/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 50 --traceabstraction.seed.for.random.criterion 213 -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-atomic/peterson.i
--------------------------------------------------------------------------------
This is Ultimate 0.2.4-wip.dk.conditional-comm-17da818-m
[2024-05-05 15:41:37,150 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-05-05 15:41:37,211 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf
[2024-05-05 15:41:37,215 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-05-05 15:41:37,216 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-05-05 15:41:37,239 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-05-05 15:41:37,239 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-05-05 15:41:37,239 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-05-05 15:41:37,240 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-05-05 15:41:37,243 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-05-05 15:41:37,243 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-05-05 15:41:37,244 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-05-05 15:41:37,244 INFO L153 SettingsManager]: * Use SBE=true
[2024-05-05 15:41:37,245 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-05-05 15:41:37,245 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-05-05 15:41:37,246 INFO L153 SettingsManager]: * sizeof long=4
[2024-05-05 15:41:37,246 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-05-05 15:41:37,246 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-05-05 15:41:37,246 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-05-05 15:41:37,246 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-05-05 15:41:37,246 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-05-05 15:41:37,247 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-05-05 15:41:37,248 INFO L153 SettingsManager]: * sizeof long double=12
[2024-05-05 15:41:37,248 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-05-05 15:41:37,248 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-05-05 15:41:37,248 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-05-05 15:41:37,249 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-05-05 15:41:37,249 INFO L153 SettingsManager]: * To the following directory=./dump/
[2024-05-05 15:41:37,249 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-05-05 15:41:37,249 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-05-05 15:41:37,250 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-05-05 15:41:37,250 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-05-05 15:41:37,250 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-05-05 15:41:37,251 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-05-05 15:41:37,251 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES
[2024-05-05 15:41:37,251 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-05-05 15:41:37,251 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-05-05 15:41:37,251 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2024-05-05 15:41:37,251 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2024-05-05 15:41:37,251 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> IA
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> RANDOM
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: probability for random criterion as percentage -> 50
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: seed for random criterion -> 213
[2024-05-05 15:41:37,501 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-05-05 15:41:37,534 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-05-05 15:41:37,536 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-05-05 15:41:37,538 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-05-05 15:41:37,538 INFO L274 PluginConnector]: CDTParser initialized
[2024-05-05 15:41:37,539 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-atomic/peterson.i
[2024-05-05 15:41:38,561 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-05-05 15:41:38,743 INFO L384 CDTParser]: Found 1 translation units.
[2024-05-05 15:41:38,744 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/peterson.i
[2024-05-05 15:41:38,752 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/325d55905/6afb3a0d34de4bff99e993e4477daa7a/FLAG1955981fa
[2024-05-05 15:41:38,761 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/325d55905/6afb3a0d34de4bff99e993e4477daa7a
[2024-05-05 15:41:38,763 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-05-05 15:41:38,764 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements.
[2024-05-05 15:41:38,766 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-05-05 15:41:38,766 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-05-05 15:41:38,770 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-05-05 15:41:38,770 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.05 03:41:38" (1/1) ...
[2024-05-05 15:41:38,771 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57845600 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 03:41:38, skipping insertion in model container
[2024-05-05 15:41:38,771 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.05 03:41:38" (1/1) ...
[2024-05-05 15:41:38,809 INFO L177 MainTranslator]: Built tables and reachable declarations
[2024-05-05 15:41:39,000 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/peterson.i[30997,31010]
[2024-05-05 15:41:39,008 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/peterson.i[31682,31695]
[2024-05-05 15:41:39,013 INFO L209 PostProcessor]: Analyzing one entry point: main
[2024-05-05 15:41:39,023 INFO L202 MainTranslator]: Completed pre-run
[2024-05-05 15:41:39,074 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/peterson.i[30997,31010]
[2024-05-05 15:41:39,076 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/peterson.i[31682,31695]
[2024-05-05 15:41:39,078 INFO L209 PostProcessor]: Analyzing one entry point: main
[2024-05-05 15:41:39,103 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler.
[2024-05-05 15:41:39,103 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler.
[2024-05-05 15:41:39,109 INFO L206 MainTranslator]: Completed translation
[2024-05-05 15:41:39,109 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 03:41:39 WrapperNode
[2024-05-05 15:41:39,109 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-05-05 15:41:39,110 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-05-05 15:41:39,110 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-05-05 15:41:39,110 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-05-05 15:41:39,115 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 03:41:39" (1/1) ...
[2024-05-05 15:41:39,132 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 03:41:39" (1/1) ...
[2024-05-05 15:41:39,146 INFO L138 Inliner]: procedures = 170, calls = 46, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 42
[2024-05-05 15:41:39,146 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-05-05 15:41:39,147 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-05-05 15:41:39,147 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-05-05 15:41:39,147 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-05-05 15:41:39,153 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 03:41:39" (1/1) ...
[2024-05-05 15:41:39,153 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 03:41:39" (1/1) ...
[2024-05-05 15:41:39,156 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 03:41:39" (1/1) ...
[2024-05-05 15:41:39,157 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 03:41:39" (1/1) ...
[2024-05-05 15:41:39,165 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 03:41:39" (1/1) ...
[2024-05-05 15:41:39,168 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 03:41:39" (1/1) ...
[2024-05-05 15:41:39,169 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 03:41:39" (1/1) ...
[2024-05-05 15:41:39,169 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 03:41:39" (1/1) ...
[2024-05-05 15:41:39,171 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-05-05 15:41:39,172 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-05-05 15:41:39,172 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-05-05 15:41:39,172 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-05-05 15:41:39,173 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 03:41:39" (1/1) ...
[2024-05-05 15:41:39,177 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-05-05 15:41:39,186 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-05-05 15:41:39,214 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2024-05-05 15:41:39,221 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2024-05-05 15:41:39,267 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2024-05-05 15:41:39,268 INFO L130 BoogieDeclarations]: Found specification of procedure thr2
[2024-05-05 15:41:39,268 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2
[2024-05-05 15:41:39,268 INFO L130 BoogieDeclarations]: Found specification of procedure thr1
[2024-05-05 15:41:39,268 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1
[2024-05-05 15:41:39,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2024-05-05 15:41:39,268 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2024-05-05 15:41:39,268 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-05-05 15:41:39,269 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2024-05-05 15:41:39,270 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-05-05 15:41:39,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2024-05-05 15:41:39,270 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2024-05-05 15:41:39,270 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-05-05 15:41:39,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-05-05 15:41:39,271 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement
[2024-05-05 15:41:39,398 INFO L241 CfgBuilder]: Building ICFG
[2024-05-05 15:41:39,399 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-05-05 15:41:39,572 INFO L282 CfgBuilder]: Performing block encoding
[2024-05-05 15:41:39,581 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-05-05 15:41:39,582 INFO L309 CfgBuilder]: Removed 2 assume(true) statements.
[2024-05-05 15:41:39,583 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.05 03:41:39 BoogieIcfgContainer
[2024-05-05 15:41:39,583 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-05-05 15:41:39,585 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-05-05 15:41:39,586 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-05-05 15:41:39,588 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-05-05 15:41:39,589 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.05 03:41:38" (1/3) ...
[2024-05-05 15:41:39,589 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5af819ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.05 03:41:39, skipping insertion in model container
[2024-05-05 15:41:39,590 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 03:41:39" (2/3) ...
[2024-05-05 15:41:39,590 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5af819ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.05 03:41:39, skipping insertion in model container
[2024-05-05 15:41:39,590 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.05 03:41:39" (3/3) ...
[2024-05-05 15:41:39,591 INFO L112 eAbstractionObserver]: Analyzing ICFG peterson.i
[2024-05-05 15:41:39,598 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2024-05-05 15:41:39,605 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-05-05 15:41:39,606 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations.
[2024-05-05 15:41:39,606 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-05-05 15:41:39,664 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions.
[2024-05-05 15:41:39,693 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-05-05 15:41:39,693 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2024-05-05 15:41:39,693 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-05-05 15:41:39,696 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null)
[2024-05-05 15:41:39,697 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process
[2024-05-05 15:41:39,728 INFO L188 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations.
[2024-05-05 15:41:39,736 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2024-05-05 15:41:39,738 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-05-05 15:41:39,746 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;@7d18c3d7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=IA, mConComCheckerCriterion=RANDOM, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=50, mConComCheckerRandomSeed=213, mConComCheckerConditionCriterion=false
[2024-05-05 15:41:39,746 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations.
[2024-05-05 15:41:39,794 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] ===
[2024-05-05 15:41:39,795 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2024-05-05 15:41:39,795 INFO L85 PathProgramCache]: Analyzing trace with hash -1893449077, now seen corresponding path program 1 times
[2024-05-05 15:41:39,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-05-05 15:41:39,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [590655328]
[2024-05-05 15:41:39,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-05-05 15:41:39,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-05-05 15:41:39,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-05-05 15:41:40,144 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2024-05-05 15:41:40,144 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-05-05 15:41:40,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [590655328]
[2024-05-05 15:41:40,145 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [590655328] provided 1 perfect and 0 imperfect interpolant sequences
[2024-05-05 15:41:40,145 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-05-05 15:41:40,145 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-05-05 15:41:40,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759211228]
[2024-05-05 15:41:40,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-05-05 15:41:40,150 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-05-05 15:41:40,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-05-05 15:41:40,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-05-05 15:41:40,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-05-05 15:41:40,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-05-05 15:41:40,198 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-05-05 15:41:40,199 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-05-05 15:41:40,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-05-05 15:41:40,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-05-05 15:41:40,234 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-05-05 15:41:40,235 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] ===
[2024-05-05 15:41:40,235 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2024-05-05 15:41:40,235 INFO L85 PathProgramCache]: Analyzing trace with hash -308197650, now seen corresponding path program 1 times
[2024-05-05 15:41:40,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-05-05 15:41:40,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734001140]
[2024-05-05 15:41:40,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-05-05 15:41:40,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-05-05 15:41:40,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-05-05 15:41:40,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-05-05 15:41:40,303 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-05-05 15:41:40,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1734001140]
[2024-05-05 15:41:40,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1734001140] provided 1 perfect and 0 imperfect interpolant sequences
[2024-05-05 15:41:40,304 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-05-05 15:41:40,304 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-05-05 15:41:40,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124001175]
[2024-05-05 15:41:40,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-05-05 15:41:40,305 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-05-05 15:41:40,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-05-05 15:41:40,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-05-05 15:41:40,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-05-05 15:41:40,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-05-05 15:41:40,309 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-05-05 15:41:40,310 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-05-05 15:41:40,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states.
[2024-05-05 15:41:40,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-05-05 15:41:40,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-05-05 15:41:40,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-05-05 15:41:40,338 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-05-05 15:41:40,338 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thr2Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] ===
[2024-05-05 15:41:40,338 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2024-05-05 15:41:40,339 INFO L85 PathProgramCache]: Analyzing trace with hash 1506339437, now seen corresponding path program 1 times
[2024-05-05 15:41:40,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-05-05 15:41:40,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1132130476]
[2024-05-05 15:41:40,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-05-05 15:41:40,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-05-05 15:41:40,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-05-05 15:41:40,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-05-05 15:41:40,492 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-05-05 15:41:40,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1132130476]
[2024-05-05 15:41:40,492 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1132130476] provided 1 perfect and 0 imperfect interpolant sequences
[2024-05-05 15:41:40,492 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-05-05 15:41:40,492 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-05-05 15:41:40,492 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [252804128]
[2024-05-05 15:41:40,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-05-05 15:41:40,493 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-05-05 15:41:40,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-05-05 15:41:40,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-05-05 15:41:40,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2024-05-05 15:41:40,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-05-05 15:41:40,503 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-05-05 15:41:40,503 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-05-05 15:41:40,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states.
[2024-05-05 15:41:40,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states.
[2024-05-05 15:41:40,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-05-05 15:41:40,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-05-05 15:41:40,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-05-05 15:41:40,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2024-05-05 15:41:40,571 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-05-05 15:41:40,571 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thr2Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] ===
[2024-05-05 15:41:40,571 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2024-05-05 15:41:40,571 INFO L85 PathProgramCache]: Analyzing trace with hash 622783898, now seen corresponding path program 1 times
[2024-05-05 15:41:40,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-05-05 15:41:40,572 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1188006374]
[2024-05-05 15:41:40,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-05-05 15:41:40,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-05-05 15:41:40,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-05-05 15:41:40,611 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-05-05 15:41:40,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-05-05 15:41:40,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1188006374]
[2024-05-05 15:41:40,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1188006374] provided 1 perfect and 0 imperfect interpolant sequences
[2024-05-05 15:41:40,612 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-05-05 15:41:40,612 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-05-05 15:41:40,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515500043]
[2024-05-05 15:41:40,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-05-05 15:41:40,612 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-05-05 15:41:40,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-05-05 15:41:40,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-05-05 15:41:40,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-05-05 15:41:40,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-05-05 15:41:40,615 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-05-05 15:41:40,615 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-05-05 15:41:40,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states.
[2024-05-05 15:41:40,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states.
[2024-05-05 15:41:40,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states.
[2024-05-05 15:41:40,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-05-05 15:41:40,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-05-05 15:41:40,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-05-05 15:41:40,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states.
[2024-05-05 15:41:40,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-05-05 15:41:40,816 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-05-05 15:41:40,816 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thr2Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] ===
[2024-05-05 15:41:40,816 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2024-05-05 15:41:40,816 INFO L85 PathProgramCache]: Analyzing trace with hash 1891944987, now seen corresponding path program 1 times
[2024-05-05 15:41:40,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-05-05 15:41:40,817 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [990252759]
[2024-05-05 15:41:40,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-05-05 15:41:40,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-05-05 15:41:40,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-05-05 15:41:40,910 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2024-05-05 15:41:40,910 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-05-05 15:41:40,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [990252759]
[2024-05-05 15:41:40,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [990252759] provided 0 perfect and 1 imperfect interpolant sequences
[2024-05-05 15:41:40,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [472984758]
[2024-05-05 15:41:40,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-05-05 15:41:40,912 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-05-05 15:41:40,912 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-05-05 15:41:40,946 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)
[2024-05-05 15:41:40,955 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-05-05 15:41:41,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-05-05 15:41:41,060 INFO L262 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 9 conjunts are in the unsatisfiable core
[2024-05-05 15:41:41,073 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2024-05-05 15:41:41,164 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2024-05-05 15:41:41,164 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2024-05-05 15:41:41,241 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2024-05-05 15:41:41,241 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [472984758] provided 0 perfect and 2 imperfect interpolant sequences
[2024-05-05 15:41:41,241 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-05-05 15:41:41,241 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 6
[2024-05-05 15:41:41,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532978572]
[2024-05-05 15:41:41,242 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-05-05 15:41:41,242 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-05-05 15:41:41,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-05-05 15:41:41,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-05-05 15:41:41,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2024-05-05 15:41:41,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-05-05 15:41:41,288 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-05-05 15:41:41,288 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-05-05 15:41:41,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states.
[2024-05-05 15:41:41,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states.
[2024-05-05 15:41:41,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states.
[2024-05-05 15:41:41,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states.
[2024-05-05 15:41:41,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-05-05 15:41:41,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-05-05 15:41:41,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-05-05 15:41:41,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states.
[2024-05-05 15:41:41,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-05-05 15:41:41,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states.
[2024-05-05 15:41:41,494 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err0ASSERT_VIOLATIONERROR_FUNCTION (5 of 6 remaining)
[2024-05-05 15:41:41,494 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (4 of 6 remaining)
[2024-05-05 15:41:41,495 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 6 remaining)
[2024-05-05 15:41:41,495 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 6 remaining)
[2024-05-05 15:41:41,495 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err0ASSERT_VIOLATIONERROR_FUNCTION (1 of 6 remaining)
[2024-05-05 15:41:41,498 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 6 remaining)
[2024-05-05 15:41:41,506 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0
[2024-05-05 15:41:41,703 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-05-05 15:41:41,711 INFO L448 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1]
[2024-05-05 15:41:41,715 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2024-05-05 15:41:41,715 INFO L178 ceAbstractionStarter]: Computing trace abstraction results
[2024-05-05 15:41:41,720 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.05 03:41:41 BasicIcfg
[2024-05-05 15:41:41,720 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-05-05 15:41:41,721 INFO L158 Benchmark]: Toolchain (without parser) took 2956.51ms. Allocated memory was 375.4MB in the beginning and 450.9MB in the end (delta: 75.5MB). Free memory was 301.6MB in the beginning and 371.9MB in the end (delta: -70.3MB). Peak memory consumption was 6.5MB. Max. memory is 8.0GB.
[2024-05-05 15:41:41,721 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 375.4MB. Free memory is still 342.5MB. There was no memory consumed. Max. memory is 8.0GB.
[2024-05-05 15:41:41,722 INFO L158 Benchmark]: CACSL2BoogieTranslator took 343.47ms. Allocated memory is still 375.4MB. Free memory was 301.4MB in the beginning and 281.2MB in the end (delta: 20.2MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB.
[2024-05-05 15:41:41,723 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.93ms. Allocated memory is still 375.4MB. Free memory was 281.2MB in the beginning and 279.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
[2024-05-05 15:41:41,723 INFO L158 Benchmark]: Boogie Preprocessor took 24.74ms. Allocated memory is still 375.4MB. Free memory was 279.1MB in the beginning and 277.8MB in the end (delta: 1.3MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB.
[2024-05-05 15:41:41,723 INFO L158 Benchmark]: RCFGBuilder took 411.63ms. Allocated memory is still 375.4MB. Free memory was 277.6MB in the beginning and 330.9MB in the end (delta: -53.4MB). Peak memory consumption was 10.8MB. Max. memory is 8.0GB.
[2024-05-05 15:41:41,723 INFO L158 Benchmark]: TraceAbstraction took 2134.83ms. Allocated memory was 375.4MB in the beginning and 450.9MB in the end (delta: 75.5MB). Free memory was 329.9MB in the beginning and 371.9MB in the end (delta: -42.0MB). Peak memory consumption was 33.5MB. Max. memory is 8.0GB.
[2024-05-05 15:41:41,724 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.10ms. Allocated memory is still 375.4MB. Free memory is still 342.5MB. There was no memory consumed. Max. memory is 8.0GB.
* CACSL2BoogieTranslator took 343.47ms. Allocated memory is still 375.4MB. Free memory was 301.4MB in the beginning and 281.2MB in the end (delta: 20.2MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB.
* Boogie Procedure Inliner took 35.93ms. Allocated memory is still 375.4MB. Free memory was 281.2MB in the beginning and 279.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
* Boogie Preprocessor took 24.74ms. Allocated memory is still 375.4MB. Free memory was 279.1MB in the beginning and 277.8MB in the end (delta: 1.3MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB.
* RCFGBuilder took 411.63ms. Allocated memory is still 375.4MB. Free memory was 277.6MB in the beginning and 330.9MB in the end (delta: -53.4MB). Peak memory consumption was 10.8MB. Max. memory is 8.0GB.
* TraceAbstraction took 2134.83ms. Allocated memory was 375.4MB in the beginning and 450.9MB in the end (delta: 75.5MB). Free memory was 329.9MB in the beginning and 371.9MB in the end (delta: -42.0MB). Peak memory consumption was 33.5MB. Max. memory is 8.0GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: Independence relation #1 benchmarks
ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 7319, independent: 6510, independent conditional: 6405, independent unconditional: 105, dependent: 809, dependent conditional: 809, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 6601, independent: 6510, independent conditional: 6405, independent unconditional: 105, dependent: 91, dependent conditional: 91, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6601, independent: 6510, independent conditional: 6405, independent unconditional: 105, dependent: 91, dependent conditional: 91, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 6601, independent: 6510, independent conditional: 6405, independent unconditional: 105, dependent: 91, dependent conditional: 91, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6949, independent: 6510, independent conditional: 274, independent unconditional: 6236, dependent: 439, dependent conditional: 259, dependent unconditional: 180, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 6949, independent: 6510, independent conditional: 156, independent unconditional: 6354, dependent: 439, dependent conditional: 61, dependent unconditional: 378, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6949, independent: 6510, independent conditional: 156, independent unconditional: 6354, dependent: 439, dependent conditional: 61, dependent unconditional: 378, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 629, independent: 603, independent conditional: 60, independent unconditional: 543, dependent: 26, dependent conditional: 11, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 629, independent: 602, independent conditional: 0, independent unconditional: 602, dependent: 27, dependent conditional: 0, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 27, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 26, dependent conditional: 11, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 27, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 26, dependent conditional: 11, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 46, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 45, dependent conditional: 14, dependent unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 6949, independent: 5907, independent conditional: 96, independent unconditional: 5811, dependent: 413, dependent conditional: 50, dependent unconditional: 363, unknown: 629, unknown conditional: 71, unknown unconditional: 558] , Statistics on independence cache: Total cache size (in pairs): 629, Positive cache size: 603, Positive conditional cache size: 60, Positive unconditional cache size: 543, Negative cache size: 26, Negative conditional cache size: 11, Negative unconditional cache size: 15, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 316, Maximal queried relation: 4, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6949, independent: 6510, independent conditional: 274, independent unconditional: 6236, dependent: 439, dependent conditional: 259, dependent unconditional: 180, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 6949, independent: 6510, independent conditional: 156, independent unconditional: 6354, dependent: 439, dependent conditional: 61, dependent unconditional: 378, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6949, independent: 6510, independent conditional: 156, independent unconditional: 6354, dependent: 439, dependent conditional: 61, dependent unconditional: 378, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 629, independent: 603, independent conditional: 60, independent unconditional: 543, dependent: 26, dependent conditional: 11, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 629, independent: 602, independent conditional: 0, independent unconditional: 602, dependent: 27, dependent conditional: 0, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 27, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 26, dependent conditional: 11, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 27, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 26, dependent conditional: 11, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 46, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 45, dependent conditional: 14, dependent unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 6949, independent: 5907, independent conditional: 96, independent unconditional: 5811, dependent: 413, dependent conditional: 50, dependent unconditional: 363, unknown: 629, unknown conditional: 71, unknown unconditional: 558] , Statistics on independence cache: Total cache size (in pairs): 629, Positive cache size: 603, Positive conditional cache size: 60, Positive unconditional cache size: 543, Negative cache size: 26, Negative conditional cache size: 11, Negative unconditional cache size: 15, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 316 ], Independence queries for same thread: 718
- PositiveResult [Line: 753]: a call to reach_error is unreachable
For all program executions holds that a call to reach_error is unreachable at this location
- PositiveResult [Line: 725]: a call to reach_error is unreachable
For all program executions holds that a call to reach_error is unreachable at this location
- StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances
CFG has 5 procedures, 107 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 2.0s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 1, 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: 31, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 291 NumberOfCodeBlocks, 291 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 333 ConstructedInterpolants, 0 QuantifiedInterpolants, 811 SizeOfPredicates, 2 NumberOfNonLiveVariables, 139 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 7 InterpolantComputations, 4 PerfectInterpolantSequences, 12/21 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConditionalCommutativityCheckTime: 0.1s, ConditionalCommutativityIAIntegrations: 0, ConditionalCommutativityDFSRestarts: 0, ConditionalCommutativityConditionCalculations: 1, ConditionalCommutativityTraceChecks: 0, ConditionalCommutativityImperfectProofs: 0
- AllSpecificationsHoldResult: All specifications hold
2 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2024-05-05 15:41:41,756 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0
[2024-05-05 15:41:41,942 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
Received shutdown request...