed for random criterion -> 546 [2024-04-04 22:48:57,644 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-04-04 22:48:57,659 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-04-04 22:48:57,661 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-04-04 22:48:57,663 INFO L270 PluginConnector]: Initializing CDTParser... [2024-04-04 22:48:57,663 INFO L274 PluginConnector]: CDTParser initialized [2024-04-04 22:48:57,664 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_90-arrayloop2_racing.i [2024-04-04 22:48:58,648 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-04-04 22:48:58,851 INFO L384 CDTParser]: Found 1 translation units. [2024-04-04 22:48:58,851 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_90-arrayloop2_racing.i [2024-04-04 22:48:58,869 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/1a453ebc6/7e04fb09955647c3b9fd38da24727648/FLAGa3efad1ea [2024-04-04 22:48:58,878 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/1a453ebc6/7e04fb09955647c3b9fd38da24727648 [2024-04-04 22:48:58,880 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-04-04 22:48:58,881 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-04-04 22:48:58,881 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-04-04 22:48:58,881 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-04-04 22:48:58,888 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-04-04 22:48:58,889 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.04 10:48:58" (1/1) ... [2024-04-04 22:48:58,889 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ceed5de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 10:48:58, skipping insertion in model container [2024-04-04 22:48:58,889 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.04 10:48:58" (1/1) ... [2024-04-04 22:48:58,935 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-04-04 22:48:59,232 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_90-arrayloop2_racing.i[47038,47051] [2024-04-04 22:48:59,245 WARN L1590 CHandler]: Possible shadowing of function new [2024-04-04 22:48:59,246 WARN L1590 CHandler]: Possible shadowing of function new [2024-04-04 22:48:59,246 WARN L1590 CHandler]: Possible shadowing of function new [2024-04-04 22:48:59,247 WARN L1590 CHandler]: Possible shadowing of function new [2024-04-04 22:48:59,277 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-04 22:48:59,302 INFO L202 MainTranslator]: Completed pre-run [2024-04-04 22:48:59,331 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_90-arrayloop2_racing.i[47038,47051] [2024-04-04 22:48:59,333 WARN L1590 CHandler]: Possible shadowing of function new [2024-04-04 22:48:59,333 WARN L1590 CHandler]: Possible shadowing of function new [2024-04-04 22:48:59,333 WARN L1590 CHandler]: Possible shadowing of function new [2024-04-04 22:48:59,334 WARN L1590 CHandler]: Possible shadowing of function new [2024-04-04 22:48:59,357 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-04 22:48:59,429 INFO L206 MainTranslator]: Completed translation [2024-04-04 22:48:59,430 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 10:48:59 WrapperNode [2024-04-04 22:48:59,430 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-04-04 22:48:59,431 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-04-04 22:48:59,431 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-04-04 22:48:59,432 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-04-04 22:48:59,436 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 10:48:59" (1/1) ... [2024-04-04 22:48:59,470 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 10:48:59" (1/1) ... [2024-04-04 22:48:59,497 INFO L138 Inliner]: procedures = 279, calls = 72, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 333 [2024-04-04 22:48:59,497 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-04-04 22:48:59,498 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-04-04 22:48:59,498 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-04-04 22:48:59,498 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-04-04 22:48:59,505 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 10:48:59" (1/1) ... [2024-04-04 22:48:59,506 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 10:48:59" (1/1) ... [2024-04-04 22:48:59,510 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 10:48:59" (1/1) ... [2024-04-04 22:48:59,510 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 10:48:59" (1/1) ... [2024-04-04 22:48:59,519 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 10:48:59" (1/1) ... [2024-04-04 22:48:59,523 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 10:48:59" (1/1) ... [2024-04-04 22:48:59,524 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 10:48:59" (1/1) ... [2024-04-04 22:48:59,526 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 10:48:59" (1/1) ... [2024-04-04 22:48:59,528 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-04-04 22:48:59,529 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-04-04 22:48:59,529 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-04-04 22:48:59,529 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-04-04 22:48:59,530 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 10:48:59" (1/1) ... [2024-04-04 22:48:59,534 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-04 22:48:59,543 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 22:48:59,570 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 22:48:59,580 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 22:48:59,610 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-04-04 22:48:59,610 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-04-04 22:48:59,611 INFO L130 BoogieDeclarations]: Found specification of procedure t1_fun [2024-04-04 22:48:59,611 INFO L138 BoogieDeclarations]: Found implementation of procedure t1_fun [2024-04-04 22:48:59,611 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-04-04 22:48:59,611 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-04-04 22:48:59,611 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-04-04 22:48:59,611 INFO L130 BoogieDeclarations]: Found specification of procedure t2_fun [2024-04-04 22:48:59,611 INFO L138 BoogieDeclarations]: Found implementation of procedure t2_fun [2024-04-04 22:48:59,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-04-04 22:48:59,611 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-04-04 22:48:59,611 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-04-04 22:48:59,611 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-04-04 22:48:59,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-04-04 22:48:59,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-04-04 22:48:59,612 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-04-04 22:48:59,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-04-04 22:48:59,613 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 22:48:59,735 INFO L241 CfgBuilder]: Building ICFG [2024-04-04 22:48:59,737 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-04-04 22:49:00,034 INFO L282 CfgBuilder]: Performing block encoding [2024-04-04 22:49:00,062 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-04-04 22:49:00,063 INFO L309 CfgBuilder]: Removed 30 assume(true) statements. [2024-04-04 22:49:00,064 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.04 10:49:00 BoogieIcfgContainer [2024-04-04 22:49:00,064 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-04-04 22:49:00,065 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-04-04 22:49:00,066 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-04-04 22:49:00,068 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-04-04 22:49:00,068 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.04 10:48:58" (1/3) ... [2024-04-04 22:49:00,068 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59a2c9ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.04 10:49:00, skipping insertion in model container [2024-04-04 22:49:00,068 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 10:48:59" (2/3) ... [2024-04-04 22:49:00,068 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59a2c9ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.04 10:49:00, skipping insertion in model container [2024-04-04 22:49:00,069 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.04 10:49:00" (3/3) ... [2024-04-04 22:49:00,069 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_90-arrayloop2_racing.i [2024-04-04 22:49:00,075 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-04-04 22:49:00,082 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-04-04 22:49:00,082 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-04-04 22:49:00,082 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-04-04 22:49:00,189 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-04-04 22:49:00,230 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-04 22:49:00,230 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-04 22:49:00,230 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 22:49:00,232 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 22:49:00,237 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 22:49:00,265 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-04 22:49:00,273 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 22:49:00,274 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-04 22:49:00,278 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;@6f2637ed, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=IA, mConComCheckerCriterion=RANDOM, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=20, mConComCheckerRandomSeed=546 [2024-04-04 22:49:00,279 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-04-04 22:49:00,319 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-04-04 22:49:00,320 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 22:49:00,321 INFO L85 PathProgramCache]: Analyzing trace with hash 669780807, now seen corresponding path program 1 times [2024-04-04 22:49:00,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 22:49:00,327 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1949577185] [2024-04-04 22:49:00,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 22:49:00,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 22:49:00,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 22:49:00,636 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 22:49:00,637 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 22:49:00,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1949577185] [2024-04-04 22:49:00,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1949577185] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 22:49:00,637 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 22:49:00,637 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-04-04 22:49:00,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802196249] [2024-04-04 22:49:00,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 22:49:00,642 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-04-04 22:49:00,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 22:49:00,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-04-04 22:49:00,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-04-04 22:49:00,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:49:00,721 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 22:49:00,722 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 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 22:49:00,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:49:00,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:49:00,782 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-04-04 22:49:00,782 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-04-04 22:49:00,782 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 22:49:00,782 INFO L85 PathProgramCache]: Analyzing trace with hash -748232732, now seen corresponding path program 1 times [2024-04-04 22:49:00,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 22:49:00,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1530808129] [2024-04-04 22:49:00,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 22:49:00,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 22:49:00,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 22:49:00,891 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 22:49:00,891 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 22:49:00,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1530808129] [2024-04-04 22:49:00,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1530808129] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 22:49:00,892 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 22:49:00,892 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-04-04 22:49:00,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349077526] [2024-04-04 22:49:00,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 22:49:00,893 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-04-04 22:49:00,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 22:49:00,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-04-04 22:49:00,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-04-04 22:49:00,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:49:00,897 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 22:49:00,897 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 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 22:49:00,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:49:00,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:49:00,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:49:00,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:49:00,945 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-04-04 22:49:00,946 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-04-04 22:49:00,952 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 22:49:00,952 INFO L85 PathProgramCache]: Analyzing trace with hash 1659562126, now seen corresponding path program 1 times [2024-04-04 22:49:00,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 22:49:00,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1902124609] [2024-04-04 22:49:00,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 22:49:00,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 22:49:00,989 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2024-04-04 22:49:00,991 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1896070094] [2024-04-04 22:49:00,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 22:49:00,991 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 22:49:00,992 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 22:49:01,042 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 22:49:01,042 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 22:49:01,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 22:49:01,194 INFO L262 TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 4 conjunts are in the unsatisfiable core [2024-04-04 22:49:01,201 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 22:49:01,295 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 22:49:01,296 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 22:49:01,370 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 22:49:01,371 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 22:49:01,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1902124609] [2024-04-04 22:49:01,371 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-04-04 22:49:01,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1896070094] [2024-04-04 22:49:01,372 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1896070094] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 22:49:01,372 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-04-04 22:49:01,372 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-04-04 22:49:01,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874890491] [2024-04-04 22:49:01,373 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-04-04 22:49:01,374 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-04-04 22:49:01,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 22:49:01,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-04-04 22:49:01,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-04-04 22:49:01,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:49:01,380 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 22:49:01,380 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 17.25) internal successors, (138), 8 states have internal predecessors, (138), 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 22:49:01,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:49:01,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:49:01,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:49:01,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:49:01,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:49:01,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 22:49:01,470 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 22:49:01,670 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 22:49:01,670 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-04-04 22:49:01,670 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 22:49:01,671 INFO L85 PathProgramCache]: Analyzing trace with hash -919974322, now seen corresponding path program 2 times [2024-04-04 22:49:01,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 22:49:01,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [771895827] [2024-04-04 22:49:01,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 22:49:01,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 22:49:01,704 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2024-04-04 22:49:01,705 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [610891291] [2024-04-04 22:49:01,705 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-04 22:49:01,705 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 22:49:01,705 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 22:49:01,707 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 22:49:01,723 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 22:49:01,943 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-04 22:49:01,943 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 22:49:01,946 INFO L262 TraceCheckSpWp]: Trace formula consists of 675 conjuncts, 8 conjunts are in the unsatisfiable core [2024-04-04 22:49:01,952 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 22:49:02,125 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 22:49:02,125 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 22:49:02,271 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 22:49:02,271 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 22:49:02,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [771895827] [2024-04-04 22:49:02,271 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-04-04 22:49:02,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [610891291] [2024-04-04 22:49:02,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [610891291] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 22:49:02,272 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-04-04 22:49:02,272 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2024-04-04 22:49:02,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725767448] [2024-04-04 22:49:02,272 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-04-04 22:49:02,272 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-04-04 22:49:02,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 22:49:02,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-04-04 22:49:02,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2024-04-04 22:49:02,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:49:02,276 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 22:49:02,276 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 17.875) internal successors, (286), 16 states have internal predecessors, (286), 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 22:49:02,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:49:02,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:49:02,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 22:49:02,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:49:02,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:49:02,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:49:02,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 22:49:02,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 22:49:02,422 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-04-04 22:49:02,616 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 22:49:02,617 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-04-04 22:49:02,617 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 22:49:02,617 INFO L85 PathProgramCache]: Analyzing trace with hash -1537308210, now seen corresponding path program 3 times [2024-04-04 22:49:02,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 22:49:02,618 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472588481] [2024-04-04 22:49:02,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 22:49:02,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 22:49:02,662 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2024-04-04 22:49:02,663 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [379715898] [2024-04-04 22:49:02,663 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-04 22:49:02,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 22:49:02,663 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 22:49:02,664 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 22:49:02,689 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 22:49:02,868 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-04-04 22:49:02,868 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 22:49:02,870 INFO L262 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 4 conjunts are in the unsatisfiable core [2024-04-04 22:49:02,879 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 22:49:03,154 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 22:49:03,154 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 22:49:03,442 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 22:49:03,443 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 22:49:03,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [472588481] [2024-04-04 22:49:03,443 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-04-04 22:49:03,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [379715898] [2024-04-04 22:49:03,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [379715898] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 22:49:03,443 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-04-04 22:49:03,444 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-04-04 22:49:03,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [505726876] [2024-04-04 22:49:03,444 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-04-04 22:49:03,444 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-04-04 22:49:03,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 22:49:03,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-04-04 22:49:03,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-04-04 22:49:03,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:49:03,452 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 22:49:03,452 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 19.125) internal successors, (153), 8 states have internal predecessors, (153), 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 22:49:03,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:49:03,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:49:03,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 22:49:03,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 22:49:03,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:49:03,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:49:03,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:49:03,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 22:49:03,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 22:49:03,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 22:49:03,525 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 22:49:03,728 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 22:49:03,728 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-04-04 22:49:03,728 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 22:49:03,729 INFO L85 PathProgramCache]: Analyzing trace with hash -1047190894, now seen corresponding path program 4 times [2024-04-04 22:49:03,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 22:49:03,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2146122659] [2024-04-04 22:49:03,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 22:49:03,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 22:49:03,851 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2024-04-04 22:49:03,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [629350181] [2024-04-04 22:49:03,852 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-04 22:49:03,852 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 22:49:03,853 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 22:49:03,853 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 22:49:03,872 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 22:49:04,601 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-04 22:49:04,601 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 22:49:04,613 INFO L262 TraceCheckSpWp]: Trace formula consists of 3385 conjuncts, 8 conjunts are in the unsatisfiable core [2024-04-04 22:49:04,622 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 22:49:05,261 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 22:49:05,261 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 22:49:06,023 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 22:49:06,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 22:49:06,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2146122659] [2024-04-04 22:49:06,023 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-04-04 22:49:06,024 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [629350181] [2024-04-04 22:49:06,024 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [629350181] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 22:49:06,024 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-04-04 22:49:06,024 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2024-04-04 22:49:06,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [653813910] [2024-04-04 22:49:06,024 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-04-04 22:49:06,025 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-04-04 22:49:06,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 22:49:06,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-04-04 22:49:06,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2024-04-04 22:49:06,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:49:06,040 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 22:49:06,041 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 22.5625) internal successors, (361), 16 states have internal predecessors, (361), 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 22:49:06,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:49:06,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:49:06,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 22:49:06,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 22:49:06,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 22:49:06,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 22:49:06,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:49:06,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 22:49:06,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 22:49:06,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 22:49:06,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 22:49:06,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 22:49:06,220 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 22:49:06,419 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 22:49:06,419 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-04-04 22:49:06,419 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 22:49:06,420 INFO L85 PathProgramCache]: Analyzing trace with hash -636084710, now seen corresponding path program 5 times [2024-04-04 22:49:06,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 22:49:06,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241553521] [2024-04-04 22:49:06,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 22:49:06,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 22:49:06,637 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2024-04-04 22:49:06,638 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [711388416] [2024-04-04 22:49:06,638 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-04-04 22:49:06,638 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 22:49:06,638 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 22:49:06,639 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 22:49:06,661 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 23:03:44,767 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 23:03:44,767 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 23:03:44,767 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 23:03:45,777 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2024-04-04 23:03:45,781 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 23:03:45,968 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 23:03:46,000 ERROR L246 FreeRefinementEngine]: Caught known exception: Timeout or Toolchain cancelled by user [2024-04-04 23:03:46,000 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 23:03:46,003 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 6 remaining) [2024-04-04 23:03:46,003 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-04-04 23:03:46,003 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 1970 with TraceHistMax 49,while AutomatonFreeRefinementEngine was Timeout during CAMEL. [2024-04-04 23:03:46,004 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 6 remaining) [2024-04-04 23:03:46,004 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 6 remaining) [2024-04-04 23:03:46,004 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 6 remaining) [2024-04-04 23:03:46,004 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 6 remaining) [2024-04-04 23:03:46,005 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 6 remaining) [2024-04-04 23:03:46,007 INFO L445 BasicCegarLoop]: Path program histogram: [5, 1, 1] [2024-04-04 23:03:46,010 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-04-04 23:03:46,011 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-04-04 23:03:46,013 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.04 11:03:46 BasicIcfg [2024-04-04 23:03:46,013 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-04-04 23:03:46,013 INFO L158 Benchmark]: Toolchain (without parser) took 887132.51ms. Allocated memory was 268.4MB in the beginning and 385.9MB in the end (delta: 117.4MB). Free memory was 193.3MB in the beginning and 181.0MB in the end (delta: 12.3MB). Peak memory consumption was 130.8MB. Max. memory is 8.0GB. [2024-04-04 23:03:46,013 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 151.0MB. Free memory is still 120.5MB. There was no memory consumed. Max. memory is 8.0GB. [2024-04-04 23:03:46,013 INFO L158 Benchmark]: CACSL2BoogieTranslator took 548.58ms. Allocated memory is still 268.4MB. Free memory was 193.0MB in the beginning and 232.2MB in the end (delta: -39.2MB). Peak memory consumption was 40.8MB. Max. memory is 8.0GB. [2024-04-04 23:03:46,014 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.43ms. Allocated memory is still 268.4MB. Free memory was 232.2MB in the beginning and 229.1MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2024-04-04 23:03:46,014 INFO L158 Benchmark]: Boogie Preprocessor took 30.78ms. Allocated memory is still 268.4MB. Free memory was 229.1MB in the beginning and 225.9MB in the end (delta: 3.2MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2024-04-04 23:03:46,014 INFO L158 Benchmark]: RCFGBuilder took 535.08ms. Allocated memory is still 268.4MB. Free memory was 225.9MB in the beginning and 192.4MB in the end (delta: 33.5MB). Peak memory consumption was 33.6MB. Max. memory is 8.0GB. [2024-04-04 23:03:46,014 INFO L158 Benchmark]: TraceAbstraction took 885947.24ms. Allocated memory was 268.4MB in the beginning and 385.9MB in the end (delta: 117.4MB). Free memory was 191.3MB in the beginning and 181.0MB in the end (delta: 10.3MB). Peak memory consumption was 127.8MB. Max. memory is 8.0GB. [2024-04-04 23:03:46,024 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 151.0MB. Free memory is still 120.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 548.58ms. Allocated memory is still 268.4MB. Free memory was 193.0MB in the beginning and 232.2MB in the end (delta: -39.2MB). Peak memory consumption was 40.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 66.43ms. Allocated memory is still 268.4MB. Free memory was 232.2MB in the beginning and 229.1MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 30.78ms. Allocated memory is still 268.4MB. Free memory was 229.1MB in the beginning and 225.9MB in the end (delta: 3.2MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 535.08ms. Allocated memory is still 268.4MB. Free memory was 225.9MB in the beginning and 192.4MB in the end (delta: 33.5MB). Peak memory consumption was 33.6MB. Max. memory is 8.0GB. * TraceAbstraction took 885947.24ms. Allocated memory was 268.4MB in the beginning and 385.9MB in the end (delta: 117.4MB). Free memory was 191.3MB in the beginning and 181.0MB in the end (delta: 10.3MB). Peak memory consumption was 127.8MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 548, independent: 345, independent conditional: 345, independent unconditional: 0, dependent: 203, dependent conditional: 203, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 345, independent: 345, independent conditional: 345, independent unconditional: 0, 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: 345, independent: 345, independent conditional: 345, independent unconditional: 0, 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: 345, independent: 345, independent conditional: 345, independent unconditional: 0, 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: 345, independent: 345, independent conditional: 134, independent unconditional: 211, 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: 345, independent: 345, independent conditional: 134, independent unconditional: 211, 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: 345, independent: 345, independent conditional: 134, independent unconditional: 211, 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: 129, independent: 129, independent conditional: 40, independent unconditional: 89, 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: 129, independent: 129, independent conditional: 0, independent unconditional: 129, 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: 345, independent: 216, independent conditional: 94, independent unconditional: 122, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 129, unknown conditional: 40, unknown unconditional: 89] , Statistics on independence cache: Total cache size (in pairs): 129, Positive cache size: 129, Positive conditional cache size: 40, Positive unconditional cache size: 89, 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: 345, independent: 345, independent conditional: 134, independent unconditional: 211, 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: 345, independent: 345, independent conditional: 134, independent unconditional: 211, 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: 345, independent: 345, independent conditional: 134, independent unconditional: 211, 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: 129, independent: 129, independent conditional: 40, independent unconditional: 89, 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: 129, independent: 129, independent conditional: 0, independent unconditional: 129, 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: 345, independent: 216, independent conditional: 94, independent unconditional: 122, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 129, unknown conditional: 40, unknown unconditional: 89] , Statistics on independence cache: Total cache size (in pairs): 129, Positive cache size: 129, Positive conditional cache size: 40, Positive unconditional cache size: 89, 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: 203 - 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 1970 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 1970 with TraceHistMax 49,while AutomatonFreeRefinementEngine was Timeout during CAMEL. - 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 1970 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 1970 with TraceHistMax 49,while AutomatonFreeRefinementEngine was Timeout during CAMEL. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 445 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 885.8s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 5, EmptinessCheckTime: 0.6s, 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, 1607 NumberOfCodeBlocks, 1290 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 3075 ConstructedInterpolants, 0 QuantifiedInterpolants, 8071 SizeOfPredicates, 16 NumberOfNonLiveVariables, 4595 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