/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-Lazy-NoForkJoinOpt.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/regression/showcase/Fischer.bpl


--------------------------------------------------------------------------------


This is Ultimate 0.2.2-wip.dk.mcr-reduction-4b0ab11
[2022-03-02 03:29:29,434 INFO  L177        SettingsManager]: Resetting all preferences to default values...
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[2022-03-02 03:29:29,517 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2022-03-02 03:29:29,518 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-Lazy-NoForkJoinOpt.epf
[2022-03-02 03:29:29,541 INFO  L113        SettingsManager]: Loading preferences was successful
[2022-03-02 03:29:29,541 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2022-03-02 03:29:29,542 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-03-02 03:29:29,542 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-03-02 03:29:29,543 INFO  L136        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-03-02 03:29:29,543 INFO  L138        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-03-02 03:29:29,549 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-03-02 03:29:29,549 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2022-03-02 03:29:29,549 INFO  L138        SettingsManager]:  * Use SBE=true
[2022-03-02 03:29:29,549 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-03-02 03:29:29,550 INFO  L138        SettingsManager]:  * sizeof long=4
[2022-03-02 03:29:29,550 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2022-03-02 03:29:29,550 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2022-03-02 03:29:29,551 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2022-03-02 03:29:29,551 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2022-03-02 03:29:29,551 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-03-02 03:29:29,551 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2022-03-02 03:29:29,551 INFO  L138        SettingsManager]:  * sizeof long double=12
[2022-03-02 03:29:29,551 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2022-03-02 03:29:29,551 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2022-03-02 03:29:29,551 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2022-03-02 03:29:29,551 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-03-02 03:29:29,552 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2022-03-02 03:29:29,552 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2022-03-02 03:29:29,552 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2022-03-02 03:29:29,552 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-03-02 03:29:29,552 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-03-02 03:29:29,553 INFO  L138        SettingsManager]:  * Construct finite automaton lazily=true
[2022-03-02 03:29:29,553 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2022-03-02 03:29:29,553 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-03-02 03:29:29,553 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2022-03-02 03:29:29,553 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-03-02 03:29:29,553 INFO  L138        SettingsManager]:  * Large block encoding in concurrent analysis=OFF
[2022-03-02 03:29:29,554 INFO  L138        SettingsManager]:  * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2022-03-02 03:29:29,554 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-03-02 03:29:29,554 INFO  L138        SettingsManager]:  * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS
[2022-03-02 03:29:29,554 INFO  L138        SettingsManager]:  * MCR: Optimize fork and join=false
[2022-03-02 03:29:29,554 INFO  L138        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/UAutomizer-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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2022-03-02 03:29:29,745 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2022-03-02 03:29:29,761 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-03-02 03:29:29,763 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-03-02 03:29:29,763 INFO  L271        PluginConnector]: Initializing Boogie PL CUP Parser...
[2022-03-02 03:29:29,768 INFO  L275        PluginConnector]: Boogie PL CUP Parser initialized
[2022-03-02 03:29:29,769 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/regression/showcase/Fischer.bpl
[2022-03-02 03:29:29,770 INFO  L110           BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/regression/showcase/Fischer.bpl'
[2022-03-02 03:29:29,790 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-03-02 03:29:29,791 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2022-03-02 03:29:29,792 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-03-02 03:29:29,792 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-03-02 03:29:29,793 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2022-03-02 03:29:29,802 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "Fischer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 03:29:29" (1/1) ...
[2022-03-02 03:29:29,808 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "Fischer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 03:29:29" (1/1) ...
[2022-03-02 03:29:29,814 INFO  L137                Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0
[2022-03-02 03:29:29,816 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-03-02 03:29:29,817 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-03-02 03:29:29,817 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2022-03-02 03:29:29,817 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2022-03-02 03:29:29,824 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "Fischer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 03:29:29" (1/1) ...
[2022-03-02 03:29:29,825 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "Fischer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 03:29:29" (1/1) ...
[2022-03-02 03:29:29,825 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "Fischer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 03:29:29" (1/1) ...
[2022-03-02 03:29:29,825 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "Fischer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 03:29:29" (1/1) ...
[2022-03-02 03:29:29,828 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "Fischer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 03:29:29" (1/1) ...
[2022-03-02 03:29:29,831 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "Fischer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 03:29:29" (1/1) ...
[2022-03-02 03:29:29,832 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "Fischer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 03:29:29" (1/1) ...
[2022-03-02 03:29:29,833 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-03-02 03:29:29,833 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-03-02 03:29:29,834 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2022-03-02 03:29:29,834 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2022-03-02 03:29:29,835 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "Fischer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 03:29:29" (1/1) ...
[2022-03-02 03:29:29,842 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-03-02 03:29:29,849 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-03-02 03:29:29,864 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2022-03-02 03:29:29,866 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2022-03-02 03:29:29,902 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure Process2 given in one single declaration
[2022-03-02 03:29:29,902 INFO  L130     BoogieDeclarations]: Found specification of procedure Process2
[2022-03-02 03:29:29,903 INFO  L138     BoogieDeclarations]: Found implementation of procedure Process2
[2022-03-02 03:29:29,903 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure Process1 given in one single declaration
[2022-03-02 03:29:29,903 INFO  L130     BoogieDeclarations]: Found specification of procedure Process1
[2022-03-02 03:29:29,903 INFO  L138     BoogieDeclarations]: Found implementation of procedure Process1
[2022-03-02 03:29:29,903 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration
[2022-03-02 03:29:29,903 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-03-02 03:29:29,903 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-03-02 03:29:29,903 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure Clock given in one single declaration
[2022-03-02 03:29:29,904 INFO  L130     BoogieDeclarations]: Found specification of procedure Clock
[2022-03-02 03:29:29,904 INFO  L138     BoogieDeclarations]: Found implementation of procedure Clock
[2022-03-02 03:29:29,905 WARN  L208             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2022-03-02 03:29:29,943 INFO  L234             CfgBuilder]: Building ICFG
[2022-03-02 03:29:29,944 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2022-03-02 03:29:30,095 INFO  L275             CfgBuilder]: Performing block encoding
[2022-03-02 03:29:30,102 INFO  L294             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-03-02 03:29:30,102 INFO  L299             CfgBuilder]: Removed 3 assume(true) statements.
[2022-03-02 03:29:30,104 INFO  L202        PluginConnector]: Adding new model Fischer.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.03 03:29:30 BoogieIcfgContainer
[2022-03-02 03:29:30,104 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-03-02 03:29:30,106 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-03-02 03:29:30,106 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2022-03-02 03:29:30,122 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2022-03-02 03:29:30,122 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "Fischer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 03:29:29" (1/2) ...
[2022-03-02 03:29:30,123 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3df373e6 and model type Fischer.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.03 03:29:30, skipping insertion in model container
[2022-03-02 03:29:30,123 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "Fischer.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.03 03:29:30" (2/2) ...
[2022-03-02 03:29:30,124 INFO  L111   eAbstractionObserver]: Analyzing ICFG Fischer.bpl
[2022-03-02 03:29:30,129 WARN  L150   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2022-03-02 03:29:30,129 INFO  L205   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-03-02 03:29:30,129 INFO  L164   ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations.
[2022-03-02 03:29:30,130 INFO  L534   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2022-03-02 03:29:30,175 WARN  L322   ript$VariableManager]: TermVariabe Process2Thread1of1ForFork2_deadline not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-03-02 03:29:30,176 WARN  L322   ript$VariableManager]: TermVariabe Process2Thread1of1ForFork2_deadline not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-03-02 03:29:30,177 WARN  L322   ript$VariableManager]: TermVariabe Process2Thread1of1ForFork2_deadline not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-03-02 03:29:30,177 WARN  L322   ript$VariableManager]: TermVariabe Process2Thread1of1ForFork2_deadline not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-03-02 03:29:30,177 WARN  L322   ript$VariableManager]: TermVariabe Process2Thread1of1ForFork2_deadline not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-03-02 03:29:30,184 WARN  L322   ript$VariableManager]: TermVariabe Process2Thread1of1ForFork2_deadline not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-03-02 03:29:30,184 WARN  L322   ript$VariableManager]: TermVariabe Process2Thread1of1ForFork2_deadline not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-03-02 03:29:30,185 WARN  L322   ript$VariableManager]: TermVariabe Process2Thread1of1ForFork2_deadline not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-03-02 03:29:30,187 WARN  L322   ript$VariableManager]: TermVariabe Process1Thread1of1ForFork1_deadline not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-03-02 03:29:30,188 WARN  L322   ript$VariableManager]: TermVariabe Process1Thread1of1ForFork1_deadline not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-03-02 03:29:30,189 WARN  L322   ript$VariableManager]: TermVariabe Process1Thread1of1ForFork1_deadline not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-03-02 03:29:30,189 WARN  L322   ript$VariableManager]: TermVariabe Process1Thread1of1ForFork1_deadline not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-03-02 03:29:30,189 WARN  L322   ript$VariableManager]: TermVariabe Process1Thread1of1ForFork1_deadline not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-03-02 03:29:30,189 WARN  L322   ript$VariableManager]: TermVariabe Process1Thread1of1ForFork1_deadline not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-03-02 03:29:30,190 WARN  L322   ript$VariableManager]: TermVariabe Process1Thread1of1ForFork1_deadline not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-03-02 03:29:30,190 WARN  L322   ript$VariableManager]: TermVariabe Process1Thread1of1ForFork1_deadline not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-03-02 03:29:30,197 WARN  L322   ript$VariableManager]: TermVariabe Process1Thread1of1ForFork1_deadline not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-03-02 03:29:30,198 WARN  L322   ript$VariableManager]: TermVariabe Process2Thread1of1ForFork2_deadline not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-03-02 03:29:30,199 INFO  L148    ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2022-03-02 03:29:30,280 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2022-03-02 03:29:30,281 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-03-02 03:29:30,282 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null)
[2022-03-02 03:29:30,283 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process
[2022-03-02 03:29:30,318 INFO  L338      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2022-03-02 03:29:30,325 INFO  L339      AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=false, mMcrOverapproximateWrwc=true
[2022-03-02 03:29:30,329 INFO  L340      AbstractCegarLoop]: Starting to check reachability of 7 error locations.
[2022-03-02 03:29:30,383 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 55 transitions and produced 56 states.
[2022-03-02 03:29:30,386 INFO  L402      AbstractCegarLoop]: === Iteration 1 === Targeting Process2Err0ASSERT_VIOLATIONASSERT === [Process2Err0ASSERT_VIOLATIONASSERT, Process1Err0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION (and 3 more)] ===
[2022-03-02 03:29:30,390 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-03-02 03:29:30,390 INFO  L85        PathProgramCache]: Analyzing trace with hash -1787775892, now seen corresponding path program 1 times
[2022-03-02 03:29:30,398 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-03-02 03:29:30,398 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329562419]
[2022-03-02 03:29:30,399 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-03-02 03:29:30,399 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-03-02 03:29:30,461 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-03-02 03:29:30,494 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-03-02 03:29:30,494 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-03-02 03:29:30,495 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1329562419]
[2022-03-02 03:29:30,495 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1329562419] provided 1 perfect and 0 imperfect interpolant sequences
[2022-03-02 03:29:30,495 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-03-02 03:29:30,496 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-03-02 03:29:30,497 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729095398]
[2022-03-02 03:29:30,498 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-03-02 03:29:30,502 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2022-03-02 03:29:30,502 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-03-02 03:29:30,519 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2022-03-02 03:29:30,521 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2022-03-02 03:29:30,522 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-03-02 03:29:30,523 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-03-02 03:29:30,524 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 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)
[2022-03-02 03:29:30,525 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-03-02 03:29:30,551 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 47 transitions and produced 48 states.
[2022-03-02 03:29:30,552 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-03-02 03:29:30,552 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2022-03-02 03:29:30,553 INFO  L402      AbstractCegarLoop]: === Iteration 2 === Targeting Process1Err0ASSERT_VIOLATIONASSERT === [Process2Err0ASSERT_VIOLATIONASSERT, Process1Err0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION (and 3 more)] ===
[2022-03-02 03:29:30,556 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-03-02 03:29:30,557 INFO  L85        PathProgramCache]: Analyzing trace with hash -1282147306, now seen corresponding path program 1 times
[2022-03-02 03:29:30,557 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-03-02 03:29:30,557 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542304697]
[2022-03-02 03:29:30,557 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-03-02 03:29:30,557 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-03-02 03:29:30,584 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-03-02 03:29:30,607 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-03-02 03:29:30,608 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-03-02 03:29:30,608 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [542304697]
[2022-03-02 03:29:30,608 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [542304697] provided 1 perfect and 0 imperfect interpolant sequences
[2022-03-02 03:29:30,608 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-03-02 03:29:30,608 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2022-03-02 03:29:30,609 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810691158]
[2022-03-02 03:29:30,609 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-03-02 03:29:30,610 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-03-02 03:29:30,610 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-03-02 03:29:30,611 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-03-02 03:29:30,611 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-03-02 03:29:30,611 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-03-02 03:29:30,611 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-03-02 03:29:30,611 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 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)
[2022-03-02 03:29:30,611 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-03-02 03:29:30,611 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-03-02 03:29:31,188 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 20857 transitions and produced 19932 states.
[2022-03-02 03:29:31,189 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-03-02 03:29:31,190 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 03:29:31,190 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2022-03-02 03:29:31,191 INFO  L402      AbstractCegarLoop]: === Iteration 3 === Targeting Process2Err0ASSERT_VIOLATIONASSERT === [Process2Err0ASSERT_VIOLATIONASSERT, Process1Err0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION (and 3 more)] ===
[2022-03-02 03:29:31,193 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-03-02 03:29:31,193 INFO  L85        PathProgramCache]: Analyzing trace with hash -910315903, now seen corresponding path program 1 times
[2022-03-02 03:29:31,194 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-03-02 03:29:31,194 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1070405337]
[2022-03-02 03:29:31,194 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-03-02 03:29:31,195 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-03-02 03:29:31,636 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-03-02 03:29:35,447 INFO  L134       CoverageAnalysis]: Checked inductivity of 808116 backedges. 4020 proven. 0 refuted. 0 times theorem prover too weak. 804096 trivial. 0 not checked.
[2022-03-02 03:29:35,447 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-03-02 03:29:35,447 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1070405337]
[2022-03-02 03:29:35,449 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1070405337] provided 1 perfect and 0 imperfect interpolant sequences
[2022-03-02 03:29:35,449 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-03-02 03:29:35,450 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-03-02 03:29:35,450 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779417554]
[2022-03-02 03:29:35,450 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-03-02 03:29:35,455 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-03-02 03:29:35,455 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-03-02 03:29:35,456 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-03-02 03:29:35,456 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-03-02 03:29:35,456 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-03-02 03:29:35,457 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-03-02 03:29:35,457 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 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)
[2022-03-02 03:29:35,457 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-03-02 03:29:35,457 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 03:29:35,458 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-03-02 03:29:36,034 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 22279 transitions and produced 21295 states.
[2022-03-02 03:29:36,037 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-03-02 03:29:36,042 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 03:29:36,042 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 03:29:36,043 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2022-03-02 03:29:36,043 INFO  L402      AbstractCegarLoop]: === Iteration 4 === Targeting Process2Err0ASSERT_VIOLATIONASSERT === [Process2Err0ASSERT_VIOLATIONASSERT, Process1Err0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION (and 3 more)] ===
[2022-03-02 03:29:36,044 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-03-02 03:29:36,044 INFO  L85        PathProgramCache]: Analyzing trace with hash -1803401506, now seen corresponding path program 1 times
[2022-03-02 03:29:36,045 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-03-02 03:29:36,045 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94020239]
[2022-03-02 03:29:36,045 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-03-02 03:29:36,045 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-03-02 03:29:36,194 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-03-02 03:29:40,198 INFO  L134       CoverageAnalysis]: Checked inductivity of 913799 backedges. 3251 proven. 0 refuted. 0 times theorem prover too weak. 910548 trivial. 0 not checked.
[2022-03-02 03:29:40,199 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-03-02 03:29:40,199 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [94020239]
[2022-03-02 03:29:40,199 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [94020239] provided 1 perfect and 0 imperfect interpolant sequences
[2022-03-02 03:29:40,203 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-03-02 03:29:40,204 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-03-02 03:29:40,204 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101824313]
[2022-03-02 03:29:40,204 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-03-02 03:29:40,207 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-03-02 03:29:40,207 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-03-02 03:29:40,208 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-03-02 03:29:40,209 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-03-02 03:29:40,209 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-03-02 03:29:40,209 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-03-02 03:29:40,209 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 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)
[2022-03-02 03:29:40,209 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-03-02 03:29:40,209 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 03:29:40,209 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 03:29:40,209 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-03-02 03:29:40,467 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 12566 transitions and produced 11690 states.
[2022-03-02 03:29:40,467 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-03-02 03:29:40,467 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 03:29:40,468 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 03:29:40,468 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 03:29:40,468 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2022-03-02 03:29:40,469 INFO  L402      AbstractCegarLoop]: === Iteration 5 === Targeting Process2Err0ASSERT_VIOLATIONASSERT === [Process2Err0ASSERT_VIOLATIONASSERT, Process1Err0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION (and 3 more)] ===
[2022-03-02 03:29:40,470 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-03-02 03:29:40,470 INFO  L85        PathProgramCache]: Analyzing trace with hash -1770306649, now seen corresponding path program 2 times
[2022-03-02 03:29:40,471 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-03-02 03:29:40,471 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1035767846]
[2022-03-02 03:29:40,471 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-03-02 03:29:40,472 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-03-02 03:29:40,582 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-03-02 03:29:41,493 INFO  L134       CoverageAnalysis]: Checked inductivity of 237083 backedges. 21641 proven. 0 refuted. 0 times theorem prover too weak. 215442 trivial. 0 not checked.
[2022-03-02 03:29:41,493 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-03-02 03:29:41,493 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1035767846]
[2022-03-02 03:29:41,493 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1035767846] provided 1 perfect and 0 imperfect interpolant sequences
[2022-03-02 03:29:41,493 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-03-02 03:29:41,494 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-03-02 03:29:41,494 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945599545]
[2022-03-02 03:29:41,494 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-03-02 03:29:41,496 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-03-02 03:29:41,496 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-03-02 03:29:41,497 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-03-02 03:29:41,497 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-03-02 03:29:41,497 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-03-02 03:29:41,497 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-03-02 03:29:41,497 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 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)
[2022-03-02 03:29:41,497 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-03-02 03:29:41,498 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 03:29:41,498 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 03:29:41,498 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 03:29:41,498 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-03-02 03:29:41,765 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 12395 transitions and produced 11369 states.
[2022-03-02 03:29:41,765 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-03-02 03:29:41,765 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 03:29:41,765 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 03:29:41,765 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 03:29:41,766 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 03:29:41,766 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2022-03-02 03:29:41,766 INFO  L402      AbstractCegarLoop]: === Iteration 6 === Targeting Process2Err0ASSERT_VIOLATIONASSERT === [Process2Err0ASSERT_VIOLATIONASSERT, Process1Err0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION (and 3 more)] ===
[2022-03-02 03:29:41,767 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-03-02 03:29:41,767 INFO  L85        PathProgramCache]: Analyzing trace with hash 2125351892, now seen corresponding path program 3 times
[2022-03-02 03:29:41,767 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-03-02 03:29:41,767 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712799362]
[2022-03-02 03:29:41,768 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-03-02 03:29:41,768 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-03-02 03:29:41,880 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-03-02 03:29:43,382 INFO  L134       CoverageAnalysis]: Checked inductivity of 214368 backedges. 56607 proven. 0 refuted. 0 times theorem prover too weak. 157761 trivial. 0 not checked.
[2022-03-02 03:29:43,382 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-03-02 03:29:43,383 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1712799362]
[2022-03-02 03:29:43,383 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1712799362] provided 1 perfect and 0 imperfect interpolant sequences
[2022-03-02 03:29:43,383 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-03-02 03:29:43,383 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-03-02 03:29:43,383 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035790753]
[2022-03-02 03:29:43,383 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-03-02 03:29:43,385 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-03-02 03:29:43,385 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-03-02 03:29:43,386 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-03-02 03:29:43,386 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-03-02 03:29:43,386 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-03-02 03:29:43,386 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-03-02 03:29:43,386 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 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)
[2022-03-02 03:29:43,387 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-03-02 03:29:43,387 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 03:29:43,387 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 03:29:43,387 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 03:29:43,387 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 03:29:43,387 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-03-02 03:29:43,525 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 10101 transitions and produced 9543 states.
[2022-03-02 03:29:43,525 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-03-02 03:29:43,525 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 03:29:43,526 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 03:29:43,526 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 03:29:43,526 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 03:29:43,526 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 03:29:43,527 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2022-03-02 03:29:43,527 INFO  L402      AbstractCegarLoop]: === Iteration 7 === Targeting Process2Err0ASSERT_VIOLATIONASSERT === [Process2Err0ASSERT_VIOLATIONASSERT, Process1Err0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION (and 3 more)] ===
[2022-03-02 03:29:43,527 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-03-02 03:29:43,528 INFO  L85        PathProgramCache]: Analyzing trace with hash 2140330072, now seen corresponding path program 1 times
[2022-03-02 03:29:43,528 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-03-02 03:29:43,528 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1737705011]
[2022-03-02 03:29:43,528 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-03-02 03:29:43,528 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-03-02 03:29:43,650 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-03-02 03:29:44,435 INFO  L134       CoverageAnalysis]: Checked inductivity of 158749 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 158602 trivial. 0 not checked.
[2022-03-02 03:29:44,435 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-03-02 03:29:44,436 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1737705011]
[2022-03-02 03:29:44,439 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1737705011] provided 1 perfect and 0 imperfect interpolant sequences
[2022-03-02 03:29:44,440 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-03-02 03:29:44,440 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2022-03-02 03:29:44,440 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2064929894]
[2022-03-02 03:29:44,440 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-03-02 03:29:44,441 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2022-03-02 03:29:44,442 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-03-02 03:29:44,445 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2022-03-02 03:29:44,446 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2022-03-02 03:29:44,446 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-03-02 03:29:44,446 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-03-02 03:29:44,447 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-03-02 03:29:44,447 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-03-02 03:29:44,447 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 03:29:44,447 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 03:29:44,447 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 03:29:44,447 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 03:29:44,447 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 03:29:44,447 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-03-02 03:29:44,599 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 9143 transitions and produced 8753 states.
[2022-03-02 03:29:44,599 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-03-02 03:29:44,599 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 03:29:44,600 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 03:29:44,600 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 03:29:44,600 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 03:29:44,600 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 03:29:44,600 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2022-03-02 03:29:44,600 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2022-03-02 03:29:44,601 INFO  L402      AbstractCegarLoop]: === Iteration 8 === Targeting Process2Err0ASSERT_VIOLATIONASSERT === [Process2Err0ASSERT_VIOLATIONASSERT, Process1Err0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION (and 3 more)] ===
[2022-03-02 03:29:44,602 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-03-02 03:29:44,602 INFO  L85        PathProgramCache]: Analyzing trace with hash 1400990881, now seen corresponding path program 2 times
[2022-03-02 03:29:44,602 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-03-02 03:29:44,602 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1257392612]
[2022-03-02 03:29:44,602 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-03-02 03:29:44,603 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-03-02 03:29:44,723 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-03-02 03:29:45,201 INFO  L134       CoverageAnalysis]: Checked inductivity of 149096 backedges. 1230 proven. 0 refuted. 0 times theorem prover too weak. 147866 trivial. 0 not checked.
[2022-03-02 03:29:45,202 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-03-02 03:29:45,202 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1257392612]
[2022-03-02 03:29:45,202 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1257392612] provided 1 perfect and 0 imperfect interpolant sequences
[2022-03-02 03:29:45,202 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-03-02 03:29:45,202 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2022-03-02 03:29:45,203 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828700101]
[2022-03-02 03:29:45,203 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-03-02 03:29:45,204 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2022-03-02 03:29:45,204 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-03-02 03:29:45,204 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2022-03-02 03:29:45,204 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2022-03-02 03:29:45,204 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-03-02 03:29:45,204 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-03-02 03:29:45,205 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 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)
[2022-03-02 03:29:45,205 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-03-02 03:29:45,205 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 03:29:45,205 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 03:29:45,205 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 03:29:45,205 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 03:29:45,205 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 03:29:45,205 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2022-03-02 03:29:45,205 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-03-02 03:29:51,976 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 679686 transitions and produced 322134 states.
[2022-03-02 03:29:51,977 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-03-02 03:29:51,977 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 03:29:51,977 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 03:29:51,977 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 03:29:51,977 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 03:29:51,978 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 03:29:51,978 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2022-03-02 03:29:51,978 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2022-03-02 03:29:51,979 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2022-03-02 03:29:51,979 INFO  L402      AbstractCegarLoop]: === Iteration 9 === Targeting Process2Err0ASSERT_VIOLATIONASSERT === [Process2Err0ASSERT_VIOLATIONASSERT, Process1Err0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION (and 3 more)] ===
[2022-03-02 03:29:51,979 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-03-02 03:29:51,979 INFO  L85        PathProgramCache]: Analyzing trace with hash 870001245, now seen corresponding path program 3 times
[2022-03-02 03:29:51,979 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-03-02 03:29:51,979 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2051504454]
[2022-03-02 03:29:51,979 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-03-02 03:29:51,980 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-03-02 03:29:52,327 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-03-02 03:29:52,524 INFO  L134       CoverageAnalysis]: Checked inductivity of 44317 backedges. 602 proven. 0 refuted. 0 times theorem prover too weak. 43715 trivial. 0 not checked.
[2022-03-02 03:29:52,525 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-03-02 03:29:52,525 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2051504454]
[2022-03-02 03:29:52,525 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2051504454] provided 1 perfect and 0 imperfect interpolant sequences
[2022-03-02 03:29:52,525 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-03-02 03:29:52,525 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2022-03-02 03:29:52,525 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238291426]
[2022-03-02 03:29:52,525 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-03-02 03:29:52,526 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2022-03-02 03:29:52,526 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-03-02 03:29:52,527 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2022-03-02 03:29:52,527 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2022-03-02 03:29:52,527 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-03-02 03:29:52,528 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-03-02 03:29:52,528 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 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)
[2022-03-02 03:29:52,528 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-03-02 03:29:52,528 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 03:29:52,528 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 03:29:52,528 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 03:29:52,528 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 03:29:52,528 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 03:29:52,528 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2022-03-02 03:29:52,528 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2022-03-02 03:29:52,528 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-03-02 03:30:00,487 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 693346 transitions and produced 328931 states.
[2022-03-02 03:30:00,487 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-03-02 03:30:00,487 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 03:30:00,487 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 03:30:00,487 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 03:30:00,487 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 03:30:00,487 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 03:30:00,487 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2022-03-02 03:30:00,488 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2022-03-02 03:30:00,488 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2022-03-02 03:30:00,488 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2022-03-02 03:30:00,488 INFO  L402      AbstractCegarLoop]: === Iteration 10 === Targeting Process2Err0ASSERT_VIOLATIONASSERT === [Process2Err0ASSERT_VIOLATIONASSERT, Process1Err0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION (and 3 more)] ===
[2022-03-02 03:30:00,489 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-03-02 03:30:00,489 INFO  L85        PathProgramCache]: Analyzing trace with hash -768884827, now seen corresponding path program 4 times
[2022-03-02 03:30:00,489 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-03-02 03:30:00,489 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1280765]
[2022-03-02 03:30:00,489 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-03-02 03:30:00,489 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-03-02 03:30:00,672 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-03-02 03:30:02,435 INFO  L134       CoverageAnalysis]: Checked inductivity of 44317 backedges. 14538 proven. 1742 refuted. 0 times theorem prover too weak. 28037 trivial. 0 not checked.
[2022-03-02 03:30:02,436 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-03-02 03:30:02,436 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1280765]
[2022-03-02 03:30:02,436 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1280765] provided 0 perfect and 1 imperfect interpolant sequences
[2022-03-02 03:30:02,436 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1606346223]
[2022-03-02 03:30:02,436 INFO  L93    rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST
[2022-03-02 03:30:02,437 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-03-02 03:30:02,437 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-03-02 03:30:02,439 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-03-02 03:30:02,452 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2022-03-02 03:30:02,944 INFO  L228   tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s)
[2022-03-02 03:30:02,944 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2022-03-02 03:30:02,954 INFO  L263         TraceCheckSpWp]: Trace formula consists of 2120 conjuncts, 23 conjunts are in the unsatisfiable core
[2022-03-02 03:30:02,984 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-03-02 03:30:05,923 INFO  L134       CoverageAnalysis]: Checked inductivity of 44317 backedges. 16162 proven. 118 refuted. 0 times theorem prover too weak. 28037 trivial. 0 not checked.
[2022-03-02 03:30:05,923 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-03-02 03:30:08,784 INFO  L134       CoverageAnalysis]: Checked inductivity of 44317 backedges. 16164 proven. 116 refuted. 0 times theorem prover too weak. 28037 trivial. 0 not checked.
[2022-03-02 03:30:08,785 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1606346223] provided 0 perfect and 2 imperfect interpolant sequences
[2022-03-02 03:30:08,785 INFO  L191   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-03-02 03:30:08,785 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [55, 24, 24] total 96
[2022-03-02 03:30:08,785 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [53783484]
[2022-03-02 03:30:08,786 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-03-02 03:30:08,789 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 96 states
[2022-03-02 03:30:08,789 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-03-02 03:30:08,791 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants.
[2022-03-02 03:30:08,795 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=781, Invalid=8339, Unknown=0, NotChecked=0, Total=9120
[2022-03-02 03:30:08,795 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-03-02 03:30:08,795 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-03-02 03:30:08,796 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 96 states, 96 states have (on average 7.760416666666667) internal successors, (745), 96 states have internal predecessors, (745), 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)
[2022-03-02 03:30:08,796 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-03-02 03:30:08,796 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 03:30:08,796 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 03:30:08,796 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 03:30:08,796 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 03:30:08,796 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-03-02 03:30:08,796 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2022-03-02 03:30:08,796 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2022-03-02 03:30:08,796 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. 
[2022-03-02 03:30:08,797 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.