/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.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/concurrent_increment.bpl
--------------------------------------------------------------------------------
This is Ultimate 0.2.2-wip.dk.mcr-reduction-44898dd
[2022-02-09 23:11:38,811 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2022-02-09 23:11:38,813 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
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[2022-02-09 23:11:38,906 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
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[2022-02-09 23:11:38,911 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
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[2022-02-09 23:11:38,913 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-02-09 23:11:38,915 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-02-09 23:11:38,917 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2022-02-09 23:11:38,918 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-02-09 23:11:38,925 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
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[2022-02-09 23:11:38,925 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
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[2022-02-09 23:11:38,929 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
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[2022-02-09 23:11:38,930 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
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[2022-02-09 23:11:38,936 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.epf
[2022-02-09 23:11:38,971 INFO L113 SettingsManager]: Loading preferences was successful
[2022-02-09 23:11:38,971 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2022-02-09 23:11:38,972 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-02-09 23:11:38,972 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-02-09 23:11:38,972 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-02-09 23:11:38,973 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-02-09 23:11:38,973 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-02-09 23:11:38,973 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2022-02-09 23:11:38,973 INFO L138 SettingsManager]: * Use SBE=true
[2022-02-09 23:11:38,973 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-02-09 23:11:38,974 INFO L138 SettingsManager]: * sizeof long=4
[2022-02-09 23:11:38,974 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2022-02-09 23:11:38,974 INFO L138 SettingsManager]: * sizeof POINTER=4
[2022-02-09 23:11:38,974 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2022-02-09 23:11:38,975 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2022-02-09 23:11:38,975 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-02-09 23:11:38,975 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2022-02-09 23:11:38,975 INFO L138 SettingsManager]: * sizeof long double=12
[2022-02-09 23:11:38,975 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2022-02-09 23:11:38,975 INFO L138 SettingsManager]: * Use constant arrays=true
[2022-02-09 23:11:38,975 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2022-02-09 23:11:38,975 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-02-09 23:11:38,976 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2022-02-09 23:11:38,976 INFO L138 SettingsManager]: * To the following directory=./dump/
[2022-02-09 23:11:38,976 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2022-02-09 23:11:38,976 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-02-09 23:11:38,976 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-02-09 23:11:38,976 INFO L138 SettingsManager]: * Construct finite automaton lazily=true
[2022-02-09 23:11:38,976 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2022-02-09 23:11:38,976 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-02-09 23:11:38,977 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2022-02-09 23:11:38,977 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-02-09 23:11:38,977 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF
[2022-02-09 23:11:38,977 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2022-02-09 23:11:38,977 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-02-09 23:11:38,977 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS
[2022-02-09 23:11:38,977 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2022-02-09 23:11:39,203 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2022-02-09 23:11:39,225 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-02-09 23:11:39,228 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-02-09 23:11:39,229 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser...
[2022-02-09 23:11:39,230 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized
[2022-02-09 23:11:39,232 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/concurrent_increment.bpl
[2022-02-09 23:11:39,232 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/concurrent_increment.bpl'
[2022-02-09 23:11:39,249 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-02-09 23:11:39,250 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2022-02-09 23:11:39,251 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-02-09 23:11:39,252 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-02-09 23:11:39,252 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2022-02-09 23:11:39,263 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "concurrent_increment.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:11:39" (1/1) ...
[2022-02-09 23:11:39,269 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "concurrent_increment.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:11:39" (1/1) ...
[2022-02-09 23:11:39,275 INFO L137 Inliner]: procedures = 3, calls = 2, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0
[2022-02-09 23:11:39,277 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-02-09 23:11:39,278 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-02-09 23:11:39,278 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2022-02-09 23:11:39,278 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2022-02-09 23:11:39,284 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "concurrent_increment.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:11:39" (1/1) ...
[2022-02-09 23:11:39,285 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "concurrent_increment.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:11:39" (1/1) ...
[2022-02-09 23:11:39,285 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "concurrent_increment.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:11:39" (1/1) ...
[2022-02-09 23:11:39,285 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "concurrent_increment.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:11:39" (1/1) ...
[2022-02-09 23:11:39,287 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "concurrent_increment.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:11:39" (1/1) ...
[2022-02-09 23:11:39,290 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "concurrent_increment.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:11:39" (1/1) ...
[2022-02-09 23:11:39,290 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "concurrent_increment.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:11:39" (1/1) ...
[2022-02-09 23:11:39,291 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-02-09 23:11:39,292 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-02-09 23:11:39,292 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2022-02-09 23:11:39,292 INFO L275 PluginConnector]: RCFGBuilder initialized
[2022-02-09 23:11:39,294 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "concurrent_increment.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:11:39" (1/1) ...
[2022-02-09 23:11:39,301 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-02-09 23:11:39,312 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-09 23:11:39,324 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)
[2022-02-09 23:11:39,327 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
[2022-02-09 23:11:39,354 INFO L124 BoogieDeclarations]: Specification and implementation of procedure dec given in one single declaration
[2022-02-09 23:11:39,354 INFO L130 BoogieDeclarations]: Found specification of procedure dec
[2022-02-09 23:11:39,354 INFO L138 BoogieDeclarations]: Found implementation of procedure dec
[2022-02-09 23:11:39,354 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration
[2022-02-09 23:11:39,354 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-02-09 23:11:39,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-02-09 23:11:39,354 INFO L124 BoogieDeclarations]: Specification and implementation of procedure inc given in one single declaration
[2022-02-09 23:11:39,354 INFO L130 BoogieDeclarations]: Found specification of procedure inc
[2022-02-09 23:11:39,355 INFO L138 BoogieDeclarations]: Found implementation of procedure inc
[2022-02-09 23:11:39,355 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2022-02-09 23:11:39,389 INFO L234 CfgBuilder]: Building ICFG
[2022-02-09 23:11:39,390 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2022-02-09 23:11:39,486 INFO L275 CfgBuilder]: Performing block encoding
[2022-02-09 23:11:39,496 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-02-09 23:11:39,496 INFO L299 CfgBuilder]: Removed 0 assume(true) statements.
[2022-02-09 23:11:39,500 INFO L202 PluginConnector]: Adding new model concurrent_increment.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 11:11:39 BoogieIcfgContainer
[2022-02-09 23:11:39,500 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-02-09 23:11:39,504 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-02-09 23:11:39,504 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2022-02-09 23:11:39,507 INFO L275 PluginConnector]: TraceAbstraction initialized
[2022-02-09 23:11:39,507 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "concurrent_increment.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:11:39" (1/2) ...
[2022-02-09 23:11:39,508 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b05b94 and model type concurrent_increment.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.02 11:11:39, skipping insertion in model container
[2022-02-09 23:11:39,509 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "concurrent_increment.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 11:11:39" (2/2) ...
[2022-02-09 23:11:39,510 INFO L111 eAbstractionObserver]: Analyzing ICFG concurrent_increment.bpl
[2022-02-09 23:11:39,525 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2022-02-09 23:11:39,525 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-02-09 23:11:39,525 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2022-02-09 23:11:39,525 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2022-02-09 23:11:39,567 WARN L322 ript$VariableManager]: TermVariabe decThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 23:11:39,568 WARN L322 ript$VariableManager]: TermVariabe decThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 23:11:39,568 WARN L322 ript$VariableManager]: TermVariabe decThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 23:11:39,568 WARN L322 ript$VariableManager]: TermVariabe decThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 23:11:39,569 WARN L322 ript$VariableManager]: TermVariabe decThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 23:11:39,569 WARN L322 ript$VariableManager]: TermVariabe decThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 23:11:39,569 WARN L322 ript$VariableManager]: TermVariabe decThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 23:11:39,570 WARN L322 ript$VariableManager]: TermVariabe decThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 23:11:39,570 WARN L322 ript$VariableManager]: TermVariabe decThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 23:11:39,570 WARN L322 ript$VariableManager]: TermVariabe decThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 23:11:39,570 WARN L322 ript$VariableManager]: TermVariabe incThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 23:11:39,571 WARN L322 ript$VariableManager]: TermVariabe incThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 23:11:39,571 WARN L322 ript$VariableManager]: TermVariabe incThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 23:11:39,571 WARN L322 ript$VariableManager]: TermVariabe incThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 23:11:39,571 WARN L322 ript$VariableManager]: TermVariabe incThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 23:11:39,572 WARN L322 ript$VariableManager]: TermVariabe incThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 23:11:39,572 WARN L322 ript$VariableManager]: TermVariabe incThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 23:11:39,572 WARN L322 ript$VariableManager]: TermVariabe incThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 23:11:39,573 WARN L322 ript$VariableManager]: TermVariabe incThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 23:11:39,573 WARN L322 ript$VariableManager]: TermVariabe incThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 23:11:39,576 WARN L322 ript$VariableManager]: TermVariabe incThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 23:11:39,578 WARN L322 ript$VariableManager]: TermVariabe decThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 23:11:39,583 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions.
[2022-02-09 23:11:39,633 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2022-02-09 23:11:39,634 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-09 23:11:39,639 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)
[2022-02-09 23:11:39,644 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
[2022-02-09 23:11:39,672 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2022-02-09 23:11:39,678 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
[2022-02-09 23:11:39,678 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations.
[2022-02-09 23:11:39,748 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 149 transitions and produced 132 states.
[2022-02-09 23:11:39,750 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-09 23:11:39,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-09 23:11:39,754 INFO L85 PathProgramCache]: Analyzing trace with hash 388656454, now seen corresponding path program 1 times
[2022-02-09 23:11:39,760 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-09 23:11:39,760 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1333330397]
[2022-02-09 23:11:39,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-09 23:11:39,760 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-09 23:11:39,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-09 23:11:40,225 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 153 proven. 160 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked.
[2022-02-09 23:11:40,226 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-09 23:11:40,226 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1333330397]
[2022-02-09 23:11:40,226 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1333330397] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-09 23:11:40,227 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2039888086]
[2022-02-09 23:11:40,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-09 23:11:40,227 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-09 23:11:40,227 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-09 23:11:40,229 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)
[2022-02-09 23:11:40,230 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2022-02-09 23:11:40,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-09 23:11:40,321 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 22 conjunts are in the unsatisfiable core
[2022-02-09 23:11:40,332 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-02-09 23:11:41,203 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 139 proven. 183 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-09 23:11:41,203 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2022-02-09 23:11:41,580 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 153 proven. 160 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked.
[2022-02-09 23:11:41,581 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2039888086] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-09 23:11:41,581 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-09 23:11:41,582 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 23, 17] total 49
[2022-02-09 23:11:41,584 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039409656]
[2022-02-09 23:11:41,584 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-09 23:11:41,590 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 49 states
[2022-02-09 23:11:41,590 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-09 23:11:41,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants.
[2022-02-09 23:11:41,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=591, Invalid=1761, Unknown=0, NotChecked=0, Total=2352
[2022-02-09 23:11:41,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-02-09 23:11:41,622 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-09 23:11:41,624 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 49 states, 49 states have (on average 3.3877551020408165) internal successors, (166), 49 states have internal predecessors, (166), 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)
[2022-02-09 23:11:41,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-02-09 23:11:43,210 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 319 transitions and produced 249 states.
[2022-02-09 23:11:43,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states.
[2022-02-09 23:11:43,240 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0
[2022-02-09 23:11:43,411 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0
[2022-02-09 23:11:43,412 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-09 23:11:43,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-09 23:11:43,413 INFO L85 PathProgramCache]: Analyzing trace with hash -166589322, now seen corresponding path program 2 times
[2022-02-09 23:11:43,413 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-09 23:11:43,413 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1524875086]
[2022-02-09 23:11:43,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-09 23:11:43,414 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-09 23:11:43,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-09 23:11:44,005 INFO L134 CoverageAnalysis]: Checked inductivity of 819 backedges. 497 proven. 322 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-09 23:11:44,005 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-09 23:11:44,006 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1524875086]
[2022-02-09 23:11:44,006 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1524875086] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-09 23:11:44,006 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1802468614]
[2022-02-09 23:11:44,006 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2022-02-09 23:11:44,006 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-09 23:11:44,007 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-09 23:11:44,008 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-02-09 23:11:44,009 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2022-02-09 23:11:44,062 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2022-02-09 23:11:44,062 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-09 23:11:44,064 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 32 conjunts are in the unsatisfiable core
[2022-02-09 23:11:44,069 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-02-09 23:11:45,126 INFO L134 CoverageAnalysis]: Checked inductivity of 819 backedges. 475 proven. 314 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked.
[2022-02-09 23:11:45,126 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2022-02-09 23:11:45,423 INFO L134 CoverageAnalysis]: Checked inductivity of 819 backedges. 475 proven. 314 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked.
[2022-02-09 23:11:45,423 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1802468614] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-09 23:11:45,423 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-09 23:11:45,423 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 33, 33] total 64
[2022-02-09 23:11:45,424 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1443233334]
[2022-02-09 23:11:45,424 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-09 23:11:45,425 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 64 states
[2022-02-09 23:11:45,425 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-09 23:11:45,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants.
[2022-02-09 23:11:45,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=738, Invalid=3294, Unknown=0, NotChecked=0, Total=4032
[2022-02-09 23:11:45,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-02-09 23:11:45,427 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-09 23:11:45,428 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 64 states, 64 states have (on average 2.984375) internal successors, (191), 64 states have internal predecessors, (191), 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)
[2022-02-09 23:11:45,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states.
[2022-02-09 23:11:45,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-02-09 23:11:45,533 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 206 transitions and produced 197 states.
[2022-02-09 23:11:45,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states.
[2022-02-09 23:11:45,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states.
[2022-02-09 23:11:45,569 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0
[2022-02-09 23:11:45,755 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-09 23:11:45,755 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-09 23:11:45,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-09 23:11:45,756 INFO L85 PathProgramCache]: Analyzing trace with hash -1084817881, now seen corresponding path program 3 times
[2022-02-09 23:11:45,756 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-09 23:11:45,756 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439746551]
[2022-02-09 23:11:45,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-09 23:11:45,757 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-09 23:11:45,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-09 23:11:46,368 INFO L134 CoverageAnalysis]: Checked inductivity of 862 backedges. 497 proven. 365 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-09 23:11:46,369 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-09 23:11:46,369 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1439746551]
[2022-02-09 23:11:46,369 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1439746551] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-09 23:11:46,369 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1579639281]
[2022-02-09 23:11:46,369 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2022-02-09 23:11:46,370 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-09 23:11:46,370 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-09 23:11:46,372 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-02-09 23:11:46,405 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2022-02-09 23:11:46,443 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 19 check-sat command(s)
[2022-02-09 23:11:46,444 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-09 23:11:46,445 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 37 conjunts are in the unsatisfiable core
[2022-02-09 23:11:46,449 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-02-09 23:11:47,635 INFO L134 CoverageAnalysis]: Checked inductivity of 862 backedges. 497 proven. 365 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-09 23:11:47,635 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2022-02-09 23:11:48,095 INFO L134 CoverageAnalysis]: Checked inductivity of 862 backedges. 497 proven. 365 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-09 23:11:48,096 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1579639281] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-09 23:11:48,096 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-09 23:11:48,096 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38, 38, 38] total 78
[2022-02-09 23:11:48,096 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540491668]
[2022-02-09 23:11:48,096 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-09 23:11:48,097 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 78 states
[2022-02-09 23:11:48,097 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-09 23:11:48,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 78 interpolants.
[2022-02-09 23:11:48,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1125, Invalid=4881, Unknown=0, NotChecked=0, Total=6006
[2022-02-09 23:11:48,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-02-09 23:11:48,100 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-09 23:11:48,101 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 78 states, 78 states have (on average 3.051282051282051) internal successors, (238), 78 states have internal predecessors, (238), 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)
[2022-02-09 23:11:48,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states.
[2022-02-09 23:11:48,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states.
[2022-02-09 23:11:48,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-02-09 23:11:48,252 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 234 transitions and produced 225 states.
[2022-02-09 23:11:48,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states.
[2022-02-09 23:11:48,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states.
[2022-02-09 23:11:48,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states.
[2022-02-09 23:11:48,268 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0
[2022-02-09 23:11:48,453 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-09 23:11:48,453 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-09 23:11:48,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-09 23:11:48,454 INFO L85 PathProgramCache]: Analyzing trace with hash 1999135079, now seen corresponding path program 4 times
[2022-02-09 23:11:48,454 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-09 23:11:48,454 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [65577719]
[2022-02-09 23:11:48,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-09 23:11:48,455 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-09 23:11:48,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-09 23:11:48,840 INFO L134 CoverageAnalysis]: Checked inductivity of 1064 backedges. 0 proven. 1059 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.
[2022-02-09 23:11:48,840 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-09 23:11:48,840 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [65577719]
[2022-02-09 23:11:48,841 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [65577719] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-09 23:11:48,841 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [832059171]
[2022-02-09 23:11:48,841 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST
[2022-02-09 23:11:48,841 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-09 23:11:48,841 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-09 23:11:48,842 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-02-09 23:11:48,855 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process
[2022-02-09 23:11:48,901 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s)
[2022-02-09 23:11:48,902 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-09 23:11:48,904 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 79 conjunts are in the unsatisfiable core
[2022-02-09 23:11:48,907 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-02-09 23:11:49,402 INFO L134 CoverageAnalysis]: Checked inductivity of 1064 backedges. 0 proven. 1059 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.
[2022-02-09 23:11:49,402 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2022-02-09 23:11:49,867 INFO L134 CoverageAnalysis]: Checked inductivity of 1064 backedges. 0 proven. 1059 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.
[2022-02-09 23:11:49,867 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [832059171] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-09 23:11:49,868 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-09 23:11:49,868 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19, 19] total 19
[2022-02-09 23:11:49,868 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414863362]
[2022-02-09 23:11:49,868 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-09 23:11:49,868 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states
[2022-02-09 23:11:49,869 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-09 23:11:49,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants.
[2022-02-09 23:11:49,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=381, Unknown=0, NotChecked=0, Total=420
[2022-02-09 23:11:49,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-02-09 23:11:49,869 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-09 23:11:49,870 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.05) internal successors, (121), 20 states have internal predecessors, (121), 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)
[2022-02-09 23:11:49,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states.
[2022-02-09 23:11:49,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states.
[2022-02-09 23:11:49,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states.
[2022-02-09 23:11:49,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-02-09 23:11:50,082 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 309 transitions and produced 300 states.
[2022-02-09 23:11:50,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states.
[2022-02-09 23:11:50,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states.
[2022-02-09 23:11:50,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states.
[2022-02-09 23:11:50,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states.
[2022-02-09 23:11:50,106 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0
[2022-02-09 23:11:50,296 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-09 23:11:50,297 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-09 23:11:50,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-09 23:11:50,298 INFO L85 PathProgramCache]: Analyzing trace with hash 1662574454, now seen corresponding path program 5 times
[2022-02-09 23:11:50,298 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-09 23:11:50,298 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2095326405]
[2022-02-09 23:11:50,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-09 23:11:50,298 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-09 23:11:50,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-09 23:11:51,127 INFO L134 CoverageAnalysis]: Checked inductivity of 1867 backedges. 667 proven. 1200 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-09 23:11:51,128 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-09 23:11:51,128 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2095326405]
[2022-02-09 23:11:51,128 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2095326405] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-09 23:11:51,128 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [761238581]
[2022-02-09 23:11:51,128 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1
[2022-02-09 23:11:51,128 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-09 23:11:51,129 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-09 23:11:51,132 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-02-09 23:11:51,136 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process
[2022-02-09 23:11:51,211 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 31 check-sat command(s)
[2022-02-09 23:11:51,211 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-09 23:11:51,213 INFO L263 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 52 conjunts are in the unsatisfiable core
[2022-02-09 23:11:51,217 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-02-09 23:11:52,672 INFO L134 CoverageAnalysis]: Checked inductivity of 1867 backedges. 1247 proven. 620 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-09 23:11:52,673 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2022-02-09 23:11:53,791 INFO L134 CoverageAnalysis]: Checked inductivity of 1867 backedges. 667 proven. 1200 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-09 23:11:53,791 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [761238581] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-09 23:11:53,791 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-09 23:11:53,792 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [53, 53, 53] total 114
[2022-02-09 23:11:53,792 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1560652476]
[2022-02-09 23:11:53,792 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-09 23:11:53,793 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 114 states
[2022-02-09 23:11:53,793 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-09 23:11:53,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 114 interpolants.
[2022-02-09 23:11:53,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2466, Invalid=10416, Unknown=0, NotChecked=0, Total=12882
[2022-02-09 23:11:53,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-02-09 23:11:53,797 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-09 23:11:53,798 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 114 states, 114 states have (on average 3.0789473684210527) internal successors, (351), 114 states have internal predecessors, (351), 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)
[2022-02-09 23:11:53,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states.
[2022-02-09 23:11:53,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states.
[2022-02-09 23:11:53,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states.
[2022-02-09 23:11:53,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states.
[2022-02-09 23:11:53,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-02-09 23:11:56,832 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 497 transitions and produced 405 states.
[2022-02-09 23:11:56,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states.
[2022-02-09 23:11:56,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states.
[2022-02-09 23:11:56,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states.
[2022-02-09 23:11:56,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states.
[2022-02-09 23:11:56,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states.
[2022-02-09 23:11:56,851 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0
[2022-02-09 23:11:57,036 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-09 23:11:57,036 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-09 23:11:57,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-09 23:11:57,037 INFO L85 PathProgramCache]: Analyzing trace with hash -1714488421, now seen corresponding path program 6 times
[2022-02-09 23:11:57,037 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-09 23:11:57,037 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002300179]
[2022-02-09 23:11:57,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-09 23:11:57,037 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-09 23:11:57,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-09 23:11:57,791 INFO L134 CoverageAnalysis]: Checked inductivity of 2670 backedges. 0 proven. 2665 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.
[2022-02-09 23:11:57,792 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-09 23:11:57,792 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1002300179]
[2022-02-09 23:11:57,792 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1002300179] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-09 23:11:57,792 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [326182272]
[2022-02-09 23:11:57,792 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE
[2022-02-09 23:11:57,792 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-09 23:11:57,793 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-09 23:11:57,794 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-02-09 23:11:57,799 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process
[2022-02-09 23:11:57,871 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 31 check-sat command(s)
[2022-02-09 23:11:57,871 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-09 23:11:57,874 INFO L263 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 123 conjunts are in the unsatisfiable core
[2022-02-09 23:11:57,876 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-02-09 23:11:58,534 INFO L134 CoverageAnalysis]: Checked inductivity of 2670 backedges. 0 proven. 2665 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.
[2022-02-09 23:11:58,535 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2022-02-09 23:11:59,272 INFO L134 CoverageAnalysis]: Checked inductivity of 2670 backedges. 0 proven. 2665 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.
[2022-02-09 23:11:59,272 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [326182272] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-09 23:11:59,272 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-09 23:11:59,272 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 30, 30] total 30
[2022-02-09 23:11:59,272 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [225392480]
[2022-02-09 23:11:59,272 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-09 23:11:59,273 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 32 states
[2022-02-09 23:11:59,273 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-09 23:11:59,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants.
[2022-02-09 23:11:59,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=931, Unknown=0, NotChecked=0, Total=992
[2022-02-09 23:11:59,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-02-09 23:11:59,274 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-09 23:11:59,274 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 31 states have (on average 6.032258064516129) internal successors, (187), 31 states have internal predecessors, (187), 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)
[2022-02-09 23:11:59,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states.
[2022-02-09 23:11:59,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states.
[2022-02-09 23:11:59,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states.
[2022-02-09 23:11:59,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states.
[2022-02-09 23:11:59,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 124 states.
[2022-02-09 23:11:59,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-02-09 23:11:59,675 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 428 transitions and produced 409 states.
[2022-02-09 23:11:59,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states.
[2022-02-09 23:11:59,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states.
[2022-02-09 23:11:59,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states.
[2022-02-09 23:11:59,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states.
[2022-02-09 23:11:59,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states.
[2022-02-09 23:11:59,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states.
[2022-02-09 23:11:59,702 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0
[2022-02-09 23:11:59,877 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-09 23:11:59,877 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-09 23:11:59,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-09 23:11:59,878 INFO L85 PathProgramCache]: Analyzing trace with hash -453101078, now seen corresponding path program 7 times
[2022-02-09 23:11:59,878 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-09 23:11:59,878 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [98940090]
[2022-02-09 23:11:59,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-09 23:11:59,878 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-09 23:11:59,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-09 23:12:01,414 INFO L134 CoverageAnalysis]: Checked inductivity of 3836 backedges. 1470 proven. 2366 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-09 23:12:01,414 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-09 23:12:01,414 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [98940090]
[2022-02-09 23:12:01,414 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [98940090] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-09 23:12:01,415 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1935719271]
[2022-02-09 23:12:01,415 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY
[2022-02-09 23:12:01,415 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-09 23:12:01,415 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-09 23:12:01,427 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-02-09 23:12:01,428 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process
[2022-02-09 23:12:01,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-09 23:12:01,488 INFO L263 TraceCheckSpWp]: Trace formula consists of 380 conjuncts, 74 conjunts are in the unsatisfiable core
[2022-02-09 23:12:01,491 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-02-09 23:12:03,530 INFO L134 CoverageAnalysis]: Checked inductivity of 3836 backedges. 2380 proven. 1456 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-09 23:12:03,530 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2022-02-09 23:12:04,805 INFO L134 CoverageAnalysis]: Checked inductivity of 3836 backedges. 1470 proven. 2366 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-09 23:12:04,805 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1935719271] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-09 23:12:04,805 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-09 23:12:04,805 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [75, 75, 75] total 147
[2022-02-09 23:12:04,806 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385833417]
[2022-02-09 23:12:04,806 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-09 23:12:04,807 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 147 states
[2022-02-09 23:12:04,807 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-09 23:12:04,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 147 interpolants.
[2022-02-09 23:12:04,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4094, Invalid=17368, Unknown=0, NotChecked=0, Total=21462
[2022-02-09 23:12:04,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-02-09 23:12:04,813 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-09 23:12:04,813 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 147 states, 147 states have (on average 3.061224489795918) internal successors, (450), 147 states have internal predecessors, (450), 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)
[2022-02-09 23:12:04,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states.
[2022-02-09 23:12:04,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states.
[2022-02-09 23:12:04,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states.
[2022-02-09 23:12:04,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states.
[2022-02-09 23:12:04,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 124 states.
[2022-02-09 23:12:04,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states.
[2022-02-09 23:12:04,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-02-09 23:12:08,787 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 618 transitions and produced 516 states.
[2022-02-09 23:12:08,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states.
[2022-02-09 23:12:08,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states.
[2022-02-09 23:12:08,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states.
[2022-02-09 23:12:08,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states.
[2022-02-09 23:12:08,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states.
[2022-02-09 23:12:08,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states.
[2022-02-09 23:12:08,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states.
[2022-02-09 23:12:08,804 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0
[2022-02-09 23:12:08,989 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6
[2022-02-09 23:12:08,989 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-09 23:12:08,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-09 23:12:08,990 INFO L85 PathProgramCache]: Analyzing trace with hash -2048802905, now seen corresponding path program 8 times
[2022-02-09 23:12:08,990 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-09 23:12:08,990 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2046989071]
[2022-02-09 23:12:08,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-09 23:12:08,991 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-09 23:12:09,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-09 23:12:10,138 INFO L134 CoverageAnalysis]: Checked inductivity of 5002 backedges. 0 proven. 4997 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.
[2022-02-09 23:12:10,138 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-09 23:12:10,138 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2046989071]
[2022-02-09 23:12:10,138 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2046989071] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-09 23:12:10,138 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [107930737]
[2022-02-09 23:12:10,139 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2022-02-09 23:12:10,139 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-09 23:12:10,139 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-09 23:12:10,140 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-02-09 23:12:10,140 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process
[2022-02-09 23:12:10,207 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2022-02-09 23:12:10,207 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-09 23:12:10,211 INFO L263 TraceCheckSpWp]: Trace formula consists of 435 conjuncts, 167 conjunts are in the unsatisfiable core
[2022-02-09 23:12:10,215 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-02-09 23:12:11,042 INFO L134 CoverageAnalysis]: Checked inductivity of 5002 backedges. 0 proven. 4997 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.
[2022-02-09 23:12:11,042 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2022-02-09 23:12:11,943 INFO L134 CoverageAnalysis]: Checked inductivity of 5002 backedges. 0 proven. 4997 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.
[2022-02-09 23:12:11,944 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [107930737] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-09 23:12:11,944 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-09 23:12:11,944 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41, 41, 41] total 41
[2022-02-09 23:12:11,944 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [293029596]
[2022-02-09 23:12:11,944 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-09 23:12:11,945 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 43 states
[2022-02-09 23:12:11,945 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-09 23:12:11,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants.
[2022-02-09 23:12:11,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=1723, Unknown=0, NotChecked=0, Total=1806
[2022-02-09 23:12:11,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-02-09 23:12:11,946 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-09 23:12:11,946 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 42 states have (on average 6.023809523809524) internal successors, (253), 42 states have internal predecessors, (253), 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)
[2022-02-09 23:12:11,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states.
[2022-02-09 23:12:11,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states.
[2022-02-09 23:12:11,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states.
[2022-02-09 23:12:11,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states.
[2022-02-09 23:12:11,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 124 states.
[2022-02-09 23:12:11,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states.
[2022-02-09 23:12:11,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states.
[2022-02-09 23:12:11,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-02-09 23:12:12,602 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 549 transitions and produced 520 states.
[2022-02-09 23:12:12,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states.
[2022-02-09 23:12:12,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states.
[2022-02-09 23:12:12,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states.
[2022-02-09 23:12:12,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states.
[2022-02-09 23:12:12,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states.
[2022-02-09 23:12:12,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states.
[2022-02-09 23:12:12,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states.
[2022-02-09 23:12:12,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states.
[2022-02-09 23:12:12,631 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0
[2022-02-09 23:12:12,810 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-09 23:12:12,811 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-09 23:12:12,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-09 23:12:12,811 INFO L85 PathProgramCache]: Analyzing trace with hash 1979625014, now seen corresponding path program 9 times
[2022-02-09 23:12:12,811 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-09 23:12:12,812 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000114869]
[2022-02-09 23:12:12,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-09 23:12:12,812 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-09 23:12:12,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-09 23:12:15,146 INFO L134 CoverageAnalysis]: Checked inductivity of 6531 backedges. 2636 proven. 3895 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-09 23:12:15,146 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-09 23:12:15,146 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2000114869]
[2022-02-09 23:12:15,146 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2000114869] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-09 23:12:15,147 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [381796772]
[2022-02-09 23:12:15,147 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2022-02-09 23:12:15,147 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-09 23:12:15,147 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-09 23:12:15,148 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-02-09 23:12:15,148 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process
[2022-02-09 23:12:15,254 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 53 check-sat command(s)
[2022-02-09 23:12:15,255 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-09 23:12:15,258 INFO L263 TraceCheckSpWp]: Trace formula consists of 490 conjuncts, 96 conjunts are in the unsatisfiable core
[2022-02-09 23:12:15,261 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-02-09 23:12:18,076 INFO L134 CoverageAnalysis]: Checked inductivity of 6531 backedges. 3876 proven. 2655 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-09 23:12:18,076 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2022-02-09 23:12:19,653 INFO L134 CoverageAnalysis]: Checked inductivity of 6531 backedges. 2636 proven. 3895 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-09 23:12:19,653 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [381796772] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-09 23:12:19,653 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-09 23:12:19,653 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [97, 97, 97] total 180
[2022-02-09 23:12:19,654 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806643621]
[2022-02-09 23:12:19,654 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-09 23:12:19,654 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 180 states
[2022-02-09 23:12:19,654 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-09 23:12:19,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 180 interpolants.
[2022-02-09 23:12:19,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6206, Invalid=26014, Unknown=0, NotChecked=0, Total=32220
[2022-02-09 23:12:19,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-02-09 23:12:19,660 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-09 23:12:19,661 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 180 states, 180 states have (on average 3.05) internal successors, (549), 180 states have internal predecessors, (549), 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)
[2022-02-09 23:12:19,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states.
[2022-02-09 23:12:19,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states.
[2022-02-09 23:12:19,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states.
[2022-02-09 23:12:19,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states.
[2022-02-09 23:12:19,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 124 states.
[2022-02-09 23:12:19,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states.
[2022-02-09 23:12:19,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states.
[2022-02-09 23:12:19,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states.
[2022-02-09 23:12:19,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-02-09 23:12:24,571 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 739 transitions and produced 627 states.
[2022-02-09 23:12:24,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states.
[2022-02-09 23:12:24,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states.
[2022-02-09 23:12:24,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states.
[2022-02-09 23:12:24,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states.
[2022-02-09 23:12:24,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states.
[2022-02-09 23:12:24,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states.
[2022-02-09 23:12:24,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states.
[2022-02-09 23:12:24,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states.
[2022-02-09 23:12:24,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 168 states.
[2022-02-09 23:12:24,588 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0
[2022-02-09 23:12:24,772 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8
[2022-02-09 23:12:24,772 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-09 23:12:24,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-09 23:12:24,773 INFO L85 PathProgramCache]: Analyzing trace with hash -1624374053, now seen corresponding path program 10 times
[2022-02-09 23:12:24,773 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-09 23:12:24,773 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312184856]
[2022-02-09 23:12:24,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-09 23:12:24,773 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-09 23:12:24,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-09 23:12:26,264 INFO L134 CoverageAnalysis]: Checked inductivity of 8060 backedges. 0 proven. 8055 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.
[2022-02-09 23:12:26,264 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-09 23:12:26,264 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [312184856]
[2022-02-09 23:12:26,264 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [312184856] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-09 23:12:26,267 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [564403399]
[2022-02-09 23:12:26,267 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST
[2022-02-09 23:12:26,267 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-09 23:12:26,267 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-09 23:12:26,268 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-02-09 23:12:26,270 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process
[2022-02-09 23:12:26,351 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s)
[2022-02-09 23:12:26,351 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-09 23:12:26,357 INFO L263 TraceCheckSpWp]: Trace formula consists of 545 conjuncts, 211 conjunts are in the unsatisfiable core
[2022-02-09 23:12:26,361 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-02-09 23:12:27,483 INFO L134 CoverageAnalysis]: Checked inductivity of 8060 backedges. 0 proven. 8055 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.
[2022-02-09 23:12:27,483 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2022-02-09 23:12:28,528 INFO L134 CoverageAnalysis]: Checked inductivity of 8060 backedges. 0 proven. 8055 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.
[2022-02-09 23:12:28,529 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [564403399] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-09 23:12:28,529 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-09 23:12:28,529 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [52, 52, 52] total 52
[2022-02-09 23:12:28,529 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1951600391]
[2022-02-09 23:12:28,529 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-09 23:12:28,530 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 54 states
[2022-02-09 23:12:28,530 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-09 23:12:28,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants.
[2022-02-09 23:12:28,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=2757, Unknown=0, NotChecked=0, Total=2862
[2022-02-09 23:12:28,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-02-09 23:12:28,531 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-09 23:12:28,531 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 54 states, 53 states have (on average 6.018867924528302) internal successors, (319), 53 states have internal predecessors, (319), 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)
[2022-02-09 23:12:28,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states.
[2022-02-09 23:12:28,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states.
[2022-02-09 23:12:28,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states.
[2022-02-09 23:12:28,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states.
[2022-02-09 23:12:28,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 124 states.
[2022-02-09 23:12:28,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states.
[2022-02-09 23:12:28,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states.
[2022-02-09 23:12:28,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states.
[2022-02-09 23:12:28,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 168 states.
[2022-02-09 23:12:28,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-02-09 23:12:29,494 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 670 transitions and produced 631 states.
[2022-02-09 23:12:29,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states.
[2022-02-09 23:12:29,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states.
[2022-02-09 23:12:29,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states.
[2022-02-09 23:12:29,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states.
[2022-02-09 23:12:29,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states.
[2022-02-09 23:12:29,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states.
[2022-02-09 23:12:29,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states.
[2022-02-09 23:12:29,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states.
[2022-02-09 23:12:29,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 168 states.
[2022-02-09 23:12:29,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states.
[2022-02-09 23:12:29,513 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0
[2022-02-09 23:12:29,699 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9
[2022-02-09 23:12:29,699 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-09 23:12:29,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-09 23:12:29,700 INFO L85 PathProgramCache]: Analyzing trace with hash -1167354966, now seen corresponding path program 11 times
[2022-02-09 23:12:29,700 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-09 23:12:29,700 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [685829175]
[2022-02-09 23:12:29,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-09 23:12:29,700 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-09 23:12:29,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-09 23:12:33,121 INFO L134 CoverageAnalysis]: Checked inductivity of 9952 backedges. 4165 proven. 5787 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-09 23:12:33,121 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-09 23:12:33,121 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [685829175]
[2022-02-09 23:12:33,121 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [685829175] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-09 23:12:33,121 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1975268171]
[2022-02-09 23:12:33,121 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1
[2022-02-09 23:12:33,122 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-09 23:12:33,122 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-09 23:12:33,128 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-02-09 23:12:33,129 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process
[2022-02-09 23:12:33,258 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 64 check-sat command(s)
[2022-02-09 23:12:33,258 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-09 23:12:33,263 INFO L263 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 118 conjunts are in the unsatisfiable core
[2022-02-09 23:12:33,269 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-02-09 23:12:37,073 INFO L134 CoverageAnalysis]: Checked inductivity of 9952 backedges. 5735 proven. 4217 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-09 23:12:37,073 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2022-02-09 23:12:39,040 INFO L134 CoverageAnalysis]: Checked inductivity of 9952 backedges. 4165 proven. 5787 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-09 23:12:39,040 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1975268171] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-09 23:12:39,041 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-09 23:12:39,041 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [119, 119, 119] total 213
[2022-02-09 23:12:39,041 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800999058]
[2022-02-09 23:12:39,041 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-09 23:12:39,042 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 213 states
[2022-02-09 23:12:39,042 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-09 23:12:39,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 213 interpolants.
[2022-02-09 23:12:39,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8802, Invalid=36354, Unknown=0, NotChecked=0, Total=45156
[2022-02-09 23:12:39,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-02-09 23:12:39,048 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-09 23:12:39,049 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 213 states, 213 states have (on average 3.0422535211267605) internal successors, (648), 213 states have internal predecessors, (648), 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)
[2022-02-09 23:12:39,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states.
[2022-02-09 23:12:39,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states.
[2022-02-09 23:12:39,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states.
[2022-02-09 23:12:39,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states.
[2022-02-09 23:12:39,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 124 states.
[2022-02-09 23:12:39,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states.
[2022-02-09 23:12:39,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states.
[2022-02-09 23:12:39,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states.
[2022-02-09 23:12:39,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 168 states.
[2022-02-09 23:12:39,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states.
[2022-02-09 23:12:39,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-02-09 23:12:45,553 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 860 transitions and produced 738 states.
[2022-02-09 23:12:45,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states.
[2022-02-09 23:12:45,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states.
[2022-02-09 23:12:45,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states.
[2022-02-09 23:12:45,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states.
[2022-02-09 23:12:45,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states.
[2022-02-09 23:12:45,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states.
[2022-02-09 23:12:45,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states.
[2022-02-09 23:12:45,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states.
[2022-02-09 23:12:45,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 168 states.
[2022-02-09 23:12:45,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states.
[2022-02-09 23:12:45,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 190 states.
[2022-02-09 23:12:45,574 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0
[2022-02-09 23:12:45,763 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10
[2022-02-09 23:12:45,763 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-09 23:12:45,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-09 23:12:45,764 INFO L85 PathProgramCache]: Analyzing trace with hash -1256808985, now seen corresponding path program 12 times
[2022-02-09 23:12:45,764 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-09 23:12:45,764 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [170315945]
[2022-02-09 23:12:45,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-09 23:12:45,764 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-09 23:12:45,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-09 23:12:47,827 INFO L134 CoverageAnalysis]: Checked inductivity of 11844 backedges. 0 proven. 11839 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.
[2022-02-09 23:12:47,827 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-09 23:12:47,827 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [170315945]
[2022-02-09 23:12:47,827 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [170315945] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-09 23:12:47,827 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [281108285]
[2022-02-09 23:12:47,827 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE
[2022-02-09 23:12:47,827 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-09 23:12:47,827 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-09 23:12:47,828 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-02-09 23:12:47,829 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process
[2022-02-09 23:12:47,963 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 64 check-sat command(s)
[2022-02-09 23:12:47,963 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-09 23:12:47,972 INFO L263 TraceCheckSpWp]: Trace formula consists of 655 conjuncts, 255 conjunts are in the unsatisfiable core
[2022-02-09 23:12:47,979 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-02-09 23:12:49,298 INFO L134 CoverageAnalysis]: Checked inductivity of 11844 backedges. 0 proven. 11839 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.
[2022-02-09 23:12:49,299 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2022-02-09 23:12:50,535 INFO L134 CoverageAnalysis]: Checked inductivity of 11844 backedges. 0 proven. 11839 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.
[2022-02-09 23:12:50,536 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [281108285] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-09 23:12:50,536 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-09 23:12:50,536 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [63, 63, 63] total 63
[2022-02-09 23:12:50,536 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218102692]
[2022-02-09 23:12:50,536 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-09 23:12:50,537 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 65 states
[2022-02-09 23:12:50,537 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-09 23:12:50,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants.
[2022-02-09 23:12:50,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=127, Invalid=4033, Unknown=0, NotChecked=0, Total=4160
[2022-02-09 23:12:50,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-02-09 23:12:50,538 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-09 23:12:50,538 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 65 states, 64 states have (on average 6.015625) internal successors, (385), 64 states have internal predecessors, (385), 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)
[2022-02-09 23:12:50,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states.
[2022-02-09 23:12:50,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states.
[2022-02-09 23:12:50,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states.
[2022-02-09 23:12:50,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states.
[2022-02-09 23:12:50,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 124 states.
[2022-02-09 23:12:50,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states.
[2022-02-09 23:12:50,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states.
[2022-02-09 23:12:50,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states.
[2022-02-09 23:12:50,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 168 states.
[2022-02-09 23:12:50,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states.
[2022-02-09 23:12:50,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 190 states.
[2022-02-09 23:12:50,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-02-09 23:12:51,890 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 791 transitions and produced 742 states.
[2022-02-09 23:12:51,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states.
[2022-02-09 23:12:51,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states.
[2022-02-09 23:12:51,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states.
[2022-02-09 23:12:51,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states.
[2022-02-09 23:12:51,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states.
[2022-02-09 23:12:51,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states.
[2022-02-09 23:12:51,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states.
[2022-02-09 23:12:51,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states.
[2022-02-09 23:12:51,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 168 states.
[2022-02-09 23:12:51,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states.
[2022-02-09 23:12:51,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 190 states.
[2022-02-09 23:12:51,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states.
[2022-02-09 23:12:51,908 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0
[2022-02-09 23:12:52,091 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11
[2022-02-09 23:12:52,091 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-09 23:12:52,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-09 23:12:52,092 INFO L85 PathProgramCache]: Analyzing trace with hash -1859404554, now seen corresponding path program 13 times
[2022-02-09 23:12:52,092 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-09 23:12:52,092 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1360722650]
[2022-02-09 23:12:52,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-09 23:12:52,092 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-09 23:12:52,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-09 23:12:56,788 INFO L134 CoverageAnalysis]: Checked inductivity of 14099 backedges. 6057 proven. 8042 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-09 23:12:56,788 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-09 23:12:56,788 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1360722650]
[2022-02-09 23:12:56,788 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1360722650] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-09 23:12:56,788 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [404616643]
[2022-02-09 23:12:56,789 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY
[2022-02-09 23:12:56,789 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-09 23:12:56,789 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-09 23:12:56,790 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-02-09 23:12:56,790 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process
[2022-02-09 23:12:56,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-09 23:12:56,893 INFO L263 TraceCheckSpWp]: Trace formula consists of 710 conjuncts, 140 conjunts are in the unsatisfiable core
[2022-02-09 23:12:56,899 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-02-09 23:13:01,842 INFO L134 CoverageAnalysis]: Checked inductivity of 14099 backedges. 7957 proven. 6142 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-09 23:13:01,842 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2022-02-09 23:13:04,131 INFO L134 CoverageAnalysis]: Checked inductivity of 14099 backedges. 6057 proven. 8042 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-09 23:13:04,131 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [404616643] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-09 23:13:04,131 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-09 23:13:04,131 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [141, 141, 141] total 246
[2022-02-09 23:13:04,132 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [229330881]
[2022-02-09 23:13:04,132 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-09 23:13:04,133 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 246 states
[2022-02-09 23:13:04,133 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-09 23:13:04,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 246 interpolants.
[2022-02-09 23:13:04,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11882, Invalid=48388, Unknown=0, NotChecked=0, Total=60270
[2022-02-09 23:13:04,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-02-09 23:13:04,139 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-09 23:13:04,140 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 246 states, 246 states have (on average 3.0365853658536586) internal successors, (747), 246 states have internal predecessors, (747), 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)
[2022-02-09 23:13:04,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states.
[2022-02-09 23:13:04,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states.
[2022-02-09 23:13:04,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states.
[2022-02-09 23:13:04,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states.
[2022-02-09 23:13:04,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 124 states.
[2022-02-09 23:13:04,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states.
[2022-02-09 23:13:04,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states.
[2022-02-09 23:13:04,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states.
[2022-02-09 23:13:04,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 168 states.
[2022-02-09 23:13:04,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states.
[2022-02-09 23:13:04,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 190 states.
[2022-02-09 23:13:04,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states.
[2022-02-09 23:13:04,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-02-09 23:13:12,628 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 981 transitions and produced 849 states.
[2022-02-09 23:13:12,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states.
[2022-02-09 23:13:12,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states.
[2022-02-09 23:13:12,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states.
[2022-02-09 23:13:12,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states.
[2022-02-09 23:13:12,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states.
[2022-02-09 23:13:12,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states.
[2022-02-09 23:13:12,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states.
[2022-02-09 23:13:12,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states.
[2022-02-09 23:13:12,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 168 states.
[2022-02-09 23:13:12,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states.
[2022-02-09 23:13:12,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 190 states.
[2022-02-09 23:13:12,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states.
[2022-02-09 23:13:12,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 212 states.
[2022-02-09 23:13:12,645 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0
[2022-02-09 23:13:12,829 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-09 23:13:12,829 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-09 23:13:12,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-09 23:13:12,830 INFO L85 PathProgramCache]: Analyzing trace with hash -231879141, now seen corresponding path program 14 times
[2022-02-09 23:13:12,830 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-09 23:13:12,830 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1567309465]
[2022-02-09 23:13:12,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-09 23:13:12,830 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-09 23:13:13,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-09 23:13:15,520 INFO L134 CoverageAnalysis]: Checked inductivity of 16354 backedges. 0 proven. 16349 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.
[2022-02-09 23:13:15,520 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-09 23:13:15,520 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1567309465]
[2022-02-09 23:13:15,520 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1567309465] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-09 23:13:15,520 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [58682750]
[2022-02-09 23:13:15,520 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2022-02-09 23:13:15,521 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-09 23:13:15,521 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-09 23:13:15,522 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-02-09 23:13:15,523 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process
[2022-02-09 23:13:15,666 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2022-02-09 23:13:15,666 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-09 23:13:15,671 INFO L263 TraceCheckSpWp]: Trace formula consists of 765 conjuncts, 299 conjunts are in the unsatisfiable core
[2022-02-09 23:13:15,675 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-02-09 23:13:17,141 INFO L134 CoverageAnalysis]: Checked inductivity of 16354 backedges. 0 proven. 16349 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.
[2022-02-09 23:13:17,141 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2022-02-09 23:13:18,570 INFO L134 CoverageAnalysis]: Checked inductivity of 16354 backedges. 0 proven. 16349 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.
[2022-02-09 23:13:18,570 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [58682750] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-09 23:13:18,570 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-09 23:13:18,571 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [74, 74, 74] total 74
[2022-02-09 23:13:18,571 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441709250]
[2022-02-09 23:13:18,571 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-09 23:13:18,572 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 76 states
[2022-02-09 23:13:18,572 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-09 23:13:18,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 76 interpolants.
[2022-02-09 23:13:18,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=149, Invalid=5551, Unknown=0, NotChecked=0, Total=5700
[2022-02-09 23:13:18,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-02-09 23:13:18,572 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-09 23:13:18,573 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 76 states, 75 states have (on average 6.013333333333334) internal successors, (451), 75 states have internal predecessors, (451), 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)
[2022-02-09 23:13:18,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states.
[2022-02-09 23:13:18,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states.
[2022-02-09 23:13:18,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states.
[2022-02-09 23:13:18,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states.
[2022-02-09 23:13:18,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 124 states.
[2022-02-09 23:13:18,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states.
[2022-02-09 23:13:18,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states.
[2022-02-09 23:13:18,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states.
[2022-02-09 23:13:18,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 168 states.
[2022-02-09 23:13:18,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states.
[2022-02-09 23:13:18,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 190 states.
[2022-02-09 23:13:18,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states.
[2022-02-09 23:13:18,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 212 states.
[2022-02-09 23:13:18,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-02-09 23:13:20,360 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 912 transitions and produced 853 states.
[2022-02-09 23:13:20,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states.
[2022-02-09 23:13:20,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states.
[2022-02-09 23:13:20,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states.
[2022-02-09 23:13:20,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states.
[2022-02-09 23:13:20,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states.
[2022-02-09 23:13:20,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states.
[2022-02-09 23:13:20,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states.
[2022-02-09 23:13:20,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states.
[2022-02-09 23:13:20,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 168 states.
[2022-02-09 23:13:20,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states.
[2022-02-09 23:13:20,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 190 states.
[2022-02-09 23:13:20,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states.
[2022-02-09 23:13:20,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 212 states.
[2022-02-09 23:13:20,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states.
[2022-02-09 23:13:20,378 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0
[2022-02-09 23:13:20,561 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-09 23:13:20,561 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-09 23:13:20,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-09 23:13:20,562 INFO L85 PathProgramCache]: Analyzing trace with hash 1129672042, now seen corresponding path program 15 times
[2022-02-09 23:13:20,562 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-09 23:13:20,562 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2067538046]
[2022-02-09 23:13:20,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-09 23:13:20,562 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-09 23:13:20,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-09 23:13:26,855 INFO L134 CoverageAnalysis]: Checked inductivity of 18972 backedges. 8312 proven. 10660 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-09 23:13:26,855 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-09 23:13:26,855 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2067538046]
[2022-02-09 23:13:26,855 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2067538046] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-09 23:13:26,855 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [238636558]
[2022-02-09 23:13:26,855 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2022-02-09 23:13:26,856 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-09 23:13:26,856 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-09 23:13:26,857 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-02-09 23:13:26,858 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process
[2022-02-09 23:13:27,082 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 86 check-sat command(s)
[2022-02-09 23:13:27,083 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-09 23:13:27,090 INFO L263 TraceCheckSpWp]: Trace formula consists of 820 conjuncts, 162 conjunts are in the unsatisfiable core
[2022-02-09 23:13:27,095 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-02-09 23:13:33,406 INFO L134 CoverageAnalysis]: Checked inductivity of 18972 backedges. 10542 proven. 8430 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-09 23:13:33,407 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2022-02-09 23:13:35,954 INFO L134 CoverageAnalysis]: Checked inductivity of 18972 backedges. 8312 proven. 10660 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-09 23:13:35,955 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [238636558] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-09 23:13:35,955 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-09 23:13:35,955 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [163, 163, 163] total 279
[2022-02-09 23:13:35,955 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773890585]
[2022-02-09 23:13:35,955 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-09 23:13:35,956 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 279 states
[2022-02-09 23:13:35,956 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-09 23:13:35,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 279 interpolants.
[2022-02-09 23:13:35,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15446, Invalid=62116, Unknown=0, NotChecked=0, Total=77562
[2022-02-09 23:13:35,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-02-09 23:13:35,962 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-09 23:13:35,962 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 279 states, 279 states have (on average 3.032258064516129) internal successors, (846), 279 states have internal predecessors, (846), 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)
[2022-02-09 23:13:35,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states.
[2022-02-09 23:13:35,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states.
[2022-02-09 23:13:35,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states.
[2022-02-09 23:13:35,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states.
[2022-02-09 23:13:35,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 124 states.
[2022-02-09 23:13:35,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states.
[2022-02-09 23:13:35,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states.
[2022-02-09 23:13:35,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states.
[2022-02-09 23:13:35,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 168 states.
[2022-02-09 23:13:35,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states.
[2022-02-09 23:13:35,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 190 states.
[2022-02-09 23:13:35,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states.
[2022-02-09 23:13:35,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 212 states.
[2022-02-09 23:13:35,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states.
[2022-02-09 23:13:35,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-02-09 23:13:46,942 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1102 transitions and produced 960 states.
[2022-02-09 23:13:46,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states.
[2022-02-09 23:13:46,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states.
[2022-02-09 23:13:46,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states.
[2022-02-09 23:13:46,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states.
[2022-02-09 23:13:46,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states.
[2022-02-09 23:13:46,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states.
[2022-02-09 23:13:46,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states.
[2022-02-09 23:13:46,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states.
[2022-02-09 23:13:46,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 168 states.
[2022-02-09 23:13:46,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states.
[2022-02-09 23:13:46,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 190 states.
[2022-02-09 23:13:46,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states.
[2022-02-09 23:13:46,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 212 states.
[2022-02-09 23:13:46,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states.
[2022-02-09 23:13:46,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 234 states.
[2022-02-09 23:13:46,960 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0
[2022-02-09 23:13:47,143 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14
[2022-02-09 23:13:47,144 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-09 23:13:47,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-09 23:13:47,144 INFO L85 PathProgramCache]: Analyzing trace with hash 1918827559, now seen corresponding path program 16 times
[2022-02-09 23:13:47,144 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-09 23:13:47,144 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831542496]
[2022-02-09 23:13:47,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-09 23:13:47,145 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-09 23:13:47,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-09 23:13:50,580 INFO L134 CoverageAnalysis]: Checked inductivity of 21590 backedges. 0 proven. 21585 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.
[2022-02-09 23:13:50,581 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-09 23:13:50,581 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [831542496]
[2022-02-09 23:13:50,581 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [831542496] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-09 23:13:50,581 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [868704544]
[2022-02-09 23:13:50,581 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST
[2022-02-09 23:13:50,581 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-09 23:13:50,581 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-09 23:13:50,583 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-02-09 23:13:50,584 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process
[2022-02-09 23:13:50,735 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s)
[2022-02-09 23:13:50,735 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-09 23:13:50,742 INFO L263 TraceCheckSpWp]: Trace formula consists of 875 conjuncts, 343 conjunts are in the unsatisfiable core
[2022-02-09 23:13:50,746 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-02-09 23:13:52,315 INFO L134 CoverageAnalysis]: Checked inductivity of 21590 backedges. 0 proven. 21585 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.
[2022-02-09 23:13:52,315 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2022-02-09 23:13:53,929 INFO L134 CoverageAnalysis]: Checked inductivity of 21590 backedges. 0 proven. 21585 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.
[2022-02-09 23:13:53,929 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [868704544] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-09 23:13:53,929 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-09 23:13:53,930 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [85, 85, 85] total 85
[2022-02-09 23:13:53,930 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [61921067]
[2022-02-09 23:13:53,930 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-09 23:13:53,930 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 87 states
[2022-02-09 23:13:53,930 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-09 23:13:53,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 87 interpolants.
[2022-02-09 23:13:53,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=171, Invalid=7311, Unknown=0, NotChecked=0, Total=7482
[2022-02-09 23:13:53,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-02-09 23:13:53,931 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-09 23:13:53,932 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 87 states, 86 states have (on average 6.011627906976744) internal successors, (517), 86 states have internal predecessors, (517), 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)
[2022-02-09 23:13:53,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states.
[2022-02-09 23:13:53,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states.
[2022-02-09 23:13:53,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states.
[2022-02-09 23:13:53,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states.
[2022-02-09 23:13:53,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 124 states.
[2022-02-09 23:13:53,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states.
[2022-02-09 23:13:53,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states.
[2022-02-09 23:13:53,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states.
[2022-02-09 23:13:53,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 168 states.
[2022-02-09 23:13:53,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states.
[2022-02-09 23:13:53,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 190 states.
[2022-02-09 23:13:53,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states.
[2022-02-09 23:13:53,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 212 states.
[2022-02-09 23:13:53,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states.
[2022-02-09 23:13:53,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 234 states.
[2022-02-09 23:13:53,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-02-09 23:13:56,318 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1033 transitions and produced 964 states.
[2022-02-09 23:13:56,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states.
[2022-02-09 23:13:56,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states.
[2022-02-09 23:13:56,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states.
[2022-02-09 23:13:56,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states.
[2022-02-09 23:13:56,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states.
[2022-02-09 23:13:56,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states.
[2022-02-09 23:13:56,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states.
[2022-02-09 23:13:56,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states.
[2022-02-09 23:13:56,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 168 states.
[2022-02-09 23:13:56,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states.
[2022-02-09 23:13:56,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 190 states.
[2022-02-09 23:13:56,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states.
[2022-02-09 23:13:56,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 212 states.
[2022-02-09 23:13:56,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states.
[2022-02-09 23:13:56,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 234 states.
[2022-02-09 23:13:56,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states.
[2022-02-09 23:13:56,336 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0
[2022-02-09 23:13:56,519 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15
[2022-02-09 23:13:56,520 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-09 23:13:56,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-09 23:13:56,520 INFO L85 PathProgramCache]: Analyzing trace with hash 1515719606, now seen corresponding path program 17 times
[2022-02-09 23:13:56,520 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-09 23:13:56,520 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572861122]
[2022-02-09 23:13:56,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-09 23:13:56,520 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-09 23:13:56,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-09 23:14:04,564 INFO L134 CoverageAnalysis]: Checked inductivity of 24571 backedges. 10930 proven. 13641 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-09 23:14:04,564 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-09 23:14:04,564 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [572861122]
[2022-02-09 23:14:04,565 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [572861122] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-09 23:14:04,565 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1553571252]
[2022-02-09 23:14:04,565 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1
[2022-02-09 23:14:04,565 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-09 23:14:04,565 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-09 23:14:04,566 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-02-09 23:14:04,567 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process
[2022-02-09 23:14:04,802 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 97 check-sat command(s)
[2022-02-09 23:14:04,802 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-09 23:14:04,815 INFO L263 TraceCheckSpWp]: Trace formula consists of 930 conjuncts, 184 conjunts are in the unsatisfiable core
[2022-02-09 23:14:04,820 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-02-09 23:14:12,590 INFO L134 CoverageAnalysis]: Checked inductivity of 24571 backedges. 13490 proven. 11081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-09 23:14:12,591 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2022-02-09 23:14:15,508 INFO L134 CoverageAnalysis]: Checked inductivity of 24571 backedges. 10930 proven. 13641 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-09 23:14:15,509 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1553571252] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-09 23:14:15,509 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-09 23:14:15,509 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [185, 185, 185] total 312
[2022-02-09 23:14:15,509 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1967929003]
[2022-02-09 23:14:15,509 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-09 23:14:15,510 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 312 states
[2022-02-09 23:14:15,510 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-09 23:14:15,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 312 interpolants.
[2022-02-09 23:14:15,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19494, Invalid=77538, Unknown=0, NotChecked=0, Total=97032
[2022-02-09 23:14:15,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-02-09 23:14:15,516 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-09 23:14:15,516 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 312 states, 312 states have (on average 3.0288461538461537) internal successors, (945), 312 states have internal predecessors, (945), 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)
[2022-02-09 23:14:15,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states.
[2022-02-09 23:14:15,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states.
[2022-02-09 23:14:15,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states.
[2022-02-09 23:14:15,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states.
[2022-02-09 23:14:15,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 124 states.
[2022-02-09 23:14:15,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states.
[2022-02-09 23:14:15,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states.
[2022-02-09 23:14:15,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states.
[2022-02-09 23:14:15,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 168 states.
[2022-02-09 23:14:15,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states.
[2022-02-09 23:14:15,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 190 states.
[2022-02-09 23:14:15,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states.
[2022-02-09 23:14:15,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 212 states.
[2022-02-09 23:14:15,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states.
[2022-02-09 23:14:15,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 234 states.
[2022-02-09 23:14:15,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states.
[2022-02-09 23:14:15,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-02-09 23:14:29,606 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1223 transitions and produced 1071 states.
[2022-02-09 23:14:29,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states.
[2022-02-09 23:14:29,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states.
[2022-02-09 23:14:29,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states.
[2022-02-09 23:14:29,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states.
[2022-02-09 23:14:29,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states.
[2022-02-09 23:14:29,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states.
[2022-02-09 23:14:29,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states.
[2022-02-09 23:14:29,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states.
[2022-02-09 23:14:29,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 168 states.
[2022-02-09 23:14:29,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states.
[2022-02-09 23:14:29,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 190 states.
[2022-02-09 23:14:29,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states.
[2022-02-09 23:14:29,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 212 states.
[2022-02-09 23:14:29,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states.
[2022-02-09 23:14:29,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 234 states.
[2022-02-09 23:14:29,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states.
[2022-02-09 23:14:29,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 256 states.
[2022-02-09 23:14:29,625 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0
[2022-02-09 23:14:29,808 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16
[2022-02-09 23:14:29,809 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-09 23:14:29,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-09 23:14:29,809 INFO L85 PathProgramCache]: Analyzing trace with hash -2078910629, now seen corresponding path program 18 times
[2022-02-09 23:14:29,809 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-09 23:14:29,809 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [351891599]
[2022-02-09 23:14:29,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-09 23:14:29,809 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-09 23:14:30,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-09 23:14:33,903 INFO L134 CoverageAnalysis]: Checked inductivity of 27552 backedges. 0 proven. 27547 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.
[2022-02-09 23:14:33,903 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-09 23:14:33,903 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [351891599]
[2022-02-09 23:14:33,903 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [351891599] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-09 23:14:33,903 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1152744232]
[2022-02-09 23:14:33,904 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE
[2022-02-09 23:14:33,904 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-09 23:14:33,904 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-09 23:14:33,905 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-02-09 23:14:33,907 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process
[2022-02-09 23:14:34,164 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 97 check-sat command(s)
[2022-02-09 23:14:34,165 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-09 23:14:34,179 INFO L263 TraceCheckSpWp]: Trace formula consists of 985 conjuncts, 387 conjunts are in the unsatisfiable core
[2022-02-09 23:14:34,186 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-02-09 23:14:36,025 INFO L134 CoverageAnalysis]: Checked inductivity of 27552 backedges. 0 proven. 27547 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.
[2022-02-09 23:14:36,025 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2022-02-09 23:14:37,861 INFO L134 CoverageAnalysis]: Checked inductivity of 27552 backedges. 0 proven. 27547 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.
[2022-02-09 23:14:37,861 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1152744232] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-09 23:14:37,862 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-09 23:14:37,862 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [96, 96, 96] total 96
[2022-02-09 23:14:37,862 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1583633104]
[2022-02-09 23:14:37,862 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-09 23:14:37,863 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 98 states
[2022-02-09 23:14:37,863 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-09 23:14:37,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 98 interpolants.
[2022-02-09 23:14:37,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=193, Invalid=9313, Unknown=0, NotChecked=0, Total=9506
[2022-02-09 23:14:37,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-02-09 23:14:37,863 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-09 23:14:37,864 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 98 states, 97 states have (on average 6.010309278350515) internal successors, (583), 97 states have internal predecessors, (583), 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)
[2022-02-09 23:14:37,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states.
[2022-02-09 23:14:37,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states.
[2022-02-09 23:14:37,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states.
[2022-02-09 23:14:37,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states.
[2022-02-09 23:14:37,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 124 states.
[2022-02-09 23:14:37,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states.
[2022-02-09 23:14:37,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states.
[2022-02-09 23:14:37,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states.
[2022-02-09 23:14:37,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 168 states.
[2022-02-09 23:14:37,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states.
[2022-02-09 23:14:37,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 190 states.
[2022-02-09 23:14:37,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states.
[2022-02-09 23:14:37,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 212 states.
[2022-02-09 23:14:37,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states.
[2022-02-09 23:14:37,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 234 states.
[2022-02-09 23:14:37,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states.
[2022-02-09 23:14:37,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 256 states.
[2022-02-09 23:14:37,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-02-09 23:14:40,962 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1154 transitions and produced 1075 states.
[2022-02-09 23:14:40,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states.
[2022-02-09 23:14:40,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states.
[2022-02-09 23:14:40,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states.
[2022-02-09 23:14:40,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states.
[2022-02-09 23:14:40,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states.
[2022-02-09 23:14:40,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states.
[2022-02-09 23:14:40,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states.
[2022-02-09 23:14:40,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states.
[2022-02-09 23:14:40,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 168 states.
[2022-02-09 23:14:40,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states.
[2022-02-09 23:14:40,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 190 states.
[2022-02-09 23:14:40,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states.
[2022-02-09 23:14:40,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 212 states.
[2022-02-09 23:14:40,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states.
[2022-02-09 23:14:40,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 234 states.
[2022-02-09 23:14:40,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states.
[2022-02-09 23:14:40,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 256 states.
[2022-02-09 23:14:40,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states.
[2022-02-09 23:14:40,980 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0
[2022-02-09 23:14:41,164 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17
[2022-02-09 23:14:41,164 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-09 23:14:41,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-09 23:14:41,164 INFO L85 PathProgramCache]: Analyzing trace with hash 555992874, now seen corresponding path program 19 times
[2022-02-09 23:14:41,165 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-09 23:14:41,165 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [970308871]
[2022-02-09 23:14:41,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-09 23:14:41,165 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-09 23:14:41,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-09 23:14:51,260 INFO L134 CoverageAnalysis]: Checked inductivity of 30896 backedges. 13911 proven. 16985 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-09 23:14:51,261 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-09 23:14:51,261 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [970308871]
[2022-02-09 23:14:51,261 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [970308871] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-09 23:14:51,261 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [632942321]
[2022-02-09 23:14:51,261 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY
[2022-02-09 23:14:51,261 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-09 23:14:51,261 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-09 23:14:51,263 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-02-09 23:14:51,263 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process
[2022-02-09 23:14:51,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-09 23:14:51,415 INFO L263 TraceCheckSpWp]: Trace formula consists of 1040 conjuncts, 206 conjunts are in the unsatisfiable core
[2022-02-09 23:14:51,421 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-02-09 23:15:00,830 INFO L134 CoverageAnalysis]: Checked inductivity of 30896 backedges. 16801 proven. 14095 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-09 23:15:00,831 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2022-02-09 23:15:04,095 INFO L134 CoverageAnalysis]: Checked inductivity of 30896 backedges. 13911 proven. 16985 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-09 23:15:04,095 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [632942321] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-09 23:15:04,095 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-09 23:15:04,096 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [207, 207, 207] total 345
[2022-02-09 23:15:04,096 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632847073]
[2022-02-09 23:15:04,096 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-09 23:15:04,097 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 345 states
[2022-02-09 23:15:04,097 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-09 23:15:04,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 345 interpolants.
[2022-02-09 23:15:04,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24026, Invalid=94654, Unknown=0, NotChecked=0, Total=118680
[2022-02-09 23:15:04,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-02-09 23:15:04,106 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-09 23:15:04,106 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 345 states, 345 states have (on average 3.026086956521739) internal successors, (1044), 345 states have internal predecessors, (1044), 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)
[2022-02-09 23:15:04,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states.
[2022-02-09 23:15:04,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states.
[2022-02-09 23:15:04,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states.
[2022-02-09 23:15:04,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states.
[2022-02-09 23:15:04,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 124 states.
[2022-02-09 23:15:04,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states.
[2022-02-09 23:15:04,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states.
[2022-02-09 23:15:04,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states.
[2022-02-09 23:15:04,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 168 states.
[2022-02-09 23:15:04,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states.
[2022-02-09 23:15:04,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 190 states.
[2022-02-09 23:15:04,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states.
[2022-02-09 23:15:04,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 212 states.
[2022-02-09 23:15:04,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states.
[2022-02-09 23:15:04,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 234 states.
[2022-02-09 23:15:04,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states.
[2022-02-09 23:15:04,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 256 states.
[2022-02-09 23:15:04,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states.
[2022-02-09 23:15:04,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-02-09 23:15:21,418 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1344 transitions and produced 1182 states.
[2022-02-09 23:15:21,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states.
[2022-02-09 23:15:21,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states.
[2022-02-09 23:15:21,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states.
[2022-02-09 23:15:21,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states.
[2022-02-09 23:15:21,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states.
[2022-02-09 23:15:21,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states.
[2022-02-09 23:15:21,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states.
[2022-02-09 23:15:21,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states.
[2022-02-09 23:15:21,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 168 states.
[2022-02-09 23:15:21,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states.
[2022-02-09 23:15:21,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 190 states.
[2022-02-09 23:15:21,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states.
[2022-02-09 23:15:21,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 212 states.
[2022-02-09 23:15:21,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states.
[2022-02-09 23:15:21,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 234 states.
[2022-02-09 23:15:21,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states.
[2022-02-09 23:15:21,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 256 states.
[2022-02-09 23:15:21,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states.
[2022-02-09 23:15:21,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 278 states.
[2022-02-09 23:15:21,437 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0
[2022-02-09 23:15:21,620 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-09 23:15:21,620 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-09 23:15:21,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-09 23:15:21,620 INFO L85 PathProgramCache]: Analyzing trace with hash -380446105, now seen corresponding path program 20 times
[2022-02-09 23:15:21,621 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-09 23:15:21,621 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1013307053]
[2022-02-09 23:15:21,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-09 23:15:21,621 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-09 23:15:21,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-09 23:15:26,820 INFO L134 CoverageAnalysis]: Checked inductivity of 34240 backedges. 0 proven. 34235 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.
[2022-02-09 23:15:26,820 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-09 23:15:26,820 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1013307053]
[2022-02-09 23:15:26,820 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1013307053] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-09 23:15:26,820 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2022339368]
[2022-02-09 23:15:26,820 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2022-02-09 23:15:26,820 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-09 23:15:26,820 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-09 23:15:26,822 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-02-09 23:15:26,822 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process
[2022-02-09 23:15:26,972 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2022-02-09 23:15:26,973 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-09 23:15:26,982 INFO L263 TraceCheckSpWp]: Trace formula consists of 1095 conjuncts, 431 conjunts are in the unsatisfiable core
[2022-02-09 23:15:26,989 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-02-09 23:15:29,017 INFO L134 CoverageAnalysis]: Checked inductivity of 34240 backedges. 0 proven. 34235 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.
[2022-02-09 23:15:29,017 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2022-02-09 23:15:31,236 INFO L134 CoverageAnalysis]: Checked inductivity of 34240 backedges. 0 proven. 34235 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.
[2022-02-09 23:15:31,237 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2022339368] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-09 23:15:31,237 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-09 23:15:31,237 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [107, 107, 107] total 107
[2022-02-09 23:15:31,237 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996012347]
[2022-02-09 23:15:31,237 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-09 23:15:31,238 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 109 states
[2022-02-09 23:15:31,238 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-09 23:15:31,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 109 interpolants.
[2022-02-09 23:15:31,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=215, Invalid=11557, Unknown=0, NotChecked=0, Total=11772
[2022-02-09 23:15:31,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-02-09 23:15:31,239 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-09 23:15:31,240 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 109 states, 108 states have (on average 6.0092592592592595) internal successors, (649), 108 states have internal predecessors, (649), 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)
[2022-02-09 23:15:31,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states.
[2022-02-09 23:15:31,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states.
[2022-02-09 23:15:31,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states.
[2022-02-09 23:15:31,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states.
[2022-02-09 23:15:31,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 124 states.
[2022-02-09 23:15:31,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states.
[2022-02-09 23:15:31,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states.
[2022-02-09 23:15:31,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states.
[2022-02-09 23:15:31,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 168 states.
[2022-02-09 23:15:31,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states.
[2022-02-09 23:15:31,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 190 states.
[2022-02-09 23:15:31,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states.
[2022-02-09 23:15:31,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 212 states.
[2022-02-09 23:15:31,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states.
[2022-02-09 23:15:31,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 234 states.
[2022-02-09 23:15:31,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states.
[2022-02-09 23:15:31,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 256 states.
[2022-02-09 23:15:31,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states.
[2022-02-09 23:15:31,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 278 states.
[2022-02-09 23:15:31,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-02-09 23:15:34,908 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1275 transitions and produced 1186 states.
[2022-02-09 23:15:34,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states.
[2022-02-09 23:15:34,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states.
[2022-02-09 23:15:34,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states.
[2022-02-09 23:15:34,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states.
[2022-02-09 23:15:34,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states.
[2022-02-09 23:15:34,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states.
[2022-02-09 23:15:34,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states.
[2022-02-09 23:15:34,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states.
[2022-02-09 23:15:34,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 168 states.
[2022-02-09 23:15:34,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states.
[2022-02-09 23:15:34,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 190 states.
[2022-02-09 23:15:34,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states.
[2022-02-09 23:15:34,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 212 states.
[2022-02-09 23:15:34,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states.
[2022-02-09 23:15:34,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 234 states.
[2022-02-09 23:15:34,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states.
[2022-02-09 23:15:34,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 256 states.
[2022-02-09 23:15:34,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states.
[2022-02-09 23:15:34,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 278 states.
[2022-02-09 23:15:34,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states.
[2022-02-09 23:15:34,927 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0
[2022-02-09 23:15:35,110 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-09 23:15:35,110 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-09 23:15:35,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-09 23:15:35,110 INFO L85 PathProgramCache]: Analyzing trace with hash 624663158, now seen corresponding path program 21 times
[2022-02-09 23:15:35,110 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-09 23:15:35,110 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394873128]
[2022-02-09 23:15:35,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-09 23:15:35,111 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-09 23:15:35,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-09 23:15:47,292 INFO L134 CoverageAnalysis]: Checked inductivity of 37947 backedges. 17255 proven. 20692 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-09 23:15:47,292 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-09 23:15:47,293 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [394873128]
[2022-02-09 23:15:47,293 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [394873128] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-09 23:15:47,293 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [819028244]
[2022-02-09 23:15:47,293 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2022-02-09 23:15:47,293 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-09 23:15:47,293 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-09 23:15:47,294 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-02-09 23:15:47,295 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process
[2022-02-09 23:15:47,625 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 119 check-sat command(s)
[2022-02-09 23:15:47,625 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-09 23:15:47,637 INFO L263 TraceCheckSpWp]: Trace formula consists of 1150 conjuncts, 228 conjunts are in the unsatisfiable core
[2022-02-09 23:15:47,644 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-02-09 23:15:59,039 INFO L134 CoverageAnalysis]: Checked inductivity of 37947 backedges. 20475 proven. 17472 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-09 23:15:59,039 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2022-02-09 23:16:02,503 INFO L134 CoverageAnalysis]: Checked inductivity of 37947 backedges. 17255 proven. 20692 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-09 23:16:02,503 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [819028244] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-09 23:16:02,503 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-09 23:16:02,503 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [229, 229, 229] total 378
[2022-02-09 23:16:02,503 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568130159]
[2022-02-09 23:16:02,503 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-09 23:16:02,505 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 378 states
[2022-02-09 23:16:02,505 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-09 23:16:02,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 378 interpolants.
[2022-02-09 23:16:02,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29042, Invalid=113464, Unknown=0, NotChecked=0, Total=142506
[2022-02-09 23:16:02,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-02-09 23:16:02,517 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-09 23:16:02,517 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 378 states, 378 states have (on average 3.0238095238095237) internal successors, (1143), 378 states have internal predecessors, (1143), 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)
[2022-02-09 23:16:02,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states.
[2022-02-09 23:16:02,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states.
[2022-02-09 23:16:02,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states.
[2022-02-09 23:16:02,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states.
[2022-02-09 23:16:02,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 124 states.
[2022-02-09 23:16:02,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states.
[2022-02-09 23:16:02,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states.
[2022-02-09 23:16:02,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states.
[2022-02-09 23:16:02,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 168 states.
[2022-02-09 23:16:02,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states.
[2022-02-09 23:16:02,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 190 states.
[2022-02-09 23:16:02,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states.
[2022-02-09 23:16:02,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 212 states.
[2022-02-09 23:16:02,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states.
[2022-02-09 23:16:02,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 234 states.
[2022-02-09 23:16:02,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states.
[2022-02-09 23:16:02,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 256 states.
[2022-02-09 23:16:02,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states.
[2022-02-09 23:16:02,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 278 states.
[2022-02-09 23:16:02,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states.
[2022-02-09 23:16:02,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-02-09 23:16:24,108 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1465 transitions and produced 1293 states.
[2022-02-09 23:16:24,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states.
[2022-02-09 23:16:24,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states.
[2022-02-09 23:16:24,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states.
[2022-02-09 23:16:24,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states.
[2022-02-09 23:16:24,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states.
[2022-02-09 23:16:24,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states.
[2022-02-09 23:16:24,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states.
[2022-02-09 23:16:24,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states.
[2022-02-09 23:16:24,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 168 states.
[2022-02-09 23:16:24,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states.
[2022-02-09 23:16:24,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 190 states.
[2022-02-09 23:16:24,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states.
[2022-02-09 23:16:24,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 212 states.
[2022-02-09 23:16:24,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states.
[2022-02-09 23:16:24,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 234 states.
[2022-02-09 23:16:24,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states.
[2022-02-09 23:16:24,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 256 states.
[2022-02-09 23:16:24,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states.
[2022-02-09 23:16:24,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 278 states.
[2022-02-09 23:16:24,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states.
[2022-02-09 23:16:24,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 300 states.
[2022-02-09 23:16:24,128 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0
[2022-02-09 23:16:24,310 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-09 23:16:24,310 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-09 23:16:24,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-09 23:16:24,311 INFO L85 PathProgramCache]: Analyzing trace with hash 1479516315, now seen corresponding path program 22 times
[2022-02-09 23:16:24,311 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-09 23:16:24,311 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [163552534]
[2022-02-09 23:16:24,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-09 23:16:24,311 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-09 23:16:24,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-09 23:16:30,257 INFO L134 CoverageAnalysis]: Checked inductivity of 41654 backedges. 0 proven. 41649 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.
[2022-02-09 23:16:30,257 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-09 23:16:30,257 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [163552534]
[2022-02-09 23:16:30,257 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [163552534] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-09 23:16:30,257 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1471262796]
[2022-02-09 23:16:30,258 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST
[2022-02-09 23:16:30,258 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-09 23:16:30,258 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-09 23:16:30,259 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-02-09 23:16:30,262 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process
[2022-02-09 23:16:30,486 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s)
[2022-02-09 23:16:30,486 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-09 23:16:30,498 INFO L263 TraceCheckSpWp]: Trace formula consists of 1205 conjuncts, 475 conjunts are in the unsatisfiable core
[2022-02-09 23:16:30,505 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-02-09 23:16:32,800 INFO L134 CoverageAnalysis]: Checked inductivity of 41654 backedges. 0 proven. 41649 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.
[2022-02-09 23:16:32,800 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2022-02-09 23:16:35,094 INFO L134 CoverageAnalysis]: Checked inductivity of 41654 backedges. 0 proven. 41649 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.
[2022-02-09 23:16:35,094 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1471262796] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-09 23:16:35,094 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-09 23:16:35,094 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [118, 118, 118] total 118
[2022-02-09 23:16:35,094 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632555374]
[2022-02-09 23:16:35,094 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-09 23:16:35,095 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 120 states
[2022-02-09 23:16:35,095 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-09 23:16:35,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 120 interpolants.
[2022-02-09 23:16:35,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=237, Invalid=14043, Unknown=0, NotChecked=0, Total=14280
[2022-02-09 23:16:35,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-02-09 23:16:35,096 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-09 23:16:35,097 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 120 states, 119 states have (on average 6.008403361344538) internal successors, (715), 119 states have internal predecessors, (715), 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)
[2022-02-09 23:16:35,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states.
[2022-02-09 23:16:35,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states.
[2022-02-09 23:16:35,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states.
[2022-02-09 23:16:35,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states.
[2022-02-09 23:16:35,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 124 states.
[2022-02-09 23:16:35,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states.
[2022-02-09 23:16:35,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states.
[2022-02-09 23:16:35,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states.
[2022-02-09 23:16:35,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 168 states.
[2022-02-09 23:16:35,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states.
[2022-02-09 23:16:35,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 190 states.
[2022-02-09 23:16:35,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states.
[2022-02-09 23:16:35,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 212 states.
[2022-02-09 23:16:35,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states.
[2022-02-09 23:16:35,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 234 states.
[2022-02-09 23:16:35,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states.
[2022-02-09 23:16:35,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 256 states.
[2022-02-09 23:16:35,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states.
[2022-02-09 23:16:35,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 278 states.
[2022-02-09 23:16:35,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states.
[2022-02-09 23:16:35,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 300 states.
[2022-02-09 23:16:35,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-02-09 23:16:39,540 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1396 transitions and produced 1297 states.
[2022-02-09 23:16:39,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states.
[2022-02-09 23:16:39,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states.
[2022-02-09 23:16:39,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states.
[2022-02-09 23:16:39,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states.
[2022-02-09 23:16:39,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states.
[2022-02-09 23:16:39,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states.
[2022-02-09 23:16:39,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states.
[2022-02-09 23:16:39,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states.
[2022-02-09 23:16:39,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 168 states.
[2022-02-09 23:16:39,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states.
[2022-02-09 23:16:39,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 190 states.
[2022-02-09 23:16:39,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states.
[2022-02-09 23:16:39,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 212 states.
[2022-02-09 23:16:39,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states.
[2022-02-09 23:16:39,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 234 states.
[2022-02-09 23:16:39,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states.
[2022-02-09 23:16:39,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 256 states.
[2022-02-09 23:16:39,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states.
[2022-02-09 23:16:39,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 278 states.
[2022-02-09 23:16:39,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states.
[2022-02-09 23:16:39,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 300 states.
[2022-02-09 23:16:39,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states.
[2022-02-09 23:16:39,564 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0
[2022-02-09 23:16:39,751 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-09 23:16:39,751 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-09 23:16:39,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-09 23:16:39,752 INFO L85 PathProgramCache]: Analyzing trace with hash -146890518, now seen corresponding path program 23 times
[2022-02-09 23:16:39,752 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-09 23:16:39,752 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416266571]
[2022-02-09 23:16:39,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-09 23:16:39,752 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-09 23:16:40,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-09 23:16:54,615 INFO L134 CoverageAnalysis]: Checked inductivity of 45724 backedges. 20962 proven. 24762 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-09 23:16:54,616 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-09 23:16:54,616 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1416266571]
[2022-02-09 23:16:54,616 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1416266571] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-09 23:16:54,616 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [731986948]
[2022-02-09 23:16:54,616 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1
[2022-02-09 23:16:54,617 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-09 23:16:54,617 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-09 23:16:54,618 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-02-09 23:16:54,619 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process
[2022-02-09 23:16:54,919 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 130 check-sat command(s)
[2022-02-09 23:16:54,919 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-09 23:16:54,941 INFO L263 TraceCheckSpWp]: Trace formula consists of 1260 conjuncts, 250 conjunts are in the unsatisfiable core
[2022-02-09 23:16:54,948 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-02-09 23:17:08,162 INFO L134 CoverageAnalysis]: Checked inductivity of 45724 backedges. 24512 proven. 21212 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-09 23:17:08,163 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2022-02-09 23:17:11,955 INFO L134 CoverageAnalysis]: Checked inductivity of 45724 backedges. 20962 proven. 24762 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-09 23:17:11,956 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [731986948] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-09 23:17:11,956 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-09 23:17:11,956 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [251, 251, 251] total 411
[2022-02-09 23:17:11,956 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1007002967]
[2022-02-09 23:17:11,956 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-09 23:17:11,957 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 411 states
[2022-02-09 23:17:11,957 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-09 23:17:11,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 411 interpolants.
[2022-02-09 23:17:11,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34542, Invalid=133968, Unknown=0, NotChecked=0, Total=168510
[2022-02-09 23:17:11,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-02-09 23:17:11,968 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-09 23:17:11,969 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 411 states, 411 states have (on average 3.021897810218978) internal successors, (1242), 411 states have internal predecessors, (1242), 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)
[2022-02-09 23:17:11,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states.
[2022-02-09 23:17:11,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states.
[2022-02-09 23:17:11,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states.
[2022-02-09 23:17:11,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states.
[2022-02-09 23:17:11,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 124 states.
[2022-02-09 23:17:11,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states.
[2022-02-09 23:17:11,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states.
[2022-02-09 23:17:11,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states.
[2022-02-09 23:17:11,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 168 states.
[2022-02-09 23:17:11,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states.
[2022-02-09 23:17:11,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 190 states.
[2022-02-09 23:17:11,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states.
[2022-02-09 23:17:11,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 212 states.
[2022-02-09 23:17:11,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states.
[2022-02-09 23:17:11,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 234 states.
[2022-02-09 23:17:11,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states.
[2022-02-09 23:17:11,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 256 states.
[2022-02-09 23:17:11,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states.
[2022-02-09 23:17:11,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 278 states.
[2022-02-09 23:17:11,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states.
[2022-02-09 23:17:11,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 300 states.
[2022-02-09 23:17:11,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states.
[2022-02-09 23:17:11,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-02-09 23:17:39,759 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1586 transitions and produced 1404 states.
[2022-02-09 23:17:39,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states.
[2022-02-09 23:17:39,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states.
[2022-02-09 23:17:39,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states.
[2022-02-09 23:17:39,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states.
[2022-02-09 23:17:39,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states.
[2022-02-09 23:17:39,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states.
[2022-02-09 23:17:39,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states.
[2022-02-09 23:17:39,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states.
[2022-02-09 23:17:39,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 168 states.
[2022-02-09 23:17:39,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states.
[2022-02-09 23:17:39,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 190 states.
[2022-02-09 23:17:39,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states.
[2022-02-09 23:17:39,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 212 states.
[2022-02-09 23:17:39,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states.
[2022-02-09 23:17:39,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 234 states.
[2022-02-09 23:17:39,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states.
[2022-02-09 23:17:39,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 256 states.
[2022-02-09 23:17:39,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states.
[2022-02-09 23:17:39,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 278 states.
[2022-02-09 23:17:39,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states.
[2022-02-09 23:17:39,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 300 states.
[2022-02-09 23:17:39,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states.
[2022-02-09 23:17:39,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 322 states.
[2022-02-09 23:17:39,780 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0
[2022-02-09 23:17:39,962 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-09 23:17:39,962 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-09 23:17:39,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-09 23:17:39,962 INFO L85 PathProgramCache]: Analyzing trace with hash -2088093529, now seen corresponding path program 24 times
[2022-02-09 23:17:39,962 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-09 23:17:39,962 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330379246]
[2022-02-09 23:17:39,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-09 23:17:39,963 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-09 23:17:40,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-09 23:17:46,897 INFO L134 CoverageAnalysis]: Checked inductivity of 49794 backedges. 0 proven. 49789 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.
[2022-02-09 23:17:46,897 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-09 23:17:46,897 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1330379246]
[2022-02-09 23:17:46,898 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1330379246] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-09 23:17:46,898 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1323666866]
[2022-02-09 23:17:46,898 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE
[2022-02-09 23:17:46,898 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-09 23:17:46,898 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-09 23:17:46,899 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-02-09 23:17:46,899 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process
[2022-02-09 23:17:47,216 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 130 check-sat command(s)
[2022-02-09 23:17:47,216 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-09 23:17:47,235 INFO L263 TraceCheckSpWp]: Trace formula consists of 1315 conjuncts, 519 conjunts are in the unsatisfiable core
[2022-02-09 23:17:47,241 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-02-09 23:17:49,681 INFO L134 CoverageAnalysis]: Checked inductivity of 49794 backedges. 0 proven. 49789 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.
[2022-02-09 23:17:49,681 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2022-02-09 23:17:52,116 INFO L134 CoverageAnalysis]: Checked inductivity of 49794 backedges. 0 proven. 49789 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.
[2022-02-09 23:17:52,116 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1323666866] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-09 23:17:52,116 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-09 23:17:52,116 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [129, 129, 129] total 129
[2022-02-09 23:17:52,117 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764987256]
[2022-02-09 23:17:52,117 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-09 23:17:52,117 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 131 states
[2022-02-09 23:17:52,117 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-09 23:17:52,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 131 interpolants.
[2022-02-09 23:17:52,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=259, Invalid=16771, Unknown=0, NotChecked=0, Total=17030
[2022-02-09 23:17:52,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-02-09 23:17:52,118 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-09 23:17:52,119 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 131 states, 130 states have (on average 6.007692307692308) internal successors, (781), 130 states have internal predecessors, (781), 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)
[2022-02-09 23:17:52,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states.
[2022-02-09 23:17:52,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states.
[2022-02-09 23:17:52,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states.
[2022-02-09 23:17:52,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states.
[2022-02-09 23:17:52,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 124 states.
[2022-02-09 23:17:52,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states.
[2022-02-09 23:17:52,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states.
[2022-02-09 23:17:52,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states.
[2022-02-09 23:17:52,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 168 states.
[2022-02-09 23:17:52,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states.
[2022-02-09 23:17:52,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 190 states.
[2022-02-09 23:17:52,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states.
[2022-02-09 23:17:52,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 212 states.
[2022-02-09 23:17:52,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states.
[2022-02-09 23:17:52,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 234 states.
[2022-02-09 23:17:52,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states.
[2022-02-09 23:17:52,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 256 states.
[2022-02-09 23:17:52,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states.
[2022-02-09 23:17:52,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 278 states.
[2022-02-09 23:17:52,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states.
[2022-02-09 23:17:52,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 300 states.
[2022-02-09 23:17:52,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states.
[2022-02-09 23:17:52,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 322 states.
[2022-02-09 23:17:52,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-02-09 23:17:57,425 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1517 transitions and produced 1408 states.
[2022-02-09 23:17:57,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states.
[2022-02-09 23:17:57,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states.
[2022-02-09 23:17:57,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states.
[2022-02-09 23:17:57,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states.
[2022-02-09 23:17:57,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states.
[2022-02-09 23:17:57,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states.
[2022-02-09 23:17:57,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states.
[2022-02-09 23:17:57,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states.
[2022-02-09 23:17:57,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 168 states.
[2022-02-09 23:17:57,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states.
[2022-02-09 23:17:57,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 190 states.
[2022-02-09 23:17:57,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states.
[2022-02-09 23:17:57,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 212 states.
[2022-02-09 23:17:57,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states.
[2022-02-09 23:17:57,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 234 states.
[2022-02-09 23:17:57,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states.
[2022-02-09 23:17:57,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 256 states.
[2022-02-09 23:17:57,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states.
[2022-02-09 23:17:57,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 278 states.
[2022-02-09 23:17:57,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states.
[2022-02-09 23:17:57,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 300 states.
[2022-02-09 23:17:57,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states.
[2022-02-09 23:17:57,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 322 states.
[2022-02-09 23:17:57,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states.
[2022-02-09 23:17:57,448 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0
[2022-02-09 23:17:57,627 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23
[2022-02-09 23:17:57,627 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-09 23:17:57,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-09 23:17:57,628 INFO L85 PathProgramCache]: Analyzing trace with hash 1938712886, now seen corresponding path program 25 times
[2022-02-09 23:17:57,628 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-09 23:17:57,628 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933474542]
[2022-02-09 23:17:57,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-09 23:17:57,628 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-09 23:17:58,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-09 23:18:14,797 INFO L134 CoverageAnalysis]: Checked inductivity of 54227 backedges. 25032 proven. 29195 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-09 23:18:14,798 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-09 23:18:14,798 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [933474542]
[2022-02-09 23:18:14,798 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [933474542] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-09 23:18:14,798 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [508237066]
[2022-02-09 23:18:14,798 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY
[2022-02-09 23:18:14,798 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-09 23:18:14,798 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-09 23:18:14,799 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-02-09 23:18:14,800 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process
[2022-02-09 23:18:14,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-09 23:18:14,994 INFO L263 TraceCheckSpWp]: Trace formula consists of 1370 conjuncts, 272 conjunts are in the unsatisfiable core
[2022-02-09 23:18:15,000 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-02-09 23:18:30,339 INFO L134 CoverageAnalysis]: Checked inductivity of 54227 backedges. 28912 proven. 25315 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-09 23:18:30,339 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2022-02-09 23:18:34,473 INFO L134 CoverageAnalysis]: Checked inductivity of 54227 backedges. 25032 proven. 29195 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-09 23:18:34,474 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [508237066] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-09 23:18:34,474 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-09 23:18:34,474 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [273, 273, 273] total 444
[2022-02-09 23:18:34,474 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100641391]
[2022-02-09 23:18:34,474 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-09 23:18:34,475 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 444 states
[2022-02-09 23:18:34,475 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-09 23:18:34,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 444 interpolants.
[2022-02-09 23:18:34,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40526, Invalid=156166, Unknown=0, NotChecked=0, Total=196692
[2022-02-09 23:18:34,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-02-09 23:18:34,492 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-09 23:18:34,493 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 444 states, 444 states have (on average 3.02027027027027) internal successors, (1341), 444 states have internal predecessors, (1341), 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)
[2022-02-09 23:18:34,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states.
[2022-02-09 23:18:34,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states.
[2022-02-09 23:18:34,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states.
[2022-02-09 23:18:34,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states.
[2022-02-09 23:18:34,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 124 states.
[2022-02-09 23:18:34,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states.
[2022-02-09 23:18:34,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states.
[2022-02-09 23:18:34,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states.
[2022-02-09 23:18:34,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 168 states.
[2022-02-09 23:18:34,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states.
[2022-02-09 23:18:34,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 190 states.
[2022-02-09 23:18:34,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states.
[2022-02-09 23:18:34,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 212 states.
[2022-02-09 23:18:34,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states.
[2022-02-09 23:18:34,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 234 states.
[2022-02-09 23:18:34,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states.
[2022-02-09 23:18:34,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 256 states.
[2022-02-09 23:18:34,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states.
[2022-02-09 23:18:34,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 278 states.
[2022-02-09 23:18:34,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states.
[2022-02-09 23:18:34,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 300 states.
[2022-02-09 23:18:34,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states.
[2022-02-09 23:18:34,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 322 states.
[2022-02-09 23:18:34,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states.
[2022-02-09 23:18:34,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-02-09 23:19:08,187 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1707 transitions and produced 1515 states.
[2022-02-09 23:19:08,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states.
[2022-02-09 23:19:08,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states.
[2022-02-09 23:19:08,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states.
[2022-02-09 23:19:08,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states.
[2022-02-09 23:19:08,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states.
[2022-02-09 23:19:08,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states.
[2022-02-09 23:19:08,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states.
[2022-02-09 23:19:08,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states.
[2022-02-09 23:19:08,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 168 states.
[2022-02-09 23:19:08,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states.
[2022-02-09 23:19:08,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 190 states.
[2022-02-09 23:19:08,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states.
[2022-02-09 23:19:08,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 212 states.
[2022-02-09 23:19:08,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states.
[2022-02-09 23:19:08,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 234 states.
[2022-02-09 23:19:08,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states.
[2022-02-09 23:19:08,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 256 states.
[2022-02-09 23:19:08,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states.
[2022-02-09 23:19:08,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 278 states.
[2022-02-09 23:19:08,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states.
[2022-02-09 23:19:08,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 300 states.
[2022-02-09 23:19:08,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states.
[2022-02-09 23:19:08,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 322 states.
[2022-02-09 23:19:08,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states.
[2022-02-09 23:19:08,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 344 states.
[2022-02-09 23:19:08,206 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0
[2022-02-09 23:19:08,389 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24
[2022-02-09 23:19:08,389 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-09 23:19:08,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-09 23:19:08,390 INFO L85 PathProgramCache]: Analyzing trace with hash 63023579, now seen corresponding path program 26 times
[2022-02-09 23:19:08,390 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-09 23:19:08,390 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1435914201]
[2022-02-09 23:19:08,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-09 23:19:08,390 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-09 23:19:08,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-09 23:19:16,631 INFO L134 CoverageAnalysis]: Checked inductivity of 58660 backedges. 0 proven. 58655 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.
[2022-02-09 23:19:16,631 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-09 23:19:16,631 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1435914201]
[2022-02-09 23:19:16,631 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1435914201] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-09 23:19:16,631 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1498819439]
[2022-02-09 23:19:16,631 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2022-02-09 23:19:16,632 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-09 23:19:16,632 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-09 23:19:16,633 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-02-09 23:19:16,634 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process
[2022-02-09 23:19:16,835 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2022-02-09 23:19:16,836 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-09 23:19:16,850 INFO L263 TraceCheckSpWp]: Trace formula consists of 1425 conjuncts, 563 conjunts are in the unsatisfiable core
[2022-02-09 23:19:16,856 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-02-09 23:19:19,515 INFO L134 CoverageAnalysis]: Checked inductivity of 58660 backedges. 0 proven. 58655 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.
[2022-02-09 23:19:19,516 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2022-02-09 23:19:22,244 INFO L134 CoverageAnalysis]: Checked inductivity of 58660 backedges. 0 proven. 58655 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.
[2022-02-09 23:19:22,244 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1498819439] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-09 23:19:22,244 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-09 23:19:22,244 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [140, 140, 140] total 140
[2022-02-09 23:19:22,244 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137650030]
[2022-02-09 23:19:22,244 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-09 23:19:22,245 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 142 states
[2022-02-09 23:19:22,245 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-09 23:19:22,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 142 interpolants.
[2022-02-09 23:19:22,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=281, Invalid=19741, Unknown=0, NotChecked=0, Total=20022
[2022-02-09 23:19:22,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-02-09 23:19:22,246 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-09 23:19:22,247 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 142 states, 141 states have (on average 6.00709219858156) internal successors, (847), 141 states have internal predecessors, (847), 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)
[2022-02-09 23:19:22,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states.
[2022-02-09 23:19:22,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states.
[2022-02-09 23:19:22,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states.
[2022-02-09 23:19:22,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states.
[2022-02-09 23:19:22,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 124 states.
[2022-02-09 23:19:22,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states.
[2022-02-09 23:19:22,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states.
[2022-02-09 23:19:22,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states.
[2022-02-09 23:19:22,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 168 states.
[2022-02-09 23:19:22,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states.
[2022-02-09 23:19:22,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 190 states.
[2022-02-09 23:19:22,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states.
[2022-02-09 23:19:22,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 212 states.
[2022-02-09 23:19:22,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states.
[2022-02-09 23:19:22,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 234 states.
[2022-02-09 23:19:22,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states.
[2022-02-09 23:19:22,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 256 states.
[2022-02-09 23:19:22,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states.
[2022-02-09 23:19:22,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 278 states.
[2022-02-09 23:19:22,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states.
[2022-02-09 23:19:22,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 300 states.
[2022-02-09 23:19:22,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states.
[2022-02-09 23:19:22,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 322 states.
[2022-02-09 23:19:22,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states.
[2022-02-09 23:19:22,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 344 states.
[2022-02-09 23:19:22,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-02-09 23:19:28,388 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1638 transitions and produced 1519 states.
[2022-02-09 23:19:28,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states.
[2022-02-09 23:19:28,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states.
[2022-02-09 23:19:28,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states.
[2022-02-09 23:19:28,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states.
[2022-02-09 23:19:28,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states.
[2022-02-09 23:19:28,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states.
[2022-02-09 23:19:28,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states.
[2022-02-09 23:19:28,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states.
[2022-02-09 23:19:28,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 168 states.
[2022-02-09 23:19:28,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states.
[2022-02-09 23:19:28,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 190 states.
[2022-02-09 23:19:28,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states.
[2022-02-09 23:19:28,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 212 states.
[2022-02-09 23:19:28,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states.
[2022-02-09 23:19:28,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 234 states.
[2022-02-09 23:19:28,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states.
[2022-02-09 23:19:28,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 256 states.
[2022-02-09 23:19:28,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states.
[2022-02-09 23:19:28,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 278 states.
[2022-02-09 23:19:28,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states.
[2022-02-09 23:19:28,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 300 states.
[2022-02-09 23:19:28,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states.
[2022-02-09 23:19:28,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 322 states.
[2022-02-09 23:19:28,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states.
[2022-02-09 23:19:28,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 344 states.
[2022-02-09 23:19:28,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 142 states.
[2022-02-09 23:19:28,408 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0
[2022-02-09 23:19:28,590 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25
[2022-02-09 23:19:28,591 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-09 23:19:28,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-09 23:19:28,591 INFO L85 PathProgramCache]: Analyzing trace with hash -351405398, now seen corresponding path program 27 times
[2022-02-09 23:19:28,591 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-09 23:19:28,591 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438702809]
[2022-02-09 23:19:28,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-09 23:19:28,591 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-09 23:19:29,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-09 23:19:49,059 INFO L134 CoverageAnalysis]: Checked inductivity of 63456 backedges. 29465 proven. 33991 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-09 23:19:49,060 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-09 23:19:49,060 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1438702809]
[2022-02-09 23:19:49,060 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1438702809] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-09 23:19:49,060 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1309971737]
[2022-02-09 23:19:49,060 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2022-02-09 23:19:49,060 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-09 23:19:49,060 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-09 23:19:49,061 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-02-09 23:19:49,062 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process
[2022-02-09 23:19:49,593 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 152 check-sat command(s)
[2022-02-09 23:19:49,593 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-09 23:19:49,612 INFO L263 TraceCheckSpWp]: Trace formula consists of 1480 conjuncts, 294 conjunts are in the unsatisfiable core
[2022-02-09 23:19:49,618 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-02-09 23:20:07,481 INFO L134 CoverageAnalysis]: Checked inductivity of 63456 backedges. 33675 proven. 29781 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-09 23:20:07,482 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2022-02-09 23:20:12,011 INFO L134 CoverageAnalysis]: Checked inductivity of 63456 backedges. 29465 proven. 33991 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-09 23:20:12,012 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1309971737] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-09 23:20:12,012 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-09 23:20:12,012 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [295, 295, 295] total 477
[2022-02-09 23:20:12,012 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527962783]
[2022-02-09 23:20:12,012 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-09 23:20:12,013 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 477 states
[2022-02-09 23:20:12,013 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-09 23:20:12,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 477 interpolants.
[2022-02-09 23:20:12,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46994, Invalid=180058, Unknown=0, NotChecked=0, Total=227052
[2022-02-09 23:20:12,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-02-09 23:20:12,028 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-09 23:20:12,029 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 477 states, 477 states have (on average 3.018867924528302) internal successors, (1440), 477 states have internal predecessors, (1440), 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)
[2022-02-09 23:20:12,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states.
[2022-02-09 23:20:12,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states.
[2022-02-09 23:20:12,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states.
[2022-02-09 23:20:12,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states.
[2022-02-09 23:20:12,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 124 states.
[2022-02-09 23:20:12,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states.
[2022-02-09 23:20:12,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states.
[2022-02-09 23:20:12,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states.
[2022-02-09 23:20:12,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 168 states.
[2022-02-09 23:20:12,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states.
[2022-02-09 23:20:12,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 190 states.
[2022-02-09 23:20:12,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states.
[2022-02-09 23:20:12,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 212 states.
[2022-02-09 23:20:12,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states.
[2022-02-09 23:20:12,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 234 states.
[2022-02-09 23:20:12,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states.
[2022-02-09 23:20:12,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 256 states.
[2022-02-09 23:20:12,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states.
[2022-02-09 23:20:12,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 278 states.
[2022-02-09 23:20:12,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states.
[2022-02-09 23:20:12,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 300 states.
[2022-02-09 23:20:12,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states.
[2022-02-09 23:20:12,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 322 states.
[2022-02-09 23:20:12,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states.
[2022-02-09 23:20:12,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 344 states.
[2022-02-09 23:20:12,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 142 states.
[2022-02-09 23:20:12,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-02-09 23:20:59,086 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1828 transitions and produced 1626 states.
[2022-02-09 23:20:59,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states.
[2022-02-09 23:20:59,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states.
[2022-02-09 23:20:59,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states.
[2022-02-09 23:20:59,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states.
[2022-02-09 23:20:59,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states.
[2022-02-09 23:20:59,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states.
[2022-02-09 23:20:59,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states.
[2022-02-09 23:20:59,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states.
[2022-02-09 23:20:59,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 168 states.
[2022-02-09 23:20:59,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states.
[2022-02-09 23:20:59,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 190 states.
[2022-02-09 23:20:59,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states.
[2022-02-09 23:20:59,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 212 states.
[2022-02-09 23:20:59,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states.
[2022-02-09 23:20:59,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 234 states.
[2022-02-09 23:20:59,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states.
[2022-02-09 23:20:59,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 256 states.
[2022-02-09 23:20:59,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states.
[2022-02-09 23:20:59,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 278 states.
[2022-02-09 23:20:59,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states.
[2022-02-09 23:20:59,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 300 states.
[2022-02-09 23:20:59,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states.
[2022-02-09 23:20:59,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 322 states.
[2022-02-09 23:20:59,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states.
[2022-02-09 23:20:59,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 344 states.
[2022-02-09 23:20:59,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 142 states.
[2022-02-09 23:20:59,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 366 states.
[2022-02-09 23:20:59,107 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0
[2022-02-09 23:20:59,289 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26,29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-09 23:20:59,289 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-09 23:20:59,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-09 23:20:59,290 INFO L85 PathProgramCache]: Analyzing trace with hash 1755125479, now seen corresponding path program 28 times
[2022-02-09 23:20:59,290 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-09 23:20:59,290 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1071016641]
[2022-02-09 23:20:59,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-09 23:20:59,290 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-09 23:20:59,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-09 23:21:08,889 INFO L134 CoverageAnalysis]: Checked inductivity of 68252 backedges. 0 proven. 68247 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.
[2022-02-09 23:21:08,890 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-09 23:21:08,890 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1071016641]
[2022-02-09 23:21:08,890 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1071016641] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-09 23:21:08,890 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2034677043]
[2022-02-09 23:21:08,890 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST
[2022-02-09 23:21:08,890 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-09 23:21:08,890 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-09 23:21:08,892 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-02-09 23:21:08,897 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process
[2022-02-09 23:21:09,112 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s)
[2022-02-09 23:21:09,112 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-09 23:21:09,129 INFO L263 TraceCheckSpWp]: Trace formula consists of 1535 conjuncts, 607 conjunts are in the unsatisfiable core
[2022-02-09 23:21:09,135 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-02-09 23:21:12,055 INFO L134 CoverageAnalysis]: Checked inductivity of 68252 backedges. 0 proven. 68247 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.
[2022-02-09 23:21:12,055 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2022-02-09 23:21:14,919 INFO L134 CoverageAnalysis]: Checked inductivity of 68252 backedges. 0 proven. 68247 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.
[2022-02-09 23:21:14,919 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2034677043] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-09 23:21:14,919 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-09 23:21:14,920 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [151, 151, 151] total 151
[2022-02-09 23:21:14,920 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384427136]
[2022-02-09 23:21:14,920 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-09 23:21:14,921 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 153 states
[2022-02-09 23:21:14,921 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-09 23:21:14,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 153 interpolants.
[2022-02-09 23:21:14,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=303, Invalid=22953, Unknown=0, NotChecked=0, Total=23256
[2022-02-09 23:21:14,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-02-09 23:21:14,922 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-09 23:21:14,923 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 153 states, 152 states have (on average 6.006578947368421) internal successors, (913), 152 states have internal predecessors, (913), 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)
[2022-02-09 23:21:14,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states.
[2022-02-09 23:21:14,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states.
[2022-02-09 23:21:14,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states.
[2022-02-09 23:21:14,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states.
[2022-02-09 23:21:14,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 124 states.
[2022-02-09 23:21:14,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states.
[2022-02-09 23:21:14,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states.
[2022-02-09 23:21:14,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states.
[2022-02-09 23:21:14,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 168 states.
[2022-02-09 23:21:14,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states.
[2022-02-09 23:21:14,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 190 states.
[2022-02-09 23:21:14,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states.
[2022-02-09 23:21:14,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 212 states.
[2022-02-09 23:21:14,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states.
[2022-02-09 23:21:14,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 234 states.
[2022-02-09 23:21:14,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states.
[2022-02-09 23:21:14,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 256 states.
[2022-02-09 23:21:14,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states.
[2022-02-09 23:21:14,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 278 states.
[2022-02-09 23:21:14,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states.
[2022-02-09 23:21:14,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 300 states.
[2022-02-09 23:21:14,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states.
[2022-02-09 23:21:14,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 322 states.
[2022-02-09 23:21:14,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states.
[2022-02-09 23:21:14,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 344 states.
[2022-02-09 23:21:14,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 142 states.
[2022-02-09 23:21:14,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 366 states.
[2022-02-09 23:21:14,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-02-09 23:21:22,134 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1759 transitions and produced 1630 states.
[2022-02-09 23:21:22,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states.
[2022-02-09 23:21:22,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states.
[2022-02-09 23:21:22,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states.
[2022-02-09 23:21:22,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states.
[2022-02-09 23:21:22,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states.
[2022-02-09 23:21:22,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states.
[2022-02-09 23:21:22,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states.
[2022-02-09 23:21:22,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states.
[2022-02-09 23:21:22,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 168 states.
[2022-02-09 23:21:22,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states.
[2022-02-09 23:21:22,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 190 states.
[2022-02-09 23:21:22,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states.
[2022-02-09 23:21:22,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 212 states.
[2022-02-09 23:21:22,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states.
[2022-02-09 23:21:22,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 234 states.
[2022-02-09 23:21:22,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states.
[2022-02-09 23:21:22,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 256 states.
[2022-02-09 23:21:22,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states.
[2022-02-09 23:21:22,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 278 states.
[2022-02-09 23:21:22,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states.
[2022-02-09 23:21:22,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 300 states.
[2022-02-09 23:21:22,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states.
[2022-02-09 23:21:22,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 322 states.
[2022-02-09 23:21:22,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states.
[2022-02-09 23:21:22,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 344 states.
[2022-02-09 23:21:22,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 142 states.
[2022-02-09 23:21:22,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 366 states.
[2022-02-09 23:21:22,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 153 states.
[2022-02-09 23:21:22,154 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0
[2022-02-09 23:21:22,336 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27
[2022-02-09 23:21:22,336 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-09 23:21:22,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-09 23:21:22,337 INFO L85 PathProgramCache]: Analyzing trace with hash 1963489270, now seen corresponding path program 29 times
[2022-02-09 23:21:22,337 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-09 23:21:22,337 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [272149349]
[2022-02-09 23:21:22,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-09 23:21:22,337 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-09 23:21:22,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-09 23:21:45,893 INFO L134 CoverageAnalysis]: Checked inductivity of 73411 backedges. 34261 proven. 39150 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-09 23:21:45,893 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-09 23:21:45,893 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [272149349]
[2022-02-09 23:21:45,893 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [272149349] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-09 23:21:45,894 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [738572834]
[2022-02-09 23:21:45,894 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1
[2022-02-09 23:21:45,894 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-09 23:21:45,894 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-09 23:21:45,899 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-02-09 23:21:45,899 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process
[2022-02-09 23:21:46,327 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 163 check-sat command(s)
[2022-02-09 23:21:46,328 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-09 23:21:46,368 INFO L263 TraceCheckSpWp]: Trace formula consists of 1590 conjuncts, 316 conjunts are in the unsatisfiable core
[2022-02-09 23:21:46,375 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-02-09 23:22:06,458 INFO L134 CoverageAnalysis]: Checked inductivity of 73411 backedges. 38801 proven. 34610 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-09 23:22:06,458 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2022-02-09 23:22:11,281 INFO L134 CoverageAnalysis]: Checked inductivity of 73411 backedges. 34261 proven. 39150 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-09 23:22:11,281 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [738572834] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-09 23:22:11,281 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-09 23:22:11,281 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [317, 317, 317] total 510
[2022-02-09 23:22:11,281 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279805632]
[2022-02-09 23:22:11,281 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-09 23:22:11,283 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 510 states
[2022-02-09 23:22:11,283 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-09 23:22:11,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 510 interpolants.
[2022-02-09 23:22:11,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53946, Invalid=205644, Unknown=0, NotChecked=0, Total=259590
[2022-02-09 23:22:11,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-02-09 23:22:11,298 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-09 23:22:11,299 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 510 states, 510 states have (on average 3.0176470588235293) internal successors, (1539), 510 states have internal predecessors, (1539), 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)
[2022-02-09 23:22:11,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states.
[2022-02-09 23:22:11,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states.
[2022-02-09 23:22:11,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states.
[2022-02-09 23:22:11,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states.
[2022-02-09 23:22:11,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 124 states.
[2022-02-09 23:22:11,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states.
[2022-02-09 23:22:11,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states.
[2022-02-09 23:22:11,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states.
[2022-02-09 23:22:11,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 168 states.
[2022-02-09 23:22:11,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states.
[2022-02-09 23:22:11,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 190 states.
[2022-02-09 23:22:11,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states.
[2022-02-09 23:22:11,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 212 states.
[2022-02-09 23:22:11,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states.
[2022-02-09 23:22:11,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 234 states.
[2022-02-09 23:22:11,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states.
[2022-02-09 23:22:11,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 256 states.
[2022-02-09 23:22:11,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states.
[2022-02-09 23:22:11,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 278 states.
[2022-02-09 23:22:11,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states.
[2022-02-09 23:22:11,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 300 states.
[2022-02-09 23:22:11,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states.
[2022-02-09 23:22:11,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 322 states.
[2022-02-09 23:22:11,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states.
[2022-02-09 23:22:11,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 344 states.
[2022-02-09 23:22:11,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 142 states.
[2022-02-09 23:22:11,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 366 states.
[2022-02-09 23:22:11,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 153 states.
[2022-02-09 23:22:11,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-02-09 23:22:58,942 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1949 transitions and produced 1737 states.
[2022-02-09 23:22:58,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states.
[2022-02-09 23:22:58,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states.
[2022-02-09 23:22:58,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states.
[2022-02-09 23:22:58,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states.
[2022-02-09 23:22:58,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states.
[2022-02-09 23:22:58,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states.
[2022-02-09 23:22:58,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states.
[2022-02-09 23:22:58,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states.
[2022-02-09 23:22:58,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 168 states.
[2022-02-09 23:22:58,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states.
[2022-02-09 23:22:58,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 190 states.
[2022-02-09 23:22:58,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states.
[2022-02-09 23:22:58,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 212 states.
[2022-02-09 23:22:58,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states.
[2022-02-09 23:22:58,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 234 states.
[2022-02-09 23:22:58,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states.
[2022-02-09 23:22:58,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 256 states.
[2022-02-09 23:22:58,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states.
[2022-02-09 23:22:58,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 278 states.
[2022-02-09 23:22:58,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states.
[2022-02-09 23:22:58,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 300 states.
[2022-02-09 23:22:58,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states.
[2022-02-09 23:22:58,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 322 states.
[2022-02-09 23:22:58,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states.
[2022-02-09 23:22:58,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 344 states.
[2022-02-09 23:22:58,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 142 states.
[2022-02-09 23:22:58,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 366 states.
[2022-02-09 23:22:58,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 153 states.
[2022-02-09 23:22:58,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 388 states.
[2022-02-09 23:22:58,964 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0
[2022-02-09 23:22:59,144 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28
[2022-02-09 23:22:59,144 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2022-02-09 23:22:59,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-09 23:22:59,145 INFO L85 PathProgramCache]: Analyzing trace with hash 773092123, now seen corresponding path program 30 times
[2022-02-09 23:22:59,145 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-09 23:22:59,145 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189825808]
[2022-02-09 23:22:59,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-09 23:22:59,145 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-09 23:22:59,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-09 23:23:09,959 INFO L134 CoverageAnalysis]: Checked inductivity of 78570 backedges. 0 proven. 78565 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.
[2022-02-09 23:23:09,959 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-09 23:23:09,959 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [189825808]
[2022-02-09 23:23:09,959 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [189825808] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-09 23:23:09,959 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1147223173]
[2022-02-09 23:23:09,959 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE
[2022-02-09 23:23:09,959 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-09 23:23:09,960 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-09 23:23:09,961 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-02-09 23:23:09,962 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process
[2022-02-09 23:23:10,413 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 163 check-sat command(s)
[2022-02-09 23:23:10,414 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-09 23:23:10,434 INFO L263 TraceCheckSpWp]: Trace formula consists of 1645 conjuncts, 651 conjunts are in the unsatisfiable core
[2022-02-09 23:23:10,440 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-02-09 23:23:13,527 INFO L134 CoverageAnalysis]: Checked inductivity of 78570 backedges. 0 proven. 78565 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.
[2022-02-09 23:23:13,528 INFO L328 TraceCheckSpWp]: Computing backward predicates...
Received shutdown request...
[2022-02-09 23:23:13,997 WARN L244 SmtUtils]: Removed 2 from assertion stack
[2022-02-09 23:23:14,000 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (2 of 3 remaining)
[2022-02-09 23:23:14,018 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Forceful destruction successful, exit code 0
[2022-02-09 23:23:14,039 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Timeout while monitored process is still running, waiting 1000 ms for graceful end
[2022-02-09 23:23:14,039 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end
[2022-02-09 23:23:14,039 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end
[2022-02-09 23:23:14,200 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,32 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-09 23:23:14,200 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 985 with TraceHistMax 162,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 0ms..
[2022-02-09 23:23:14,202 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 3 remaining)
[2022-02-09 23:23:14,202 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (0 of 3 remaining)
[2022-02-09 23:23:14,207 INFO L732 BasicCegarLoop]: Path program histogram: [30]
[2022-02-09 23:23:14,208 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2022-02-09 23:23:14,208 INFO L180 ceAbstractionStarter]: Computing trace abstraction results
[2022-02-09 23:23:14,210 INFO L202 PluginConnector]: Adding new model concurrent_increment.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.02 11:23:14 BasicIcfg
[2022-02-09 23:23:14,210 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2022-02-09 23:23:14,211 INFO L158 Benchmark]: Toolchain (without parser) took 694960.39ms. Allocated memory was 179.3MB in the beginning and 1.9GB in the end (delta: 1.7GB). Free memory was 138.7MB in the beginning and 653.1MB in the end (delta: -514.3MB). Peak memory consumption was 1.2GB. Max. memory is 8.0GB.
[2022-02-09 23:23:14,211 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.13ms. Allocated memory is still 179.3MB. Free memory is still 139.7MB. There was no memory consumed. Max. memory is 8.0GB.
[2022-02-09 23:23:14,211 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.46ms. Allocated memory is still 179.3MB. Free memory was 138.6MB in the beginning and 137.1MB in the end (delta: 1.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB.
[2022-02-09 23:23:14,211 INFO L158 Benchmark]: Boogie Preprocessor took 13.16ms. Allocated memory is still 179.3MB. Free memory was 137.1MB in the beginning and 136.2MB in the end (delta: 903.6kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB.
[2022-02-09 23:23:14,212 INFO L158 Benchmark]: RCFGBuilder took 208.27ms. Allocated memory is still 179.3MB. Free memory was 136.1MB in the beginning and 127.8MB in the end (delta: 8.2MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB.
[2022-02-09 23:23:14,212 INFO L158 Benchmark]: TraceAbstraction took 694706.55ms. Allocated memory was 179.3MB in the beginning and 1.9GB in the end (delta: 1.7GB). Free memory was 127.3MB in the beginning and 653.1MB in the end (delta: -525.7MB). Peak memory consumption was 1.2GB. Max. memory is 8.0GB.
[2022-02-09 23:23:14,213 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* Boogie PL CUP Parser took 0.13ms. Allocated memory is still 179.3MB. Free memory is still 139.7MB. There was no memory consumed. Max. memory is 8.0GB.
* Boogie Procedure Inliner took 25.46ms. Allocated memory is still 179.3MB. Free memory was 138.6MB in the beginning and 137.1MB in the end (delta: 1.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB.
* Boogie Preprocessor took 13.16ms. Allocated memory is still 179.3MB. Free memory was 137.1MB in the beginning and 136.2MB in the end (delta: 903.6kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB.
* RCFGBuilder took 208.27ms. Allocated memory is still 179.3MB. Free memory was 136.1MB in the beginning and 127.8MB in the end (delta: 8.2MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB.
* TraceAbstraction took 694706.55ms. Allocated memory was 179.3MB in the beginning and 1.9GB in the end (delta: 1.7GB). Free memory was 127.3MB in the beginning and 653.1MB in the end (delta: -525.7MB). Peak memory consumption was 1.2GB. Max. memory is 8.0GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: Independence relation benchmarks
ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0
- StatisticsResult: ErrorAutomatonStatistics
NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
- TimeoutResultAtElement [Line: 25]: Timeout (TraceAbstraction)
Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 985 with TraceHistMax 162,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 0ms..
- TimeoutResultAtElement [Line: 20]: Timeout (TraceAbstraction)
Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 985 with TraceHistMax 162,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 0ms..
- TimeoutResultAtElement [Line: 20]: Timeout (TraceAbstraction)
Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 985 with TraceHistMax 162,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 0ms..
- StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances
CFG has 5 procedures, 35 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 694.6s, OverallIterations: 30, TraceHistogramMax: 0, PathProgramHistogramMax: 30, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 286.6s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 4558, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.7s SsaConstructionTime, 10.6s SatisfiabilityAnalysisTime, 374.4s InterpolantComputationTime, 28590 NumberOfCodeBlocks, 28590 NumberOfCodeBlocksAsserted, 1285 NumberOfCheckSat, 42798 ConstructedInterpolants, 0 QuantifiedInterpolants, 321134 SizeOfPredicates, 64 NumberOfNonLiveVariables, 23970 ConjunctsInSsa, 6942 ConjunctsInUnsatCore, 87 InterpolantComputations, 0 PerfectInterpolantSequences, 562305/2202684 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate could not prove your program: Timeout
Completed graceful shutdown