This is Ultimate 0.2.5-wip.dk.conditional-comm-b86fb0b-m
[2024-10-16 14:45:39,636 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-10-16 14:45:39,698 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf
[2024-10-16 14:45:39,702 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-10-16 14:45:39,704 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-10-16 14:45:39,726 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-10-16 14:45:39,727 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-10-16 14:45:39,727 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-10-16 14:45:39,728 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-10-16 14:45:39,728 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-10-16 14:45:39,728 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-10-16 14:45:39,728 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-10-16 14:45:39,729 INFO L153 SettingsManager]: * Use SBE=true
[2024-10-16 14:45:39,730 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-10-16 14:45:39,730 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-10-16 14:45:39,731 INFO L153 SettingsManager]: * sizeof long=4
[2024-10-16 14:45:39,731 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-10-16 14:45:39,731 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-10-16 14:45:39,731 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-10-16 14:45:39,731 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-10-16 14:45:39,731 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-10-16 14:45:39,734 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-10-16 14:45:39,734 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-10-16 14:45:39,734 INFO L153 SettingsManager]: * sizeof long double=12
[2024-10-16 14:45:39,734 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-10-16 14:45:39,734 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-10-16 14:45:39,735 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-10-16 14:45:39,735 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-10-16 14:45:39,735 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-10-16 14:45:39,735 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-10-16 14:45:39,735 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-10-16 14:45:39,735 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-10-16 14:45:39,735 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-10-16 14:45:39,736 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP
[2024-10-16 14:45:39,736 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-10-16 14:45:39,736 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-10-16 14:45:39,736 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER
[2024-10-16 14:45:39,736 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-10-16 14:45:39,736 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-10-16 14:45:39,736 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2024-10-16 14:45:39,736 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE
[2024-10-16 14:45:39,737 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.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6fdb5189ea0a06d32886b44c2108d225ef2901fa5113fdc3856a252d0f653190
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 -> COUNTEREXAMPLE
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> DEFAULT
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: TraceCheck mode for conditional commutativity -> SYMBOLIC_RELATION
[2024-10-16 14:45:39,986 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-10-16 14:45:40,002 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-10-16 14:45:40,004 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-10-16 14:45:40,005 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-10-16 14:45:40,006 INFO L274 PluginConnector]: CDTParser initialized
[2024-10-16 14:45:40,007 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-bad-dot-product-alt.wvr.c
[2024-10-16 14:45:41,299 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-10-16 14:45:41,458 INFO L384 CDTParser]: Found 1 translation units.
[2024-10-16 14:45:41,459 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-dot-product-alt.wvr.c
[2024-10-16 14:45:41,469 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/905a913ec/00dc5eba15004bfc9ffae6f40e8ba97d/FLAG7511a52e2
[2024-10-16 14:45:41,481 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/905a913ec/00dc5eba15004bfc9ffae6f40e8ba97d
[2024-10-16 14:45:41,483 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-10-16 14:45:41,485 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-10-16 14:45:41,487 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-10-16 14:45:41,487 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-10-16 14:45:41,491 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-10-16 14:45:41,491 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:45:41" (1/1) ...
[2024-10-16 14:45:41,493 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b79043b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:45:41, skipping insertion in model container
[2024-10-16 14:45:41,493 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:45:41" (1/1) ...
[2024-10-16 14:45:41,513 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-10-16 14:45:41,696 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-dot-product-alt.wvr.c[3221,3234]
[2024-10-16 14:45:41,704 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-10-16 14:45:41,717 INFO L200 MainTranslator]: Completed pre-run
[2024-10-16 14:45:41,740 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-dot-product-alt.wvr.c[3221,3234]
[2024-10-16 14:45:41,743 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-10-16 14:45:41,756 INFO L204 MainTranslator]: Completed translation
[2024-10-16 14:45:41,757 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:45:41 WrapperNode
[2024-10-16 14:45:41,757 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-10-16 14:45:41,758 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-10-16 14:45:41,758 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-10-16 14:45:41,758 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-10-16 14:45:41,763 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:45:41" (1/1) ...
[2024-10-16 14:45:41,771 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:45:41" (1/1) ...
[2024-10-16 14:45:41,797 INFO L138 Inliner]: procedures = 27, calls = 59, calls flagged for inlining = 18, calls inlined = 26, statements flattened = 360
[2024-10-16 14:45:41,797 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-10-16 14:45:41,798 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-10-16 14:45:41,800 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-10-16 14:45:41,800 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-10-16 14:45:41,806 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:45:41" (1/1) ...
[2024-10-16 14:45:41,806 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:45:41" (1/1) ...
[2024-10-16 14:45:41,813 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:45:41" (1/1) ...
[2024-10-16 14:45:41,818 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:45:41" (1/1) ...
[2024-10-16 14:45:41,829 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:45:41" (1/1) ...
[2024-10-16 14:45:41,838 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:45:41" (1/1) ...
[2024-10-16 14:45:41,840 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:45:41" (1/1) ...
[2024-10-16 14:45:41,841 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:45:41" (1/1) ...
[2024-10-16 14:45:41,848 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-10-16 14:45:41,848 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-10-16 14:45:41,848 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-10-16 14:45:41,848 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-10-16 14:45:41,849 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:45:41" (1/1) ...
[2024-10-16 14:45:41,853 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-10-16 14:45:41,862 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-10-16 14:45:41,873 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)
[2024-10-16 14:45:41,875 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
[2024-10-16 14:45:41,907 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-10-16 14:45:41,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2024-10-16 14:45:41,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2024-10-16 14:45:41,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2024-10-16 14:45:41,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2024-10-16 14:45:41,908 INFO L130 BoogieDeclarations]: Found specification of procedure thread1
[2024-10-16 14:45:41,908 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1
[2024-10-16 14:45:41,908 INFO L130 BoogieDeclarations]: Found specification of procedure thread2
[2024-10-16 14:45:41,908 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2
[2024-10-16 14:45:41,909 INFO L130 BoogieDeclarations]: Found specification of procedure thread3
[2024-10-16 14:45:41,909 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3
[2024-10-16 14:45:41,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2024-10-16 14:45:41,909 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2024-10-16 14:45:41,909 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2024-10-16 14:45:41,909 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2024-10-16 14:45:41,910 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-10-16 14:45:41,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-10-16 14:45:41,911 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement.
[2024-10-16 14:45:42,002 INFO L238 CfgBuilder]: Building ICFG
[2024-10-16 14:45:42,005 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-10-16 14:45:42,459 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program.
[2024-10-16 14:45:42,459 INFO L287 CfgBuilder]: Performing block encoding
[2024-10-16 14:45:42,805 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-10-16 14:45:42,806 INFO L314 CfgBuilder]: Removed 7 assume(true) statements.
[2024-10-16 14:45:42,807 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:45:42 BoogieIcfgContainer
[2024-10-16 14:45:42,807 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-10-16 14:45:42,809 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-10-16 14:45:42,809 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-10-16 14:45:42,811 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-10-16 14:45:42,811 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 02:45:41" (1/3) ...
[2024-10-16 14:45:42,812 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32cf9e7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:45:42, skipping insertion in model container
[2024-10-16 14:45:42,812 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:45:41" (2/3) ...
[2024-10-16 14:45:42,813 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32cf9e7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:45:42, skipping insertion in model container
[2024-10-16 14:45:42,813 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:45:42" (3/3) ...
[2024-10-16 14:45:42,814 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-bad-dot-product-alt.wvr.c
[2024-10-16 14:45:42,826 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-10-16 14:45:42,827 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-10-16 14:45:42,827 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-10-16 14:45:42,881 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions.
[2024-10-16 14:45:42,914 INFO L106 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-10-16 14:45:42,914 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2024-10-16 14:45:42,914 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-10-16 14:45:42,916 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)
[2024-10-16 14:45:42,917 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
[2024-10-16 14:45:43,008 INFO L194 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations.
[2024-10-16 14:45:43,020 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-10-16 14:45:43,022 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ========
[2024-10-16 14:45:43,027 INFO L333 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, 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;@6e935288, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=COUNTEREXAMPLE, mConComCheckerCriterion=DEFAULT, mConComCheckerTraceCheckMode=SYMBOLIC_RELATION, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false
[2024-10-16 14:45:43,027 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations.
[2024-10-16 14:45:43,368 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2024-10-16 14:45:43,370 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-10-16 14:45:43,370 INFO L85 PathProgramCache]: Analyzing trace with hash -1291794138, now seen corresponding path program 1 times
[2024-10-16 14:45:43,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-16 14:45:43,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [235330928]
[2024-10-16 14:45:43,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-16 14:45:43,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-16 14:45:43,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-16 14:45:43,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-10-16 14:45:43,676 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-10-16 14:45:43,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [235330928]
[2024-10-16 14:45:43,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [235330928] provided 1 perfect and 0 imperfect interpolant sequences
[2024-10-16 14:45:43,677 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-10-16 14:45:43,677 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-10-16 14:45:43,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1232628242]
[2024-10-16 14:45:43,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-10-16 14:45:43,681 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-10-16 14:45:43,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-10-16 14:45:43,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-10-16 14:45:43,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-10-16 14:45:43,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-10-16 14:45:43,698 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-10-16 14:45:43,699 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 2 states have internal predecessors, (21), 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)
[2024-10-16 14:45:43,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-10-16 14:45:43,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-10-16 14:45:43,758 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-10-16 14:45:43,758 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2024-10-16 14:45:43,759 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-10-16 14:45:43,759 INFO L85 PathProgramCache]: Analyzing trace with hash -308183824, now seen corresponding path program 1 times
[2024-10-16 14:45:43,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-16 14:45:43,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2053733773]
[2024-10-16 14:45:43,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-16 14:45:43,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-16 14:45:43,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-16 14:45:43,934 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-10-16 14:45:43,935 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-10-16 14:45:43,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2053733773]
[2024-10-16 14:45:43,936 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2053733773] provided 1 perfect and 0 imperfect interpolant sequences
[2024-10-16 14:45:43,936 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-10-16 14:45:43,936 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-10-16 14:45:43,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110834057]
[2024-10-16 14:45:43,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-10-16 14:45:43,938 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-10-16 14:45:43,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-10-16 14:45:43,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-10-16 14:45:43,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-10-16 14:45:43,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-10-16 14:45:43,940 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-10-16 14:45:43,941 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 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)
[2024-10-16 14:45:43,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states.
[2024-10-16 14:45:43,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-10-16 14:45:44,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-10-16 14:45:44,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-10-16 14:45:44,034 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-10-16 14:45:44,034 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2024-10-16 14:45:44,035 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-10-16 14:45:44,035 INFO L85 PathProgramCache]: Analyzing trace with hash -379267453, now seen corresponding path program 1 times
[2024-10-16 14:45:44,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-16 14:45:44,035 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1977521135]
[2024-10-16 14:45:44,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-16 14:45:44,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-16 14:45:44,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-16 14:45:44,145 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2024-10-16 14:45:44,146 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-10-16 14:45:44,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1977521135]
[2024-10-16 14:45:44,146 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1977521135] provided 0 perfect and 1 imperfect interpolant sequences
[2024-10-16 14:45:44,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1939165851]
[2024-10-16 14:45:44,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-16 14:45:44,147 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-10-16 14:45:44,147 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-10-16 14:45:44,156 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)
[2024-10-16 14:45:44,157 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-10-16 14:45:44,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-16 14:45:44,269 INFO L255 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 6 conjuncts are in the unsatisfiable core
[2024-10-16 14:45:44,272 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-10-16 14:45:44,331 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2024-10-16 14:45:44,331 INFO L311 TraceCheckSpWp]: Computing backward predicates...
[2024-10-16 14:45:44,367 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2024-10-16 14:45:44,367 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1939165851] provided 1 perfect and 1 imperfect interpolant sequences
[2024-10-16 14:45:44,368 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences.
[2024-10-16 14:45:44,368 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4, 4] total 8
[2024-10-16 14:45:44,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [183091471]
[2024-10-16 14:45:44,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-10-16 14:45:44,368 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-10-16 14:45:44,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-10-16 14:45:44,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-10-16 14:45:44,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72
[2024-10-16 14:45:44,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-10-16 14:45:44,369 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-10-16 14:45:44,370 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 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)
[2024-10-16 14:45:44,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states.
[2024-10-16 14:45:44,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states.
[2024-10-16 14:45:44,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-10-16 14:45:44,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-10-16 14:45:44,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-10-16 14:45:44,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-10-16 14:45:44,475 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2024-10-16 14:45:44,660 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2
[2024-10-16 14:45:44,662 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2024-10-16 14:45:44,664 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-10-16 14:45:44,664 INFO L85 PathProgramCache]: Analyzing trace with hash 1636510475, now seen corresponding path program 1 times
[2024-10-16 14:45:44,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-16 14:45:44,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465379005]
[2024-10-16 14:45:44,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-16 14:45:44,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-16 14:45:44,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-16 14:45:44,756 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2024-10-16 14:45:44,756 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-10-16 14:45:44,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [465379005]
[2024-10-16 14:45:44,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [465379005] provided 1 perfect and 0 imperfect interpolant sequences
[2024-10-16 14:45:44,757 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-10-16 14:45:44,757 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-10-16 14:45:44,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [435081855]
[2024-10-16 14:45:44,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-10-16 14:45:44,757 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-10-16 14:45:44,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-10-16 14:45:44,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-10-16 14:45:44,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-10-16 14:45:44,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-10-16 14:45:44,758 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-10-16 14:45:44,758 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 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)
[2024-10-16 14:45:44,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states.
[2024-10-16 14:45:44,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states.
[2024-10-16 14:45:44,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states.
[2024-10-16 14:45:44,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-10-16 14:45:44,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-10-16 14:45:44,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-10-16 14:45:44,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-10-16 14:45:44,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-10-16 14:45:44,839 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-10-16 14:45:44,839 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2024-10-16 14:45:44,839 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-10-16 14:45:44,839 INFO L85 PathProgramCache]: Analyzing trace with hash -100898457, now seen corresponding path program 1 times
[2024-10-16 14:45:44,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-16 14:45:44,840 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660671998]
[2024-10-16 14:45:44,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-16 14:45:44,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-16 14:45:44,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-16 14:45:45,099 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2024-10-16 14:45:45,100 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-10-16 14:45:45,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [660671998]
[2024-10-16 14:45:45,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [660671998] provided 1 perfect and 0 imperfect interpolant sequences
[2024-10-16 14:45:45,100 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-10-16 14:45:45,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-10-16 14:45:45,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [106617670]
[2024-10-16 14:45:45,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-10-16 14:45:45,101 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-10-16 14:45:45,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-10-16 14:45:45,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-10-16 14:45:45,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-10-16 14:45:45,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-10-16 14:45:45,103 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-10-16 14:45:45,103 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 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)
[2024-10-16 14:45:45,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states.
[2024-10-16 14:45:45,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states.
[2024-10-16 14:45:45,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states.
[2024-10-16 14:45:45,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states.
[2024-10-16 14:45:45,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-10-16 14:45:45,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-10-16 14:45:45,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-10-16 14:45:45,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-10-16 14:45:45,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-10-16 14:45:45,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-10-16 14:45:45,169 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-10-16 14:45:45,169 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2024-10-16 14:45:45,170 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-10-16 14:45:45,170 INFO L85 PathProgramCache]: Analyzing trace with hash -849882632, now seen corresponding path program 1 times
[2024-10-16 14:45:45,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-16 14:45:45,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1245150060]
[2024-10-16 14:45:45,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-16 14:45:45,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-16 14:45:45,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-16 14:45:45,532 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2024-10-16 14:45:45,532 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-10-16 14:45:45,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1245150060]
[2024-10-16 14:45:45,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1245150060] provided 1 perfect and 0 imperfect interpolant sequences
[2024-10-16 14:45:45,532 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-10-16 14:45:45,532 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-10-16 14:45:45,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586522830]
[2024-10-16 14:45:45,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-10-16 14:45:45,533 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-10-16 14:45:45,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-10-16 14:45:45,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-10-16 14:45:45,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-10-16 14:45:45,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-10-16 14:45:45,533 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-10-16 14:45:45,533 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 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)
[2024-10-16 14:45:45,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states.
[2024-10-16 14:45:45,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states.
[2024-10-16 14:45:45,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states.
[2024-10-16 14:45:45,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states.
[2024-10-16 14:45:45,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states.
[2024-10-16 14:45:45,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-10-16 14:45:45,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-10-16 14:45:45,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-10-16 14:45:45,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-10-16 14:45:45,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-10-16 14:45:45,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-10-16 14:45:45,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-10-16 14:45:45,626 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-10-16 14:45:45,626 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2024-10-16 14:45:45,626 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-10-16 14:45:45,626 INFO L85 PathProgramCache]: Analyzing trace with hash -1479864508, now seen corresponding path program 1 times
[2024-10-16 14:45:45,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-16 14:45:45,627 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533739258]
[2024-10-16 14:45:45,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-16 14:45:45,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-16 14:45:45,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-16 14:45:47,218 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2024-10-16 14:45:47,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-10-16 14:45:47,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1533739258]
[2024-10-16 14:45:47,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1533739258] provided 0 perfect and 1 imperfect interpolant sequences
[2024-10-16 14:45:47,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [998684499]
[2024-10-16 14:45:47,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-16 14:45:47,219 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-10-16 14:45:47,219 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-10-16 14:45:47,221 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)
[2024-10-16 14:45:47,222 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2024-10-16 14:45:47,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-16 14:45:47,350 INFO L255 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 56 conjuncts are in the unsatisfiable core
[2024-10-16 14:45:47,356 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-10-16 14:45:47,395 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5
[2024-10-16 14:45:47,438 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size
[2024-10-16 14:45:47,438 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11
[2024-10-16 14:45:47,475 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1
[2024-10-16 14:45:47,520 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1
[2024-10-16 14:45:47,529 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1
[2024-10-16 14:45:47,534 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1
[2024-10-16 14:45:47,943 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27
[2024-10-16 14:45:47,949 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15
[2024-10-16 14:45:48,005 INFO L349 Elim1Store]: treesize reduction 80, result has 44.8 percent of original size
[2024-10-16 14:45:48,005 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 59 treesize of output 83
[2024-10-16 14:45:48,026 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2024-10-16 14:45:48,026 INFO L311 TraceCheckSpWp]: Computing backward predicates...
[2024-10-16 14:45:53,063 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 155 treesize of output 151
[2024-10-16 14:45:53,081 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-10-16 14:45:53,081 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 576 treesize of output 538
[2024-10-16 14:45:53,090 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 508 treesize of output 492
[2024-10-16 14:45:53,106 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-10-16 14:45:53,107 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 1568 treesize of output 1326
[2024-10-16 14:45:59,987 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-10-16 14:45:59,988 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 486 treesize of output 270
[2024-10-16 14:46:00,866 INFO L349 Elim1Store]: treesize reduction 13, result has 98.4 percent of original size
[2024-10-16 14:46:00,866 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 13 new quantified variables, introduced 45 case distinctions, treesize of input 831 treesize of output 1356
[2024-10-16 14:46:01,015 INFO L173 IndexEqualityManager]: detected equality via solver
[2024-10-16 14:46:01,021 INFO L173 IndexEqualityManager]: detected equality via solver
[2024-10-16 14:46:01,491 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-10-16 14:46:01,491 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 2 disjoint index pairs (out of 45 index pairs), introduced 13 new quantified variables, introduced 43 case distinctions, treesize of input 1026 treesize of output 1200
[2024-10-16 14:47:40,858 WARN L249 Executor]: External (MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) stderr output: (error "out of memory")
[2024-10-16 14:47:40,860 WARN L320 FreeRefinementEngine]: Global settings require throwing the following exception
[2024-10-16 14:47:40,860 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 101
[2024-10-16 14:47:40,873 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0
[2024-10-16 14:47:41,060 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-10-16 14:47:41,061 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver:
de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory")
at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262)
at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseSuccess(Executor.java:277)
at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.push(Scriptor.java:133)
at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.arrays.DiffWrapperScript.push(DiffWrapperScript.java:90)
at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.push(WrapperScript.java:148)
at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.push(HistoryRecordingScript.java:107)
at de.uni_freiburg.informatik.ultimate.logic.Util.checkSat(Util.java:48)
at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.checkRedundancy(SimplifyDDA2.java:275)
at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.convertForPreprocessedInputTerms(SimplifyDDA2.java:499)
at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.convert(SimplifyDDA2.java:484)
at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.convert(SimplifyDDA2.java:1)
at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:88)
at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84)
at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.simplify(SimplifyDDA2.java:590)
at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:245)
at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplifyWithStatistics(SmtUtils.java:318)
at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify(QuantifierPusher.java:728)
at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:133)
at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1)
at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:209)
at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:100)
at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84)
at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:297)
at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.pushMinionEliminatees(QuantifierPushUtilsForSubsetPush.java:255)
at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.sequentialSubsetPush(QuantifierPushUtilsForSubsetPush.java:151)
at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:337)
at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:189)
at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1)
at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:209)
at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:100)
at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84)
at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:297)
at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:283)
at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.eliminate(PartialQuantifierElimination.java:51)
at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:234)
at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:416)
at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:395)
at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:267)
at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:324)
at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:180)
at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.<init>(TraceCheckSpWp.java:159)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77)
at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:267)
at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:148)
at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:137)
at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.<init>(AutomatonFreeRefinementEngine.java:85)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.<init>(TraceAbstractionRefinementEngine.java:82)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:309)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.PartialOrderCegarLoop.isCounterexampleFeasible(PartialOrderCegarLoop.java:431)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:407)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:342)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:324)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:421)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:307)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:231)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:160)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.<init>(TraceAbstractionStarter.java:141)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145)
at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63)
Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF
at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1518)
at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:701)
at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383)
at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:258)
... 70 more
[2024-10-16 14:47:41,066 INFO L158 Benchmark]: Toolchain (without parser) took 119580.49ms. Allocated memory was 62.9MB in the beginning and 1.6GB in the end (delta: 1.5GB). Free memory was 32.9MB in the beginning and 1.1GB in the end (delta: -1.1GB). Peak memory consumption was 988.2MB. Max. memory is 16.1GB.
[2024-10-16 14:47:41,066 INFO L158 Benchmark]: CDTParser took 0.08ms. Allocated memory is still 48.2MB. Free memory was 28.4MB in the beginning and 28.3MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-10-16 14:47:41,069 INFO L158 Benchmark]: CACSL2BoogieTranslator took 270.36ms. Allocated memory is still 62.9MB. Free memory was 32.7MB in the beginning and 37.5MB in the end (delta: -4.9MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB.
[2024-10-16 14:47:41,069 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.94ms. Allocated memory is still 62.9MB. Free memory was 37.5MB in the beginning and 34.5MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2024-10-16 14:47:41,069 INFO L158 Benchmark]: Boogie Preprocessor took 49.80ms. Allocated memory is still 62.9MB. Free memory was 34.5MB in the beginning and 32.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-10-16 14:47:41,069 INFO L158 Benchmark]: RCFGBuilder took 959.10ms. Allocated memory was 62.9MB in the beginning and 81.8MB in the end (delta: 18.9MB). Free memory was 31.8MB in the beginning and 44.9MB in the end (delta: -13.0MB). Peak memory consumption was 25.3MB. Max. memory is 16.1GB.
[2024-10-16 14:47:41,070 INFO L158 Benchmark]: TraceAbstraction took 118256.35ms. Allocated memory was 81.8MB in the beginning and 1.6GB in the end (delta: 1.5GB). Free memory was 43.8MB in the beginning and 1.1GB in the end (delta: -1.1GB). Peak memory consumption was 980.6MB. Max. memory is 16.1GB.
[2024-10-16 14:47:41,071 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.08ms. Allocated memory is still 48.2MB. Free memory was 28.4MB in the beginning and 28.3MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 270.36ms. Allocated memory is still 62.9MB. Free memory was 32.7MB in the beginning and 37.5MB in the end (delta: -4.9MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 39.94ms. Allocated memory is still 62.9MB. Free memory was 37.5MB in the beginning and 34.5MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 49.80ms. Allocated memory is still 62.9MB. Free memory was 34.5MB in the beginning and 32.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 959.10ms. Allocated memory was 62.9MB in the beginning and 81.8MB in the end (delta: 18.9MB). Free memory was 31.8MB in the beginning and 44.9MB in the end (delta: -13.0MB). Peak memory consumption was 25.3MB. Max. memory is 16.1GB.
* TraceAbstraction took 118256.35ms. Allocated memory was 81.8MB in the beginning and 1.6GB in the end (delta: 1.5GB). Free memory was 43.8MB in the beginning and 1.1GB in the end (delta: -1.1GB). Peak memory consumption was 980.6MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- ExceptionOrErrorResult: SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory")
de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory")
: de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262)
RESULT: Ultimate could not prove your program: Toolchain returned no result.
[2024-10-16 14:47:41,093 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
Received shutdown request...
### Bit-precise run ###
This is Ultimate 0.2.5-wip.dk.conditional-comm-b86fb0b-m
[2024-10-16 14:47:42,867 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-10-16 14:47:42,921 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf
[2024-10-16 14:47:42,924 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-10-16 14:47:42,925 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-10-16 14:47:42,949 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-10-16 14:47:42,950 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-10-16 14:47:42,950 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-10-16 14:47:42,952 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-10-16 14:47:42,952 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-10-16 14:47:42,953 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-10-16 14:47:42,953 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-10-16 14:47:42,953 INFO L153 SettingsManager]: * Use SBE=true
[2024-10-16 14:47:42,953 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-10-16 14:47:42,953 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-10-16 14:47:42,954 INFO L153 SettingsManager]: * sizeof long=4
[2024-10-16 14:47:42,954 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-10-16 14:47:42,954 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-10-16 14:47:42,954 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-10-16 14:47:42,954 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-10-16 14:47:42,955 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-10-16 14:47:42,955 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true
[2024-10-16 14:47:42,955 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-10-16 14:47:42,955 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution
[2024-10-16 14:47:42,955 INFO L153 SettingsManager]: * sizeof long double=12
[2024-10-16 14:47:42,956 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-10-16 14:47:42,956 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-10-16 14:47:42,956 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-10-16 14:47:42,956 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-10-16 14:47:42,956 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-10-16 14:47:42,956 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-10-16 14:47:42,957 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-10-16 14:47:42,957 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-10-16 14:47:42,957 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-10-16 14:47:42,957 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP
[2024-10-16 14:47:42,957 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-10-16 14:47:42,957 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-10-16 14:47:42,958 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER
[2024-10-16 14:47:42,958 INFO L153 SettingsManager]: * Logic for external solver=AUFBV
[2024-10-16 14:47:42,958 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-10-16 14:47:42,958 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF
[2024-10-16 14:47:42,958 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2024-10-16 14:47:42,958 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE
[2024-10-16 14:47:42,959 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.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6fdb5189ea0a06d32886b44c2108d225ef2901fa5113fdc3856a252d0f653190
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 -> COUNTEREXAMPLE
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> DEFAULT
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: TraceCheck mode for conditional commutativity -> SYMBOLIC_RELATION
[2024-10-16 14:47:43,201 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-10-16 14:47:43,221 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-10-16 14:47:43,223 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-10-16 14:47:43,224 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-10-16 14:47:43,224 INFO L274 PluginConnector]: CDTParser initialized
[2024-10-16 14:47:43,225 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-bad-dot-product-alt.wvr.c
[2024-10-16 14:47:44,492 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-10-16 14:47:44,645 INFO L384 CDTParser]: Found 1 translation units.
[2024-10-16 14:47:44,646 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-dot-product-alt.wvr.c
[2024-10-16 14:47:44,654 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/3fd511819/f1470d1250c0443bb58bc7e8a9357814/FLAGb6aec80ab
[2024-10-16 14:47:44,666 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/3fd511819/f1470d1250c0443bb58bc7e8a9357814
[2024-10-16 14:47:44,668 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-10-16 14:47:44,669 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-10-16 14:47:44,670 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-10-16 14:47:44,670 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-10-16 14:47:44,674 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-10-16 14:47:44,676 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:47:44" (1/1) ...
[2024-10-16 14:47:44,677 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ba8c83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:47:44, skipping insertion in model container
[2024-10-16 14:47:44,677 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:47:44" (1/1) ...
[2024-10-16 14:47:44,699 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-10-16 14:47:44,873 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-dot-product-alt.wvr.c[3221,3234]
[2024-10-16 14:47:44,885 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-10-16 14:47:44,897 INFO L200 MainTranslator]: Completed pre-run
[2024-10-16 14:47:44,923 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-dot-product-alt.wvr.c[3221,3234]
[2024-10-16 14:47:44,929 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-10-16 14:47:44,957 INFO L204 MainTranslator]: Completed translation
[2024-10-16 14:47:44,958 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:47:44 WrapperNode
[2024-10-16 14:47:44,958 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-10-16 14:47:44,959 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-10-16 14:47:44,959 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-10-16 14:47:44,959 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-10-16 14:47:44,964 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:47:44" (1/1) ...
[2024-10-16 14:47:44,975 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:47:44" (1/1) ...
[2024-10-16 14:47:45,008 INFO L138 Inliner]: procedures = 29, calls = 59, calls flagged for inlining = 18, calls inlined = 26, statements flattened = 350
[2024-10-16 14:47:45,009 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-10-16 14:47:45,010 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-10-16 14:47:45,010 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-10-16 14:47:45,010 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-10-16 14:47:45,017 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:47:44" (1/1) ...
[2024-10-16 14:47:45,018 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:47:44" (1/1) ...
[2024-10-16 14:47:45,026 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:47:44" (1/1) ...
[2024-10-16 14:47:45,029 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:47:44" (1/1) ...
[2024-10-16 14:47:45,047 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:47:44" (1/1) ...
[2024-10-16 14:47:45,051 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:47:44" (1/1) ...
[2024-10-16 14:47:45,053 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:47:44" (1/1) ...
[2024-10-16 14:47:45,054 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:47:44" (1/1) ...
[2024-10-16 14:47:45,060 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-10-16 14:47:45,062 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-10-16 14:47:45,062 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-10-16 14:47:45,062 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-10-16 14:47:45,063 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:47:44" (1/1) ...
[2024-10-16 14:47:45,067 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-10-16 14:47:45,076 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-10-16 14:47:45,088 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)
[2024-10-16 14:47:45,090 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
[2024-10-16 14:47:45,129 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-10-16 14:47:45,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1
[2024-10-16 14:47:45,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2024-10-16 14:47:45,130 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4
[2024-10-16 14:47:45,130 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2024-10-16 14:47:45,130 INFO L130 BoogieDeclarations]: Found specification of procedure thread1
[2024-10-16 14:47:45,130 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1
[2024-10-16 14:47:45,130 INFO L130 BoogieDeclarations]: Found specification of procedure thread2
[2024-10-16 14:47:45,130 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2
[2024-10-16 14:47:45,131 INFO L130 BoogieDeclarations]: Found specification of procedure thread3
[2024-10-16 14:47:45,131 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3
[2024-10-16 14:47:45,131 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2024-10-16 14:47:45,131 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2024-10-16 14:47:45,131 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2024-10-16 14:47:45,131 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-10-16 14:47:45,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-10-16 14:47:45,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4
[2024-10-16 14:47:45,132 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement.
[2024-10-16 14:47:45,259 INFO L238 CfgBuilder]: Building ICFG
[2024-10-16 14:47:45,261 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-10-16 14:47:45,766 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program.
[2024-10-16 14:47:45,767 INFO L287 CfgBuilder]: Performing block encoding
[2024-10-16 14:47:46,124 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-10-16 14:47:46,124 INFO L314 CfgBuilder]: Removed 7 assume(true) statements.
[2024-10-16 14:47:46,125 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:47:46 BoogieIcfgContainer
[2024-10-16 14:47:46,125 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-10-16 14:47:46,127 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-10-16 14:47:46,127 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-10-16 14:47:46,129 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-10-16 14:47:46,129 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 02:47:44" (1/3) ...
[2024-10-16 14:47:46,130 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31be2805 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:47:46, skipping insertion in model container
[2024-10-16 14:47:46,130 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:47:44" (2/3) ...
[2024-10-16 14:47:46,131 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31be2805 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:47:46, skipping insertion in model container
[2024-10-16 14:47:46,131 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:47:46" (3/3) ...
[2024-10-16 14:47:46,132 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-bad-dot-product-alt.wvr.c
[2024-10-16 14:47:46,145 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-10-16 14:47:46,145 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-10-16 14:47:46,145 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-10-16 14:47:46,213 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions.
[2024-10-16 14:47:46,247 INFO L106 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-10-16 14:47:46,248 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2024-10-16 14:47:46,248 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-10-16 14:47:46,249 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)
[2024-10-16 14:47:46,251 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
[2024-10-16 14:47:46,338 INFO L194 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations.
[2024-10-16 14:47:46,348 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-10-16 14:47:46,350 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ========
[2024-10-16 14:47:46,354 INFO L333 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, 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;@71ae5843, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=COUNTEREXAMPLE, mConComCheckerCriterion=DEFAULT, mConComCheckerTraceCheckMode=SYMBOLIC_RELATION, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false
[2024-10-16 14:47:46,354 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations.
[2024-10-16 14:47:46,697 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2024-10-16 14:47:46,699 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-10-16 14:47:46,699 INFO L85 PathProgramCache]: Analyzing trace with hash -229794534, now seen corresponding path program 1 times
[2024-10-16 14:47:46,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-10-16 14:47:46,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [384869726]
[2024-10-16 14:47:46,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-16 14:47:46,711 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-10-16 14:47:46,711 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat
[2024-10-16 14:47:46,731 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-10-16 14:47:46,732 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process
[2024-10-16 14:47:46,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-16 14:47:46,841 INFO L255 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-10-16 14:47:46,845 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-10-16 14:47:46,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-10-16 14:47:46,930 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-10-16 14:47:46,930 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2024-10-16 14:47:46,930 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [384869726]
[2024-10-16 14:47:46,931 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [384869726] provided 1 perfect and 0 imperfect interpolant sequences
[2024-10-16 14:47:46,931 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-10-16 14:47:46,931 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-10-16 14:47:46,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173472572]
[2024-10-16 14:47:46,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-10-16 14:47:46,935 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-10-16 14:47:46,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2024-10-16 14:47:46,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-10-16 14:47:46,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-10-16 14:47:46,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-10-16 14:47:46,966 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-10-16 14:47:46,967 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 2 states have internal predecessors, (21), 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)
[2024-10-16 14:47:46,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-10-16 14:47:47,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-10-16 14:47:47,055 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0
[2024-10-16 14:47:47,252 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-10-16 14:47:47,252 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2024-10-16 14:47:47,253 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-10-16 14:47:47,253 INFO L85 PathProgramCache]: Analyzing trace with hash 992896744, now seen corresponding path program 1 times
[2024-10-16 14:47:47,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-10-16 14:47:47,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [130057940]
[2024-10-16 14:47:47,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-16 14:47:47,253 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-10-16 14:47:47,254 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat
[2024-10-16 14:47:47,256 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-10-16 14:47:47,257 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process
[2024-10-16 14:47:47,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-16 14:47:47,374 INFO L255 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 6 conjuncts are in the unsatisfiable core
[2024-10-16 14:47:47,375 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-10-16 14:47:47,460 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-10-16 14:47:47,461 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-10-16 14:47:47,461 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2024-10-16 14:47:47,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [130057940]
[2024-10-16 14:47:47,461 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [130057940] provided 1 perfect and 0 imperfect interpolant sequences
[2024-10-16 14:47:47,461 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-10-16 14:47:47,461 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-10-16 14:47:47,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707284471]
[2024-10-16 14:47:47,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-10-16 14:47:47,462 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-10-16 14:47:47,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2024-10-16 14:47:47,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-10-16 14:47:47,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-10-16 14:47:47,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-10-16 14:47:47,464 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-10-16 14:47:47,464 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 4 states have internal predecessors, (24), 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)
[2024-10-16 14:47:47,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states.
[2024-10-16 14:47:47,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-10-16 14:47:47,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-10-16 14:47:47,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-10-16 14:47:47,633 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0
[2024-10-16 14:47:47,826 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-10-16 14:47:47,827 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2024-10-16 14:47:47,828 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-10-16 14:47:47,828 INFO L85 PathProgramCache]: Analyzing trace with hash -1286292624, now seen corresponding path program 1 times
[2024-10-16 14:47:47,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-10-16 14:47:47,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1906970588]
[2024-10-16 14:47:47,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-16 14:47:47,828 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-10-16 14:47:47,829 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat
[2024-10-16 14:47:47,831 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-10-16 14:47:47,832 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process
[2024-10-16 14:47:47,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-16 14:47:47,940 INFO L255 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 9 conjuncts are in the unsatisfiable core
[2024-10-16 14:47:47,941 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-10-16 14:47:48,112 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-10-16 14:47:48,112 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-10-16 14:47:48,113 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2024-10-16 14:47:48,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1906970588]
[2024-10-16 14:47:48,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1906970588] provided 1 perfect and 0 imperfect interpolant sequences
[2024-10-16 14:47:48,113 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-10-16 14:47:48,113 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-10-16 14:47:48,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832403291]
[2024-10-16 14:47:48,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-10-16 14:47:48,114 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-10-16 14:47:48,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2024-10-16 14:47:48,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-10-16 14:47:48,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42
[2024-10-16 14:47:48,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-10-16 14:47:48,115 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-10-16 14:47:48,116 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 6 states have internal predecessors, (24), 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)
[2024-10-16 14:47:48,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states.
[2024-10-16 14:47:48,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states.
[2024-10-16 14:47:48,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-10-16 14:47:48,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-10-16 14:47:48,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-10-16 14:47:48,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2024-10-16 14:47:48,391 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0
[2024-10-16 14:47:48,585 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-10-16 14:47:48,586 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2024-10-16 14:47:48,587 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-10-16 14:47:48,587 INFO L85 PathProgramCache]: Analyzing trace with hash -1456048818, now seen corresponding path program 1 times
[2024-10-16 14:47:48,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-10-16 14:47:48,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1436667464]
[2024-10-16 14:47:48,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-16 14:47:48,588 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-10-16 14:47:48,588 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat
[2024-10-16 14:47:48,592 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-10-16 14:47:48,593 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process
[2024-10-16 14:47:48,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-16 14:47:48,711 INFO L255 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 9 conjuncts are in the unsatisfiable core
[2024-10-16 14:47:48,712 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-10-16 14:47:48,736 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2024-10-16 14:47:48,736 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-10-16 14:47:48,736 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2024-10-16 14:47:48,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1436667464]
[2024-10-16 14:47:48,737 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1436667464] provided 1 perfect and 0 imperfect interpolant sequences
[2024-10-16 14:47:48,737 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-10-16 14:47:48,737 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-10-16 14:47:48,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1231160202]
[2024-10-16 14:47:48,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-10-16 14:47:48,737 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-10-16 14:47:48,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2024-10-16 14:47:48,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-10-16 14:47:48,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-10-16 14:47:48,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-10-16 14:47:48,738 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-10-16 14:47:48,738 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 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)
[2024-10-16 14:47:48,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states.
[2024-10-16 14:47:48,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states.
[2024-10-16 14:47:48,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states.
[2024-10-16 14:47:48,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-10-16 14:47:48,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-10-16 14:47:48,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-10-16 14:47:48,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2024-10-16 14:47:48,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-10-16 14:47:48,965 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0
[2024-10-16 14:47:49,161 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-10-16 14:47:49,161 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2024-10-16 14:47:49,162 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-10-16 14:47:49,162 INFO L85 PathProgramCache]: Analyzing trace with hash -1866931877, now seen corresponding path program 1 times
[2024-10-16 14:47:49,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-10-16 14:47:49,163 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1886954569]
[2024-10-16 14:47:49,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-16 14:47:49,163 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-10-16 14:47:49,163 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat
[2024-10-16 14:47:49,164 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-10-16 14:47:49,165 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process
[2024-10-16 14:47:49,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-16 14:47:49,312 INFO L255 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 10 conjuncts are in the unsatisfiable core
[2024-10-16 14:47:49,315 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-10-16 14:47:49,373 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2024-10-16 14:47:49,374 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-10-16 14:47:49,374 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2024-10-16 14:47:49,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1886954569]
[2024-10-16 14:47:49,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1886954569] provided 1 perfect and 0 imperfect interpolant sequences
[2024-10-16 14:47:49,375 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-10-16 14:47:49,375 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-10-16 14:47:49,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [796710863]
[2024-10-16 14:47:49,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-10-16 14:47:49,375 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-10-16 14:47:49,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2024-10-16 14:47:49,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-10-16 14:47:49,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-10-16 14:47:49,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-10-16 14:47:49,377 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-10-16 14:47:49,377 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 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)
[2024-10-16 14:47:49,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states.
[2024-10-16 14:47:49,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states.
[2024-10-16 14:47:49,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states.
[2024-10-16 14:47:49,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states.
[2024-10-16 14:47:49,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-10-16 14:47:49,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-10-16 14:47:49,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-10-16 14:47:49,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2024-10-16 14:47:49,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-10-16 14:47:49,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-10-16 14:47:49,516 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0
[2024-10-16 14:47:49,712 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-10-16 14:47:49,713 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2024-10-16 14:47:49,713 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-10-16 14:47:49,714 INFO L85 PathProgramCache]: Analyzing trace with hash -1268302740, now seen corresponding path program 1 times
[2024-10-16 14:47:49,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-10-16 14:47:49,714 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [493297710]
[2024-10-16 14:47:49,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-16 14:47:49,714 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-10-16 14:47:49,714 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat
[2024-10-16 14:47:49,717 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-10-16 14:47:49,718 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process
[2024-10-16 14:47:49,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-16 14:47:49,882 INFO L255 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 10 conjuncts are in the unsatisfiable core
[2024-10-16 14:47:49,885 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-10-16 14:47:49,948 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2024-10-16 14:47:49,948 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-10-16 14:47:49,949 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2024-10-16 14:47:49,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [493297710]
[2024-10-16 14:47:49,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [493297710] provided 1 perfect and 0 imperfect interpolant sequences
[2024-10-16 14:47:49,949 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-10-16 14:47:49,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-10-16 14:47:49,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [444975467]
[2024-10-16 14:47:49,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-10-16 14:47:49,949 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-10-16 14:47:49,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2024-10-16 14:47:49,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-10-16 14:47:49,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-10-16 14:47:49,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-10-16 14:47:49,950 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-10-16 14:47:49,950 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 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)
[2024-10-16 14:47:49,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states.
[2024-10-16 14:47:49,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states.
[2024-10-16 14:47:49,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states.
[2024-10-16 14:47:49,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states.
[2024-10-16 14:47:49,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states.
[2024-10-16 14:47:49,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-10-16 14:47:50,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-10-16 14:47:50,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-10-16 14:47:50,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2024-10-16 14:47:50,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-10-16 14:47:50,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-10-16 14:47:50,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-10-16 14:47:50,148 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0
[2024-10-16 14:47:50,343 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-10-16 14:47:50,344 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2024-10-16 14:47:50,344 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-10-16 14:47:50,345 INFO L85 PathProgramCache]: Analyzing trace with hash -350913460, now seen corresponding path program 1 times
[2024-10-16 14:47:50,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-10-16 14:47:50,345 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [932231138]
[2024-10-16 14:47:50,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-16 14:47:50,345 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-10-16 14:47:50,345 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat
[2024-10-16 14:47:50,349 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-10-16 14:47:50,353 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process
[2024-10-16 14:47:50,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-16 14:47:50,568 INFO L255 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 34 conjuncts are in the unsatisfiable core
[2024-10-16 14:47:50,571 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-10-16 14:47:51,450 INFO L173 IndexEqualityManager]: detected equality via solver
[2024-10-16 14:49:00,022 WARN L286 SmtUtils]: Spent 1.14m on a formula simplification. DAG size of input: 67 DAG size of output: 49 (called from [L 346] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1)
[2024-10-16 14:49:00,022 INFO L349 Elim1Store]: treesize reduction 82, result has 47.1 percent of original size
[2024-10-16 14:49:00,023 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 10 new quantified variables, introduced 15 case distinctions, treesize of input 99 treesize of output 137
[2024-10-16 14:49:00,038 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 131 treesize of output 99
[2024-10-16 14:49:00,045 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 67
[2024-10-16 14:49:00,097 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-10-16 14:49:00,097 INFO L311 TraceCheckSpWp]: Computing backward predicates...
[2024-10-16 14:49:02,234 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-10-16 14:49:02,235 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 103 treesize of output 100
[2024-10-16 14:49:02,255 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-10-16 14:49:02,255 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 71 treesize of output 68
[2024-10-16 14:49:14,692 WARN L249 Executor]: External (MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) stderr output: (error "out of memory")
[2024-10-16 14:49:14,692 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 101
[2024-10-16 14:49:14,693 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2024-10-16 14:49:14,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [932231138]
[2024-10-16 14:49:14,694 WARN L320 FreeRefinementEngine]: Global settings require throwing the following exception
[2024-10-16 14:49:14,700 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Ended with exit code 0
[2024-10-16 14:49:14,894 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-10-16 14:49:14,895 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver:
de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory")
at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262)
at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:281)
at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155)
at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163)
at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163)
at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.checkSat(ManagedScript.java:148)
at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.MonolithicImplicationChecker.checkImplication(MonolithicImplicationChecker.java:85)
at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.compare(PredicateUnifier.java:912)
at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.<init>(PredicateUnifier.java:786)
at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:374)
at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:323)
at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp$UnifyPostprocessor.postprocess(TraceCheckSpWp.java:553)
at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:416)
at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:395)
at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:267)
at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:324)
at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:180)
at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.<init>(TraceCheckSpWp.java:159)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57)
at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:210)
at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:121)
at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.<init>(AutomatonFreeRefinementEngine.java:85)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.<init>(TraceAbstractionRefinementEngine.java:82)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:309)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.PartialOrderCegarLoop.isCounterexampleFeasible(PartialOrderCegarLoop.java:431)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:407)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:342)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:324)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:421)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:307)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:231)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:160)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.<init>(TraceAbstractionStarter.java:141)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145)
at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63)
Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF
at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1518)
at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:701)
at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383)
at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:258)
... 46 more
[2024-10-16 14:49:14,898 INFO L158 Benchmark]: Toolchain (without parser) took 90228.74ms. Allocated memory was 62.9MB in the beginning and 148.9MB in the end (delta: 86.0MB). Free memory was 41.6MB in the beginning and 101.2MB in the end (delta: -59.6MB). Peak memory consumption was 26.4MB. Max. memory is 16.1GB.
[2024-10-16 14:49:14,898 INFO L158 Benchmark]: CDTParser took 0.70ms. Allocated memory is still 62.9MB. Free memory is still 39.2MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-10-16 14:49:14,899 INFO L158 Benchmark]: CACSL2BoogieTranslator took 288.34ms. Allocated memory was 62.9MB in the beginning and 83.9MB in the end (delta: 21.0MB). Free memory was 41.4MB in the beginning and 64.5MB in the end (delta: -23.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB.
[2024-10-16 14:49:14,899 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.56ms. Allocated memory is still 83.9MB. Free memory was 64.1MB in the beginning and 61.4MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-10-16 14:49:14,900 INFO L158 Benchmark]: Boogie Preprocessor took 50.65ms. Allocated memory is still 83.9MB. Free memory was 61.4MB in the beginning and 58.6MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-10-16 14:49:14,900 INFO L158 Benchmark]: RCFGBuilder took 1063.46ms. Allocated memory was 83.9MB in the beginning and 102.8MB in the end (delta: 18.9MB). Free memory was 58.5MB in the beginning and 53.2MB in the end (delta: 5.3MB). Peak memory consumption was 37.0MB. Max. memory is 16.1GB.
[2024-10-16 14:49:14,900 INFO L158 Benchmark]: TraceAbstraction took 88770.66ms. Allocated memory was 102.8MB in the beginning and 148.9MB in the end (delta: 46.1MB). Free memory was 51.8MB in the beginning and 101.2MB in the end (delta: -49.4MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-10-16 14:49:14,902 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.70ms. Allocated memory is still 62.9MB. Free memory is still 39.2MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 288.34ms. Allocated memory was 62.9MB in the beginning and 83.9MB in the end (delta: 21.0MB). Free memory was 41.4MB in the beginning and 64.5MB in the end (delta: -23.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 50.56ms. Allocated memory is still 83.9MB. Free memory was 64.1MB in the beginning and 61.4MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 50.65ms. Allocated memory is still 83.9MB. Free memory was 61.4MB in the beginning and 58.6MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 1063.46ms. Allocated memory was 83.9MB in the beginning and 102.8MB in the end (delta: 18.9MB). Free memory was 58.5MB in the beginning and 53.2MB in the end (delta: 5.3MB). Peak memory consumption was 37.0MB. Max. memory is 16.1GB.
* TraceAbstraction took 88770.66ms. Allocated memory was 102.8MB in the beginning and 148.9MB in the end (delta: 46.1MB). Free memory was 51.8MB in the beginning and 101.2MB in the end (delta: -49.4MB). There was no memory consumed. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- ExceptionOrErrorResult: SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory")
de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory")
: de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262)
RESULT: Ultimate could not prove your program: Toolchain returned no result.
[2024-10-16 14:49:14,925 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
Received shutdown request...