/usr/bin/java -Xmx16000000000 -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-Sleep-NoLbe-Delay.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-proofs/queue-add-2-yrY.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a865e3bea3ade1065a4c95009cfa501fe03c5538-a865e3b [2021-02-19 23:15:29,749 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-19 23:15:29,752 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-19 23:15:29,793 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-02-19 23:15:29,820 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-19 23:15:29,822 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-19 23:15:29,824 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-19 23:15:29,825 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-19 23:15:29,830 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-19 23:15:29,832 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-19 23:15:29,835 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-19 23:15:29,844 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-19 23:15:29,846 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-19 23:15:29,847 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-19 23:15:29,849 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-19 23:15:29,851 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-19 23:15:29,858 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-02-19 23:15:29,868 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-19 23:15:29,869 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-19 23:15:29,869 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-19 23:15:29,874 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-Sleep-NoLbe-Delay.epf [2021-02-19 23:15:29,900 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-19 23:15:29,901 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-19 23:15:29,901 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-02-19 23:15:29,902 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-02-19 23:15:29,905 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-02-19 23:15:29,905 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-02-19 23:15:29,906 INFO L138 SettingsManager]: * Use SBE=true [2021-02-19 23:15:29,906 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-19 23:15:29,906 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-19 23:15:29,906 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-19 23:15:29,907 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-19 23:15:29,907 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-19 23:15:29,908 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-19 23:15:29,908 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-19 23:15:29,908 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-19 23:15:29,908 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-19 23:15:29,908 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-19 23:15:29,908 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-19 23:15:29,908 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-19 23:15:29,909 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-19 23:15:29,909 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-02-19 23:15:29,909 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-19 23:15:29,909 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-19 23:15:29,909 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-19 23:15:29,909 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-19 23:15:29,909 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-02-19 23:15:29,909 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-02-19 23:15:29,910 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-02-19 23:15:29,910 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-02-19 23:15:29,910 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-02-19 23:15:29,910 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-02-19 23:15:29,910 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-19 23:15:29,910 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-02-19 23:15:29,911 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-19 23:15:30,289 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-19 23:15:30,310 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-19 23:15:30,312 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-19 23:15:30,314 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-02-19 23:15:30,315 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-02-19 23:15:30,316 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-proofs/queue-add-2-yrY.wvr.bpl [2021-02-19 23:15:30,316 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-proofs/queue-add-2-yrY.wvr.bpl' [2021-02-19 23:15:30,340 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-19 23:15:30,345 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-19 23:15:30,347 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-02-19 23:15:30,347 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-02-19 23:15:30,347 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-02-19 23:15:30,360 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "queue-add-2-yrY.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 11:15:30" (1/1) ... [2021-02-19 23:15:30,373 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "queue-add-2-yrY.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 11:15:30" (1/1) ... [2021-02-19 23:15:30,380 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-02-19 23:15:30,384 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-19 23:15:30,384 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-19 23:15:30,384 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-19 23:15:30,391 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "queue-add-2-yrY.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 11:15:30" (1/1) ... [2021-02-19 23:15:30,391 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "queue-add-2-yrY.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 11:15:30" (1/1) ... [2021-02-19 23:15:30,393 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "queue-add-2-yrY.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 11:15:30" (1/1) ... [2021-02-19 23:15:30,393 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "queue-add-2-yrY.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 11:15:30" (1/1) ... [2021-02-19 23:15:30,397 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "queue-add-2-yrY.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 11:15:30" (1/1) ... [2021-02-19 23:15:30,401 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "queue-add-2-yrY.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 11:15:30" (1/1) ... [2021-02-19 23:15:30,402 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "queue-add-2-yrY.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 11:15:30" (1/1) ... [2021-02-19 23:15:30,403 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-19 23:15:30,406 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-19 23:15:30,406 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-19 23:15:30,406 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-19 23:15:30,408 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "queue-add-2-yrY.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 11:15:30" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-19 23:15:30,485 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-02-19 23:15:30,485 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-02-19 23:15:30,485 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-02-19 23:15:30,485 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-02-19 23:15:30,485 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-02-19 23:15:30,485 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-02-19 23:15:30,486 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-02-19 23:15:30,486 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-19 23:15:30,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-19 23:15:30,488 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-02-19 23:15:30,767 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-19 23:15:30,767 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-02-19 23:15:30,769 INFO L202 PluginConnector]: Adding new model queue-add-2-yrY.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 11:15:30 BoogieIcfgContainer [2021-02-19 23:15:30,769 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-19 23:15:30,771 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-19 23:15:30,771 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-19 23:15:30,774 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-19 23:15:30,774 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "queue-add-2-yrY.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 11:15:30" (1/2) ... [2021-02-19 23:15:30,775 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7199137e and model type queue-add-2-yrY.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 11:15:30, skipping insertion in model container [2021-02-19 23:15:30,775 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "queue-add-2-yrY.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 11:15:30" (2/2) ... [2021-02-19 23:15:30,777 INFO L111 eAbstractionObserver]: Analyzing ICFG queue-add-2-yrY.wvr.bpl [2021-02-19 23:15:30,805 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-02-19 23:15:30,805 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-02-19 23:15:30,809 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-19 23:15:30,810 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-02-19 23:15:30,845 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-02-19 23:15:30,860 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-02-19 23:15:30,887 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-19 23:15:30,887 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-19 23:15:30,887 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-02-19 23:15:30,887 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-19 23:15:30,888 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-19 23:15:30,888 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-19 23:15:30,888 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-19 23:15:30,888 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-19 23:15:30,986 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 23:15:30,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 23:15:30,993 INFO L82 PathProgramCache]: Analyzing trace with hash -762230351, now seen corresponding path program 1 times [2021-02-19 23:15:31,000 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 23:15:31,001 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [712598100] [2021-02-19 23:15:31,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 23:15:31,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:15:31,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 23:15:31,121 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [712598100] [2021-02-19 23:15:31,121 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 23:15:31,122 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-02-19 23:15:31,122 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678326531] [2021-02-19 23:15:31,126 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-02-19 23:15:31,127 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 23:15:31,136 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-02-19 23:15:31,137 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-02-19 23:15:31,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 23:15:31,139 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 23:15:31,141 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-02-19 23:15:31,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 23:15:31,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-19 23:15:31,184 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-19 23:15:31,184 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 23:15:31,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 23:15:31,185 INFO L82 PathProgramCache]: Analyzing trace with hash 260520244, now seen corresponding path program 1 times [2021-02-19 23:15:31,185 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 23:15:31,185 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1298692723] [2021-02-19 23:15:31,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 23:15:31,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:15:31,320 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 23:15:31,321 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1298692723] [2021-02-19 23:15:31,321 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [416242559] [2021-02-19 23:15:31,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 23:15:31,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:15:31,375 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 10 conjunts are in the unsatisfiable core [2021-02-19 23:15:31,382 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 23:15:31,588 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 23:15:31,588 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 23:15:31,588 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 10 [2021-02-19 23:15:31,589 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583962742] [2021-02-19 23:15:31,590 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-02-19 23:15:31,590 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 23:15:31,591 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-02-19 23:15:31,591 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2021-02-19 23:15:31,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 23:15:31,591 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 23:15:31,592 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 2.3636363636363638) internal successors, (26), 10 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-02-19 23:15:31,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-19 23:15:31,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 23:15:31,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-19 23:15:31,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:15:31,918 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 23:15:31,918 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 23:15:31,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 23:15:31,919 INFO L82 PathProgramCache]: Analyzing trace with hash -1257081917, now seen corresponding path program 1 times [2021-02-19 23:15:31,919 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 23:15:31,920 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1154875736] [2021-02-19 23:15:31,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 23:15:31,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:15:31,971 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 23:15:31,971 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1154875736] [2021-02-19 23:15:31,972 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [854543563] [2021-02-19 23:15:31,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 23:15:31,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:15:31,998 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 6 conjunts are in the unsatisfiable core [2021-02-19 23:15:31,999 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 23:15:32,084 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-02-19 23:15:32,087 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-19 23:15:32,089 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:15:32,090 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-02-19 23:15:32,090 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:11, output treesize:3 [2021-02-19 23:15:32,123 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 23:15:32,124 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 23:15:32,124 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-02-19 23:15:32,124 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1987965695] [2021-02-19 23:15:32,126 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-19 23:15:32,126 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 23:15:32,129 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-19 23:15:32,129 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-02-19 23:15:32,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 23:15:32,130 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 23:15:32,130 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 4.25) internal successors, (34), 7 states have internal predecessors, (34), 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) [2021-02-19 23:15:32,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-19 23:15:32,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:15:32,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 23:15:32,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-19 23:15:32,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:15:32,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:15:32,470 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 23:15:32,470 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 23:15:32,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 23:15:32,471 INFO L82 PathProgramCache]: Analyzing trace with hash 442567238, now seen corresponding path program 2 times [2021-02-19 23:15:32,471 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 23:15:32,471 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1991155801] [2021-02-19 23:15:32,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 23:15:32,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:15:32,700 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 23:15:32,701 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1991155801] [2021-02-19 23:15:32,701 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [323348201] [2021-02-19 23:15:32,701 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 23:15:32,736 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-02-19 23:15:32,737 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-19 23:15:32,738 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 22 conjunts are in the unsatisfiable core [2021-02-19 23:15:32,741 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 23:15:32,869 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-02-19 23:15:32,873 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-19 23:15:32,879 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:15:32,885 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-02-19 23:15:32,886 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:20, output treesize:13 [2021-02-19 23:15:33,006 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 23:15:33,007 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 23:15:33,007 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12] total 18 [2021-02-19 23:15:33,007 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42866218] [2021-02-19 23:15:33,010 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-02-19 23:15:33,010 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 23:15:33,010 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-02-19 23:15:33,016 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2021-02-19 23:15:33,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 23:15:33,017 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 23:15:33,017 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 2.1052631578947367) internal successors, (40), 18 states have internal predecessors, (40), 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) [2021-02-19 23:15:33,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-19 23:15:33,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:15:33,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:15:33,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 23:15:33,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-19 23:15:33,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:15:33,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:15:33,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-19 23:15:33,339 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 23:15:33,339 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 23:15:33,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 23:15:33,340 INFO L82 PathProgramCache]: Analyzing trace with hash 1030267095, now seen corresponding path program 3 times [2021-02-19 23:15:33,340 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 23:15:33,340 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [355447642] [2021-02-19 23:15:33,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 23:15:33,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:15:33,436 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 23:15:33,436 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [355447642] [2021-02-19 23:15:33,436 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1706996786] [2021-02-19 23:15:33,436 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 23:15:33,460 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-02-19 23:15:33,461 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-19 23:15:33,461 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 12 conjunts are in the unsatisfiable core [2021-02-19 23:15:33,462 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 23:15:33,695 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 23:15:33,696 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2021-02-19 23:15:33,699 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-19 23:15:33,704 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:15:33,706 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-02-19 23:15:33,706 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:23, output treesize:3 [2021-02-19 23:15:33,726 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 23:15:33,726 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 23:15:33,726 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2021-02-19 23:15:33,727 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362170738] [2021-02-19 23:15:33,727 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-02-19 23:15:33,727 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 23:15:33,728 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-02-19 23:15:33,728 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-02-19 23:15:33,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 23:15:33,728 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 23:15:33,728 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 4.090909090909091) internal successors, (45), 10 states have internal predecessors, (45), 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) [2021-02-19 23:15:33,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-19 23:15:33,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:15:33,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:15:33,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-19 23:15:33,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 23:15:33,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-19 23:15:33,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:15:33,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:15:33,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-19 23:15:33,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-19 23:15:34,050 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 23:15:34,050 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 23:15:34,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 23:15:34,051 INFO L82 PathProgramCache]: Analyzing trace with hash 49450330, now seen corresponding path program 4 times [2021-02-19 23:15:34,051 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 23:15:34,051 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1651328909] [2021-02-19 23:15:34,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 23:15:34,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:15:34,369 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 23:15:34,369 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1651328909] [2021-02-19 23:15:34,369 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1253848965] [2021-02-19 23:15:34,369 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 23:15:34,394 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-02-19 23:15:34,394 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-19 23:15:34,395 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 34 conjunts are in the unsatisfiable core [2021-02-19 23:15:34,396 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 23:15:34,617 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-02-19 23:15:34,617 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 13 [2021-02-19 23:15:34,620 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-19 23:15:34,624 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:15:34,625 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-02-19 23:15:34,626 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:35, output treesize:13 [2021-02-19 23:15:34,740 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 23:15:34,740 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 23:15:34,741 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 16] total 26 [2021-02-19 23:15:34,741 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [97645705] [2021-02-19 23:15:34,742 INFO L460 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-02-19 23:15:34,742 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 23:15:34,743 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-02-19 23:15:34,743 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=629, Unknown=0, NotChecked=0, Total=702 [2021-02-19 23:15:34,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 23:15:34,743 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 23:15:34,744 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 27 states, 27 states have (on average 1.9259259259259258) internal successors, (52), 26 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-02-19 23:15:34,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-19 23:15:34,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:15:34,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:15:34,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-19 23:15:34,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-02-19 23:15:34,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 23:15:34,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-19 23:15:34,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:15:34,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:15:34,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-19 23:15:34,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-19 23:15:34,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-19 23:15:35,162 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 23:15:35,162 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 23:15:35,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 23:15:35,162 INFO L82 PathProgramCache]: Analyzing trace with hash -2132762199, now seen corresponding path program 5 times [2021-02-19 23:15:35,163 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 23:15:35,163 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [491544402] [2021-02-19 23:15:35,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 23:15:35,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:15:35,236 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 23:15:35,237 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [491544402] [2021-02-19 23:15:35,237 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [68078759] [2021-02-19 23:15:35,237 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-02-19 23:15:35,265 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-02-19 23:15:35,265 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-19 23:15:35,266 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 14 conjunts are in the unsatisfiable core [2021-02-19 23:15:35,267 INFO L286 TraceCheckSpWp]: Computing forward predicates... Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 23:15:35,484 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 23:15:35,485 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-02-19 23:15:35,487 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-19 23:15:35,491 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:15:35,493 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-02-19 23:15:35,494 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:17, output treesize:3 [2021-02-19 23:15:35,518 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 23:15:35,518 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 23:15:35,518 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 13 [2021-02-19 23:15:35,518 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088505354] [2021-02-19 23:15:35,519 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-02-19 23:15:35,520 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 23:15:35,520 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-02-19 23:15:35,521 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2021-02-19 23:15:35,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 23:15:35,521 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 23:15:35,521 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 4.0) internal successors, (56), 13 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-02-19 23:15:35,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-19 23:15:35,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:15:35,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:15:35,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-19 23:15:35,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-02-19 23:15:35,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-02-19 23:15:35,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 23:15:35,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-19 23:15:35,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:15:35,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:15:35,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-19 23:15:35,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-19 23:15:35,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-19 23:15:35,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-19 23:15:35,930 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 23:15:35,930 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 23:15:35,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 23:15:35,931 INFO L82 PathProgramCache]: Analyzing trace with hash -705047252, now seen corresponding path program 6 times [2021-02-19 23:15:35,931 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 23:15:35,931 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1266001092] [2021-02-19 23:15:35,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 23:15:35,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:15:36,392 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 23:15:36,392 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1266001092] [2021-02-19 23:15:36,392 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2081954960] [2021-02-19 23:15:36,392 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 23:15:36,421 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-02-19 23:15:36,421 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-19 23:15:36,422 WARN L261 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 50 conjunts are in the unsatisfiable core [2021-02-19 23:15:36,423 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 23:15:37,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 23:15:37,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 23:15:37,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 23:15:37,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 23:15:37,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 23:15:37,013 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:15:37,014 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 30 [2021-02-19 23:15:37,017 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-19 23:15:37,030 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:15:37,032 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-02-19 23:15:37,033 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:59, output treesize:25 [2021-02-19 23:15:37,260 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 23:15:37,261 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 23:15:37,261 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 22] total 38 [2021-02-19 23:15:37,261 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081740121] [2021-02-19 23:15:37,261 INFO L460 AbstractCegarLoop]: Interpolant automaton has 39 states [2021-02-19 23:15:37,261 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 23:15:37,262 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2021-02-19 23:15:37,262 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=1377, Unknown=0, NotChecked=0, Total=1482 [2021-02-19 23:15:37,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 23:15:37,262 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 23:15:37,263 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 39 states, 39 states have (on average 1.794871794871795) internal successors, (70), 38 states have internal predecessors, (70), 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) [2021-02-19 23:15:37,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-19 23:15:37,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:15:37,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:15:37,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-19 23:15:37,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-02-19 23:15:37,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-02-19 23:15:37,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-02-19 23:15:37,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 23:15:37,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-19 23:15:37,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:15:37,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:15:37,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-19 23:15:37,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-19 23:15:37,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-19 23:15:37,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-19 23:15:37,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-02-19 23:15:37,910 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2021-02-19 23:15:37,910 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 23:15:37,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 23:15:37,911 INFO L82 PathProgramCache]: Analyzing trace with hash 373955069, now seen corresponding path program 7 times [2021-02-19 23:15:37,911 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 23:15:37,911 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [676513576] [2021-02-19 23:15:37,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 23:15:37,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:15:38,065 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 23:15:38,065 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [676513576] [2021-02-19 23:15:38,065 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [725331304] [2021-02-19 23:15:38,065 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 23:15:38,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:15:38,105 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 18 conjunts are in the unsatisfiable core [2021-02-19 23:15:38,109 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 23:15:38,372 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 23:15:38,373 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-02-19 23:15:38,375 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-19 23:15:38,379 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:15:38,381 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-02-19 23:15:38,381 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:17, output treesize:3 [2021-02-19 23:15:38,408 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 23:15:38,408 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 23:15:38,408 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 16 [2021-02-19 23:15:38,408 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141583674] [2021-02-19 23:15:38,409 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-02-19 23:15:38,409 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 23:15:38,409 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-02-19 23:15:38,409 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=236, Unknown=0, NotChecked=0, Total=272 [2021-02-19 23:15:38,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 23:15:38,409 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 23:15:38,410 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 3.9411764705882355) internal successors, (67), 16 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-02-19 23:15:38,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-19 23:15:38,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:15:38,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:15:38,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-19 23:15:38,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-02-19 23:15:38,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-02-19 23:15:38,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-02-19 23:15:38,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-02-19 23:15:38,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 23:15:38,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-19 23:15:38,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:15:38,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:15:38,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-19 23:15:38,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-19 23:15:38,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-19 23:15:38,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-19 23:15:38,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-02-19 23:15:38,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 23:15:38,855 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 23:15:38,856 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 23:15:38,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 23:15:38,856 INFO L82 PathProgramCache]: Analyzing trace with hash 780600192, now seen corresponding path program 8 times [2021-02-19 23:15:38,856 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 23:15:38,856 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1962713819] [2021-02-19 23:15:38,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 23:15:38,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:15:39,513 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 0 proven. 67 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 23:15:39,514 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1962713819] [2021-02-19 23:15:39,514 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2046408577] [2021-02-19 23:15:39,514 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 23:15:39,551 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-02-19 23:15:39,552 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-19 23:15:39,553 WARN L261 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 58 conjunts are in the unsatisfiable core [2021-02-19 23:15:39,555 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 23:15:40,057 INFO L354 Elim1Store]: treesize reduction 72, result has 1.4 percent of original size [2021-02-19 23:15:40,057 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 22 [2021-02-19 23:15:40,064 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-19 23:15:40,070 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:15:40,071 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-02-19 23:15:40,071 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:60, output treesize:13 [2021-02-19 23:15:40,228 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 0 proven. 67 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 23:15:40,229 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 23:15:40,229 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 24] total 40 [2021-02-19 23:15:40,229 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548907543] [2021-02-19 23:15:40,229 INFO L460 AbstractCegarLoop]: Interpolant automaton has 41 states [2021-02-19 23:15:40,229 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 23:15:40,230 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2021-02-19 23:15:40,231 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=1531, Unknown=0, NotChecked=0, Total=1640 [2021-02-19 23:15:40,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 23:15:40,231 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 23:15:40,231 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 41 states, 41 states have (on average 1.8048780487804879) internal successors, (74), 40 states have internal predecessors, (74), 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) [2021-02-19 23:15:40,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-19 23:15:40,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:15:40,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:15:40,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-19 23:15:40,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-02-19 23:15:40,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-02-19 23:15:40,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-02-19 23:15:40,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-02-19 23:15:40,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 23:15:40,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 23:15:40,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-19 23:15:40,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:15:40,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:15:40,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-19 23:15:40,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-19 23:15:40,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-19 23:15:40,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-19 23:15:40,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-02-19 23:15:40,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 23:15:40,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-19 23:15:40,884 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 23:15:40,885 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 23:15:40,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 23:15:40,885 INFO L82 PathProgramCache]: Analyzing trace with hash -1829248625, now seen corresponding path program 9 times [2021-02-19 23:15:40,885 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 23:15:40,885 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [74082585] [2021-02-19 23:15:40,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 23:15:40,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:15:41,020 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 80 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 23:15:41,021 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [74082585] [2021-02-19 23:15:41,021 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [225099144] [2021-02-19 23:15:41,021 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 23:15:41,050 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2021-02-19 23:15:41,050 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-19 23:15:41,051 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 26 conjunts are in the unsatisfiable core [2021-02-19 23:15:41,052 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 23:15:41,372 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 23:15:41,373 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2021-02-19 23:15:41,375 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-19 23:15:41,379 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:15:41,383 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-02-19 23:15:41,383 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:23, output treesize:3 [2021-02-19 23:15:41,413 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 80 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 23:15:41,414 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 23:15:41,414 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 14] total 20 [2021-02-19 23:15:41,414 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584711264] [2021-02-19 23:15:41,414 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-02-19 23:15:41,414 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 23:15:41,414 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-02-19 23:15:41,415 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=374, Unknown=0, NotChecked=0, Total=420 [2021-02-19 23:15:41,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 23:15:41,415 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 23:15:41,415 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 3.7142857142857144) internal successors, (78), 20 states have internal predecessors, (78), 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) [2021-02-19 23:15:41,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-19 23:15:41,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:15:41,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:15:41,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-19 23:15:41,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-02-19 23:15:41,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-02-19 23:15:41,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-02-19 23:15:41,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-02-19 23:15:41,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 23:15:41,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-02-19 23:15:41,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 23:15:41,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-19 23:15:41,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:15:41,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:15:41,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-19 23:15:41,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-19 23:15:41,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-19 23:15:41,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-19 23:15:41,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-02-19 23:15:41,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 23:15:41,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-19 23:15:41,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-19 23:15:41,978 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-02-19 23:15:41,979 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 23:15:41,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 23:15:41,980 INFO L82 PathProgramCache]: Analyzing trace with hash -1582451421, now seen corresponding path program 10 times [2021-02-19 23:15:41,980 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 23:15:41,980 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [633080051] [2021-02-19 23:15:41,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 23:15:41,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:15:42,145 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 23:15:42,146 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [633080051] [2021-02-19 23:15:42,146 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [977339599] [2021-02-19 23:15:42,146 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 23:15:42,182 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-02-19 23:15:42,182 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-19 23:15:42,183 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 26 conjunts are in the unsatisfiable core [2021-02-19 23:15:42,188 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 23:15:42,533 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 23:15:42,533 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-02-19 23:15:42,536 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-19 23:15:42,541 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:15:42,542 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-02-19 23:15:42,543 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:17, output treesize:3 [2021-02-19 23:15:42,574 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 23:15:42,575 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 23:15:42,575 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 22 [2021-02-19 23:15:42,575 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786473835] [2021-02-19 23:15:42,576 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-02-19 23:15:42,576 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 23:15:42,576 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-02-19 23:15:42,576 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=456, Unknown=0, NotChecked=0, Total=506 [2021-02-19 23:15:42,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 23:15:42,576 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 23:15:42,577 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 3.869565217391304) internal successors, (89), 22 states have internal predecessors, (89), 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) [2021-02-19 23:15:42,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-19 23:15:42,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:15:42,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:15:42,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-19 23:15:42,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-02-19 23:15:42,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-02-19 23:15:42,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-02-19 23:15:42,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-02-19 23:15:42,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 23:15:42,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-02-19 23:15:42,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-02-19 23:15:42,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 23:15:42,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-19 23:15:42,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:15:42,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:15:42,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-19 23:15:42,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-19 23:15:42,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-19 23:15:42,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-19 23:15:42,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-02-19 23:15:42,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 23:15:42,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-19 23:15:42,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-19 23:15:42,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-19 23:15:43,195 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-02-19 23:15:43,195 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 23:15:43,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 23:15:43,196 INFO L82 PathProgramCache]: Analyzing trace with hash -625173594, now seen corresponding path program 11 times [2021-02-19 23:15:43,196 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 23:15:43,196 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [182256035] [2021-02-19 23:15:43,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 23:15:43,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:15:44,394 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 0 proven. 142 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 23:15:44,395 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [182256035] [2021-02-19 23:15:44,395 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1615234430] [2021-02-19 23:15:44,395 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 23:15:44,432 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2021-02-19 23:15:44,432 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-19 23:15:44,433 WARN L261 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 82 conjunts are in the unsatisfiable core [2021-02-19 23:15:44,435 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 23:15:45,409 INFO L354 Elim1Store]: treesize reduction 170, result has 0.6 percent of original size [2021-02-19 23:15:45,410 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 74 treesize of output 30 [2021-02-19 23:15:45,413 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-19 23:15:45,418 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:15:45,418 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-02-19 23:15:45,419 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:80, output treesize:13 [2021-02-19 23:15:45,722 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 0 proven. 142 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 23:15:45,722 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 23:15:45,723 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38, 34] total 56 [2021-02-19 23:15:45,723 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079622339] [2021-02-19 23:15:45,723 INFO L460 AbstractCegarLoop]: Interpolant automaton has 57 states [2021-02-19 23:15:45,723 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 23:15:45,723 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2021-02-19 23:15:45,724 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=158, Invalid=3034, Unknown=0, NotChecked=0, Total=3192 [2021-02-19 23:15:45,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 23:15:45,724 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 23:15:45,725 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 57 states, 57 states have (on average 1.6842105263157894) internal successors, (96), 56 states have internal predecessors, (96), 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) [2021-02-19 23:15:45,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-19 23:15:45,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:15:45,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:15:45,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-19 23:15:45,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-02-19 23:15:45,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-02-19 23:15:45,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-02-19 23:15:45,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-02-19 23:15:45,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 23:15:45,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-02-19 23:15:45,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-02-19 23:15:45,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-19 23:15:45,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 23:15:46,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-19 23:15:46,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:15:46,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:15:46,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-19 23:15:46,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-19 23:15:46,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-19 23:15:46,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-19 23:15:46,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-02-19 23:15:46,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 23:15:46,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-19 23:15:46,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-19 23:15:46,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-19 23:15:46,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-02-19 23:15:46,774 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-02-19 23:15:46,775 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 23:15:46,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 23:15:46,775 INFO L82 PathProgramCache]: Analyzing trace with hash 1160524661, now seen corresponding path program 12 times [2021-02-19 23:15:46,775 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 23:15:46,775 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1496150730] [2021-02-19 23:15:46,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 23:15:46,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:15:46,945 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 0 proven. 161 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 23:15:46,945 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1496150730] [2021-02-19 23:15:46,946 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1330343624] [2021-02-19 23:15:46,946 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 23:15:46,978 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2021-02-19 23:15:46,978 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-19 23:15:46,979 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 32 conjunts are in the unsatisfiable core [2021-02-19 23:15:46,980 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 23:15:47,380 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 23:15:47,381 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2021-02-19 23:15:47,382 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-19 23:15:47,386 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:15:47,388 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-02-19 23:15:47,388 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:23, output treesize:3 [2021-02-19 23:15:47,456 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 0 proven. 161 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 23:15:47,456 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 23:15:47,456 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 25 [2021-02-19 23:15:47,456 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [370516581] [2021-02-19 23:15:47,457 INFO L460 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-02-19 23:15:47,457 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 23:15:47,457 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-02-19 23:15:47,457 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=593, Unknown=0, NotChecked=0, Total=650 [2021-02-19 23:15:47,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 23:15:47,458 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 23:15:47,458 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 3.8461538461538463) internal successors, (100), 25 states have internal predecessors, (100), 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) [2021-02-19 23:15:47,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-19 23:15:47,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:15:47,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:15:47,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-19 23:15:47,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-02-19 23:15:47,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-02-19 23:15:47,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-02-19 23:15:47,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-02-19 23:15:47,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 23:15:47,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-02-19 23:15:47,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-02-19 23:15:47,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-19 23:15:47,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-02-19 23:15:47,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 23:15:47,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-19 23:15:47,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:15:47,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:15:47,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-19 23:15:47,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-19 23:15:47,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-19 23:15:47,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-19 23:15:47,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-02-19 23:15:47,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 23:15:47,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-19 23:15:47,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-19 23:15:47,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-19 23:15:47,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-02-19 23:15:47,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-02-19 23:15:48,153 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 23:15:48,154 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 23:15:48,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 23:15:48,154 INFO L82 PathProgramCache]: Analyzing trace with hash -2091933448, now seen corresponding path program 13 times [2021-02-19 23:15:48,154 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 23:15:48,154 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1351702363] [2021-02-19 23:15:48,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 23:15:48,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:15:49,681 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 23:15:49,682 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1351702363] [2021-02-19 23:15:49,682 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [232724760] [2021-02-19 23:15:49,682 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 23:15:49,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:15:49,714 WARN L261 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 94 conjunts are in the unsatisfiable core [2021-02-19 23:15:49,716 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 23:15:50,975 INFO L354 Elim1Store]: treesize reduction 252, result has 0.4 percent of original size [2021-02-19 23:15:50,976 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 90 treesize of output 34 [2021-02-19 23:15:50,978 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-19 23:15:50,984 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:15:50,985 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-02-19 23:15:50,986 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:96, output treesize:13 [2021-02-19 23:15:51,261 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 23:15:51,262 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 23:15:51,262 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43, 36] total 61 [2021-02-19 23:15:51,262 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622330525] [2021-02-19 23:15:51,263 INFO L460 AbstractCegarLoop]: Interpolant automaton has 62 states [2021-02-19 23:15:51,263 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 23:15:51,263 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2021-02-19 23:15:51,264 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=163, Invalid=3619, Unknown=0, NotChecked=0, Total=3782 [2021-02-19 23:15:51,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 23:15:51,264 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 23:15:51,264 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 62 states, 62 states have (on average 1.7258064516129032) internal successors, (107), 61 states have internal predecessors, (107), 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) [2021-02-19 23:15:51,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-19 23:15:51,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:15:51,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:15:51,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-19 23:15:51,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-02-19 23:15:51,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-02-19 23:15:51,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-02-19 23:15:51,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-02-19 23:15:51,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 23:15:51,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-02-19 23:15:51,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-02-19 23:15:51,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-19 23:15:51,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-02-19 23:15:51,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-02-19 23:15:51,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 23:15:52,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-19 23:15:52,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:15:52,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:15:52,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-19 23:15:52,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-19 23:15:52,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-19 23:15:52,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-19 23:15:52,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-02-19 23:15:52,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 23:15:52,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-19 23:15:52,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-19 23:15:52,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-19 23:15:52,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-02-19 23:15:52,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-02-19 23:15:52,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-02-19 23:15:52,650 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-02-19 23:15:52,650 INFO L428 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 23:15:52,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 23:15:52,651 INFO L82 PathProgramCache]: Analyzing trace with hash 512455241, now seen corresponding path program 14 times [2021-02-19 23:15:52,651 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 23:15:52,651 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [522677954] [2021-02-19 23:15:52,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 23:15:52,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:15:52,924 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 0 proven. 212 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 23:15:52,924 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [522677954] [2021-02-19 23:15:52,924 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1646296366] [2021-02-19 23:15:52,924 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 23:15:52,964 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-02-19 23:15:52,964 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-19 23:15:52,965 INFO L263 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 34 conjunts are in the unsatisfiable core [2021-02-19 23:15:52,967 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 23:15:53,474 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 23:15:53,475 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-02-19 23:15:53,476 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-19 23:15:53,481 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:15:53,482 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-02-19 23:15:53,483 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:17, output treesize:3 [2021-02-19 23:15:53,522 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 0 proven. 212 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 23:15:53,522 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 23:15:53,522 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 28 [2021-02-19 23:15:53,523 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691063643] [2021-02-19 23:15:53,523 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-02-19 23:15:53,523 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 23:15:53,523 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-02-19 23:15:53,524 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=748, Unknown=0, NotChecked=0, Total=812 [2021-02-19 23:15:53,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 23:15:53,524 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 23:15:53,524 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 29 states, 29 states have (on average 3.8275862068965516) internal successors, (111), 28 states have internal predecessors, (111), 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) [2021-02-19 23:15:53,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-19 23:15:53,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:15:53,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:15:53,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-19 23:15:53,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-02-19 23:15:53,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-02-19 23:15:53,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-02-19 23:15:53,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-02-19 23:15:53,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 23:15:53,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-02-19 23:15:53,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-02-19 23:15:53,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-19 23:15:53,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-02-19 23:15:53,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-02-19 23:15:53,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-02-19 23:15:53,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 23:15:54,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-19 23:15:54,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:15:54,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:15:54,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-19 23:15:54,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-19 23:15:54,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-19 23:15:54,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-19 23:15:54,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-02-19 23:15:54,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 23:15:54,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-19 23:15:54,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-19 23:15:54,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-19 23:15:54,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-02-19 23:15:54,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-02-19 23:15:54,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-02-19 23:15:54,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-02-19 23:15:54,418 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-02-19 23:15:54,418 INFO L428 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 23:15:54,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 23:15:54,419 INFO L82 PathProgramCache]: Analyzing trace with hash 176903628, now seen corresponding path program 15 times [2021-02-19 23:15:54,419 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 23:15:54,419 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914043142] [2021-02-19 23:15:54,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 23:15:54,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:15:56,379 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 0 proven. 245 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 23:15:56,379 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [914043142] [2021-02-19 23:15:56,380 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [434841910] [2021-02-19 23:15:56,380 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 23:15:56,419 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2021-02-19 23:15:56,420 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-19 23:15:56,422 WARN L261 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 108 conjunts are in the unsatisfiable core [2021-02-19 23:15:56,423 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 23:15:58,299 INFO L354 Elim1Store]: treesize reduction 322, result has 0.3 percent of original size [2021-02-19 23:15:58,300 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 98 treesize of output 38 [2021-02-19 23:15:58,302 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-19 23:15:58,307 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:15:58,308 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-02-19 23:15:58,308 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:104, output treesize:13 [2021-02-19 23:15:58,615 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 0 proven. 245 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 23:15:58,616 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 23:15:58,616 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48, 41] total 70 [2021-02-19 23:15:58,616 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488079237] [2021-02-19 23:15:58,616 INFO L460 AbstractCegarLoop]: Interpolant automaton has 71 states [2021-02-19 23:15:58,616 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 23:15:58,616 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 71 interpolants. [2021-02-19 23:15:58,618 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=188, Invalid=4782, Unknown=0, NotChecked=0, Total=4970 [2021-02-19 23:15:58,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 23:15:58,618 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 23:15:58,618 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 71 states, 71 states have (on average 1.6901408450704225) internal successors, (120), 70 states have internal predecessors, (120), 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) [2021-02-19 23:15:58,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-19 23:15:58,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:15:58,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:15:58,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-19 23:15:58,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-02-19 23:15:58,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-02-19 23:15:58,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-02-19 23:15:58,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-02-19 23:15:58,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 23:15:58,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-02-19 23:15:58,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-02-19 23:15:58,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-19 23:15:58,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-02-19 23:15:58,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-02-19 23:15:58,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-02-19 23:15:58,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-02-19 23:15:58,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 23:15:59,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-19 23:15:59,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:15:59,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:15:59,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-19 23:15:59,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-19 23:15:59,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-19 23:15:59,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-19 23:15:59,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-02-19 23:15:59,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 23:15:59,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-19 23:15:59,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-19 23:15:59,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-19 23:15:59,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-02-19 23:15:59,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-02-19 23:15:59,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-02-19 23:15:59,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-02-19 23:15:59,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-19 23:16:00,000 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-02-19 23:16:00,000 INFO L428 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 23:16:00,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 23:16:00,000 INFO L82 PathProgramCache]: Analyzing trace with hash 449943387, now seen corresponding path program 16 times [2021-02-19 23:16:00,001 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 23:16:00,001 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1670878695] [2021-02-19 23:16:00,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 23:16:00,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:16:00,277 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 0 proven. 270 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 23:16:00,278 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1670878695] [2021-02-19 23:16:00,278 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [413815316] [2021-02-19 23:16:00,278 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 23:16:00,315 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-02-19 23:16:00,316 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-19 23:16:00,317 INFO L263 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 38 conjunts are in the unsatisfiable core [2021-02-19 23:16:00,318 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 23:16:00,963 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 23:16:00,964 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-02-19 23:16:00,966 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-19 23:16:00,971 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:16:00,973 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-02-19 23:16:00,973 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:17, output treesize:3 [2021-02-19 23:16:01,025 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 0 proven. 270 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 23:16:01,025 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 23:16:01,025 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21] total 31 [2021-02-19 23:16:01,026 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744879956] [2021-02-19 23:16:01,027 INFO L460 AbstractCegarLoop]: Interpolant automaton has 32 states [2021-02-19 23:16:01,027 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 23:16:01,027 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-02-19 23:16:01,027 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=921, Unknown=0, NotChecked=0, Total=992 [2021-02-19 23:16:01,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 23:16:01,028 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 23:16:01,028 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 32 states, 32 states have (on average 3.8125) internal successors, (122), 31 states have internal predecessors, (122), 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) [2021-02-19 23:16:01,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-19 23:16:01,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:16:01,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:16:01,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-19 23:16:01,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-02-19 23:16:01,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-02-19 23:16:01,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-02-19 23:16:01,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-02-19 23:16:01,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 23:16:01,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-02-19 23:16:01,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-02-19 23:16:01,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-19 23:16:01,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-02-19 23:16:01,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-02-19 23:16:01,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-02-19 23:16:01,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-02-19 23:16:01,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-19 23:16:01,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 23:16:01,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-19 23:16:01,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:16:01,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:16:01,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-19 23:16:01,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-19 23:16:01,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-19 23:16:01,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-19 23:16:01,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-02-19 23:16:01,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 23:16:01,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-19 23:16:01,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-19 23:16:01,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-19 23:16:01,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-02-19 23:16:01,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-02-19 23:16:01,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-02-19 23:16:01,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-02-19 23:16:01,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-19 23:16:01,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-02-19 23:16:02,103 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,19 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 23:16:02,104 INFO L428 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 23:16:02,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 23:16:02,104 INFO L82 PathProgramCache]: Analyzing trace with hash 2117378526, now seen corresponding path program 17 times [2021-02-19 23:16:02,104 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 23:16:02,105 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833216313] [2021-02-19 23:16:02,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 23:16:02,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:16:04,626 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 0 proven. 307 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 23:16:04,626 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [833216313] [2021-02-19 23:16:04,626 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1262203611] [2021-02-19 23:16:04,626 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 23:16:04,671 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2021-02-19 23:16:04,672 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-19 23:16:04,674 WARN L261 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 120 conjunts are in the unsatisfiable core [2021-02-19 23:16:04,675 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 23:16:07,422 INFO L354 Elim1Store]: treesize reduction 416, result has 0.2 percent of original size [2021-02-19 23:16:07,423 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 110 treesize of output 42 [2021-02-19 23:16:07,425 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-19 23:16:07,431 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:16:07,432 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-02-19 23:16:07,432 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:116, output treesize:13 [2021-02-19 23:16:07,791 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 0 proven. 307 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 23:16:07,792 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 23:16:07,792 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [53, 48] total 79 [2021-02-19 23:16:07,792 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772358124] [2021-02-19 23:16:07,792 INFO L460 AbstractCegarLoop]: Interpolant automaton has 80 states [2021-02-19 23:16:07,792 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 23:16:07,793 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 80 interpolants. [2021-02-19 23:16:07,794 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=223, Invalid=6097, Unknown=0, NotChecked=0, Total=6320 [2021-02-19 23:16:07,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 23:16:07,794 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 23:16:07,794 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 80 states, 80 states have (on average 1.6125) internal successors, (129), 79 states have internal predecessors, (129), 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) [2021-02-19 23:16:07,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-19 23:16:07,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:16:07,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:16:07,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-19 23:16:07,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-02-19 23:16:07,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-02-19 23:16:07,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-02-19 23:16:07,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-02-19 23:16:07,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 23:16:07,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-02-19 23:16:07,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-02-19 23:16:07,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-19 23:16:07,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-02-19 23:16:07,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-02-19 23:16:07,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-02-19 23:16:07,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-02-19 23:16:07,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-19 23:16:07,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-02-19 23:16:07,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 23:16:09,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-19 23:16:09,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:16:09,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:16:09,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-19 23:16:09,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-19 23:16:09,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-19 23:16:09,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-19 23:16:09,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-02-19 23:16:09,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 23:16:09,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-19 23:16:09,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-19 23:16:09,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-19 23:16:09,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-02-19 23:16:09,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-02-19 23:16:09,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-02-19 23:16:09,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-02-19 23:16:09,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-19 23:16:09,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-02-19 23:16:09,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-02-19 23:16:10,006 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,20 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 23:16:10,006 INFO L428 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 23:16:10,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 23:16:10,006 INFO L82 PathProgramCache]: Analyzing trace with hash -430222993, now seen corresponding path program 18 times [2021-02-19 23:16:10,006 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 23:16:10,006 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1944207484] [2021-02-19 23:16:10,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 23:16:10,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:16:10,336 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 0 proven. 335 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 23:16:10,337 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1944207484] [2021-02-19 23:16:10,337 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1254160672] [2021-02-19 23:16:10,337 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 23:16:10,402 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 11 check-sat command(s) [2021-02-19 23:16:10,402 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-19 23:16:10,404 INFO L263 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 42 conjunts are in the unsatisfiable core [2021-02-19 23:16:10,405 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 23:16:11,214 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 23:16:11,215 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-02-19 23:16:11,216 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-19 23:16:11,220 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:16:11,223 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-02-19 23:16:11,223 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:17, output treesize:3 [2021-02-19 23:16:11,279 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 0 proven. 335 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 23:16:11,279 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 23:16:11,279 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23] total 34 [2021-02-19 23:16:11,279 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1859163998] [2021-02-19 23:16:11,280 INFO L460 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-02-19 23:16:11,280 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 23:16:11,280 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-02-19 23:16:11,280 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=1112, Unknown=0, NotChecked=0, Total=1190 [2021-02-19 23:16:11,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 23:16:11,280 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 23:16:11,281 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 3.8) internal successors, (133), 34 states have internal predecessors, (133), 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) [2021-02-19 23:16:11,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-19 23:16:11,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:16:11,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:16:11,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-19 23:16:11,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-02-19 23:16:11,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-02-19 23:16:11,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-02-19 23:16:11,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-02-19 23:16:11,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 23:16:11,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-02-19 23:16:11,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-02-19 23:16:11,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-19 23:16:11,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-02-19 23:16:11,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-02-19 23:16:11,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-02-19 23:16:11,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-02-19 23:16:11,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-19 23:16:11,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-02-19 23:16:11,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-02-19 23:16:11,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 23:16:12,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-19 23:16:12,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:16:12,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:16:12,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-19 23:16:12,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-19 23:16:12,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-19 23:16:12,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-19 23:16:12,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-02-19 23:16:12,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 23:16:12,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-19 23:16:12,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-19 23:16:12,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-19 23:16:12,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-02-19 23:16:12,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-02-19 23:16:12,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-02-19 23:16:12,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-02-19 23:16:12,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-19 23:16:12,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-02-19 23:16:12,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-02-19 23:16:12,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-19 23:16:12,497 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2021-02-19 23:16:12,497 INFO L428 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 23:16:12,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 23:16:12,498 INFO L82 PathProgramCache]: Analyzing trace with hash -1687473678, now seen corresponding path program 19 times [2021-02-19 23:16:12,498 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 23:16:12,498 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1193069866] [2021-02-19 23:16:12,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 23:16:12,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:16:15,759 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 0 proven. 376 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 23:16:15,759 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1193069866] [2021-02-19 23:16:15,759 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [105533674] [2021-02-19 23:16:15,759 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 23:16:15,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:16:15,797 WARN L261 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 130 conjunts are in the unsatisfiable core [2021-02-19 23:16:15,798 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 23:16:18,752 INFO L354 Elim1Store]: treesize reduction 540, result has 0.2 percent of original size [2021-02-19 23:16:18,752 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 126 treesize of output 46 [2021-02-19 23:16:18,754 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-19 23:16:18,760 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:16:18,761 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-02-19 23:16:18,761 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:132, output treesize:13 [2021-02-19 23:16:19,183 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 0 proven. 376 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 23:16:19,184 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 23:16:19,184 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [58, 48] total 82 [2021-02-19 23:16:19,184 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1942755875] [2021-02-19 23:16:19,184 INFO L460 AbstractCegarLoop]: Interpolant automaton has 83 states [2021-02-19 23:16:19,184 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 23:16:19,185 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 83 interpolants. [2021-02-19 23:16:19,186 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=217, Invalid=6589, Unknown=0, NotChecked=0, Total=6806 [2021-02-19 23:16:19,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 23:16:19,186 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 23:16:19,186 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 83 states, 83 states have (on average 1.6867469879518073) internal successors, (140), 82 states have internal predecessors, (140), 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) [2021-02-19 23:16:19,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-19 23:16:19,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:16:19,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:16:19,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-19 23:16:19,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-02-19 23:16:19,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-02-19 23:16:19,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-02-19 23:16:19,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-02-19 23:16:19,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 23:16:19,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-02-19 23:16:19,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-02-19 23:16:19,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-19 23:16:19,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-02-19 23:16:19,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-02-19 23:16:19,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-02-19 23:16:19,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-02-19 23:16:19,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-19 23:16:19,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-02-19 23:16:19,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-02-19 23:16:19,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-19 23:16:19,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 23:16:21,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-19 23:16:21,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:16:21,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:16:21,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-19 23:16:21,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-19 23:16:21,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-19 23:16:21,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-19 23:16:21,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-02-19 23:16:21,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 23:16:21,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-19 23:16:21,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-19 23:16:21,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-19 23:16:21,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-02-19 23:16:21,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-02-19 23:16:21,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-02-19 23:16:21,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-02-19 23:16:21,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-19 23:16:21,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-02-19 23:16:21,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-02-19 23:16:21,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-19 23:16:21,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-02-19 23:16:21,571 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2021-02-19 23:16:21,571 INFO L428 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 23:16:21,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 23:16:21,571 INFO L82 PathProgramCache]: Analyzing trace with hash -1598288575, now seen corresponding path program 20 times [2021-02-19 23:16:21,572 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 23:16:21,572 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1257132609] [2021-02-19 23:16:21,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 23:16:21,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:16:21,961 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 0 proven. 407 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 23:16:21,961 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1257132609] [2021-02-19 23:16:21,961 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [331265607] [2021-02-19 23:16:21,961 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 23:16:22,019 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-02-19 23:16:22,020 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-19 23:16:22,021 INFO L263 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 46 conjunts are in the unsatisfiable core [2021-02-19 23:16:22,022 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 23:16:22,919 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 23:16:22,920 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-02-19 23:16:22,921 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-19 23:16:22,927 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:16:22,928 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-02-19 23:16:22,929 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:17, output treesize:3 [2021-02-19 23:16:22,991 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 0 proven. 407 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 23:16:22,991 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 23:16:22,991 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25] total 37 [2021-02-19 23:16:22,992 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1000792819] [2021-02-19 23:16:22,992 INFO L460 AbstractCegarLoop]: Interpolant automaton has 38 states [2021-02-19 23:16:22,992 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 23:16:22,992 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2021-02-19 23:16:22,993 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=1321, Unknown=0, NotChecked=0, Total=1406 [2021-02-19 23:16:22,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 23:16:22,993 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 23:16:22,993 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 38 states, 38 states have (on average 3.789473684210526) internal successors, (144), 37 states have internal predecessors, (144), 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) [2021-02-19 23:16:22,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-19 23:16:22,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:16:22,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:16:22,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-19 23:16:22,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-02-19 23:16:22,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-02-19 23:16:22,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-02-19 23:16:22,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-02-19 23:16:22,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 23:16:22,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-02-19 23:16:22,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-02-19 23:16:22,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-19 23:16:22,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-02-19 23:16:22,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-02-19 23:16:22,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-02-19 23:16:22,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-02-19 23:16:22,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-19 23:16:22,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-02-19 23:16:22,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-02-19 23:16:22,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-19 23:16:22,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-02-19 23:16:22,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 23:16:24,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-19 23:16:24,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:16:24,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:16:24,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-19 23:16:24,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-19 23:16:24,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-19 23:16:24,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-19 23:16:24,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-02-19 23:16:24,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 23:16:24,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-19 23:16:24,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-19 23:16:24,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-19 23:16:24,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-02-19 23:16:24,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-02-19 23:16:24,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-02-19 23:16:24,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-02-19 23:16:24,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-19 23:16:24,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-02-19 23:16:24,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-02-19 23:16:24,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-19 23:16:24,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-02-19 23:16:24,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-02-19 23:16:24,530 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,23 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 23:16:24,530 INFO L428 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 23:16:24,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 23:16:24,531 INFO L82 PathProgramCache]: Analyzing trace with hash 2089137348, now seen corresponding path program 21 times [2021-02-19 23:16:24,531 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 23:16:24,531 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [170334005] [2021-02-19 23:16:24,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 23:16:24,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:16:28,505 INFO L134 CoverageAnalysis]: Checked inductivity of 452 backedges. 0 proven. 452 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 23:16:28,505 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [170334005] [2021-02-19 23:16:28,505 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [584226389] [2021-02-19 23:16:28,505 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 23:16:28,553 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 13 check-sat command(s) [2021-02-19 23:16:28,553 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-19 23:16:28,556 WARN L261 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 144 conjunts are in the unsatisfiable core [2021-02-19 23:16:28,557 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 23:16:32,949 INFO L354 Elim1Store]: treesize reduction 640, result has 0.2 percent of original size [2021-02-19 23:16:32,950 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 0 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 55 case distinctions, treesize of input 134 treesize of output 50 [2021-02-19 23:16:32,952 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-19 23:16:32,959 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:16:32,960 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-02-19 23:16:32,960 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:140, output treesize:13 [2021-02-19 23:16:33,517 INFO L134 CoverageAnalysis]: Checked inductivity of 452 backedges. 0 proven. 452 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 23:16:33,517 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 23:16:33,517 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [63, 54] total 91 [2021-02-19 23:16:33,518 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1510087202] [2021-02-19 23:16:33,518 INFO L460 AbstractCegarLoop]: Interpolant automaton has 92 states [2021-02-19 23:16:33,518 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 23:16:33,518 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 92 interpolants. [2021-02-19 23:16:33,520 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=247, Invalid=8125, Unknown=0, NotChecked=0, Total=8372 [2021-02-19 23:16:33,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 23:16:33,520 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 23:16:33,520 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 92 states, 92 states have (on average 1.641304347826087) internal successors, (151), 91 states have internal predecessors, (151), 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) [2021-02-19 23:16:33,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-19 23:16:33,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:16:33,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:16:33,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-19 23:16:33,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-02-19 23:16:33,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-02-19 23:16:33,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-02-19 23:16:33,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-02-19 23:16:33,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 23:16:33,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-02-19 23:16:33,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-02-19 23:16:33,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-19 23:16:33,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-02-19 23:16:33,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-02-19 23:16:33,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-02-19 23:16:33,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-02-19 23:16:33,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-19 23:16:33,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-02-19 23:16:33,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-02-19 23:16:33,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-19 23:16:33,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-02-19 23:16:33,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-02-19 23:16:33,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 23:16:36,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-19 23:16:36,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:16:36,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:16:36,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-19 23:16:36,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-19 23:16:36,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-19 23:16:36,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-19 23:16:36,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-02-19 23:16:36,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 23:16:36,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-19 23:16:36,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-19 23:16:36,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-19 23:16:36,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-02-19 23:16:36,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-02-19 23:16:36,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-02-19 23:16:36,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-02-19 23:16:36,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-19 23:16:36,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-02-19 23:16:36,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-02-19 23:16:36,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-19 23:16:36,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-02-19 23:16:36,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-02-19 23:16:36,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-02-19 23:16:36,822 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2021-02-19 23:16:36,822 INFO L428 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 23:16:36,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 23:16:36,823 INFO L82 PathProgramCache]: Analyzing trace with hash -1927982443, now seen corresponding path program 22 times [2021-02-19 23:16:36,823 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 23:16:36,823 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2117836035] [2021-02-19 23:16:36,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 23:16:36,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:16:37,342 INFO L134 CoverageAnalysis]: Checked inductivity of 486 backedges. 0 proven. 486 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 23:16:37,343 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2117836035] [2021-02-19 23:16:37,343 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [809648315] [2021-02-19 23:16:37,343 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 23:16:37,385 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-02-19 23:16:37,385 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-19 23:16:37,387 INFO L263 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 50 conjunts are in the unsatisfiable core [2021-02-19 23:16:37,388 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 23:16:38,564 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 23:16:38,567 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-02-19 23:16:38,569 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-19 23:16:38,575 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:16:38,578 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-02-19 23:16:38,578 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:17, output treesize:3 [2021-02-19 23:16:38,655 INFO L134 CoverageAnalysis]: Checked inductivity of 486 backedges. 0 proven. 486 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 23:16:38,655 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 23:16:38,655 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27] total 40 [2021-02-19 23:16:38,656 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210897686] [2021-02-19 23:16:38,656 INFO L460 AbstractCegarLoop]: Interpolant automaton has 41 states [2021-02-19 23:16:38,656 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 23:16:38,656 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2021-02-19 23:16:38,657 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=1548, Unknown=0, NotChecked=0, Total=1640 [2021-02-19 23:16:38,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 23:16:38,657 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 23:16:38,657 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 41 states, 41 states have (on average 3.7804878048780486) internal successors, (155), 40 states have internal predecessors, (155), 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) [2021-02-19 23:16:38,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-19 23:16:38,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:16:38,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:16:38,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-19 23:16:38,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-02-19 23:16:38,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-02-19 23:16:38,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-02-19 23:16:38,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-02-19 23:16:38,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 23:16:38,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-02-19 23:16:38,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-02-19 23:16:38,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-19 23:16:38,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-02-19 23:16:38,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-02-19 23:16:38,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-02-19 23:16:38,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-02-19 23:16:38,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-19 23:16:38,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-02-19 23:16:38,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-02-19 23:16:38,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-19 23:16:38,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-02-19 23:16:38,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-02-19 23:16:38,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-02-19 23:16:38,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 23:16:40,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-19 23:16:40,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:16:40,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:16:40,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-19 23:16:40,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-19 23:16:40,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-19 23:16:40,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-19 23:16:40,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-02-19 23:16:40,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 23:16:40,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-19 23:16:40,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-19 23:16:40,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-19 23:16:40,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-02-19 23:16:40,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-02-19 23:16:40,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-02-19 23:16:40,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-02-19 23:16:40,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-19 23:16:40,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-02-19 23:16:40,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-02-19 23:16:40,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-19 23:16:40,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-02-19 23:16:40,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-02-19 23:16:40,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-02-19 23:16:40,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-02-19 23:16:40,651 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,25 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 23:16:40,651 INFO L428 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 23:16:40,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 23:16:40,652 INFO L82 PathProgramCache]: Analyzing trace with hash 1700016152, now seen corresponding path program 23 times [2021-02-19 23:16:40,652 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 23:16:40,652 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805064211] [2021-02-19 23:16:40,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 23:16:40,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:16:46,388 INFO L134 CoverageAnalysis]: Checked inductivity of 535 backedges. 0 proven. 535 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 23:16:46,388 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805064211] [2021-02-19 23:16:46,388 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2007536105] [2021-02-19 23:16:46,388 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 23:16:46,463 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 14 check-sat command(s) [2021-02-19 23:16:46,464 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-19 23:16:46,467 WARN L261 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 156 conjunts are in the unsatisfiable core [2021-02-19 23:16:46,469 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 23:16:52,872 INFO L354 Elim1Store]: treesize reduction 770, result has 0.1 percent of original size [2021-02-19 23:16:52,872 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 66 case distinctions, treesize of input 146 treesize of output 54 [2021-02-19 23:16:52,875 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-19 23:16:52,884 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:16:52,885 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-02-19 23:16:52,885 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:152, output treesize:13 [2021-02-19 23:16:53,638 INFO L134 CoverageAnalysis]: Checked inductivity of 535 backedges. 0 proven. 535 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 23:16:53,639 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 23:16:53,639 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [68, 57] total 98 [2021-02-19 23:16:53,639 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [974286636] [2021-02-19 23:16:53,639 INFO L460 AbstractCegarLoop]: Interpolant automaton has 99 states [2021-02-19 23:16:53,639 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 23:16:53,640 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 99 interpolants. [2021-02-19 23:16:53,641 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=260, Invalid=9442, Unknown=0, NotChecked=0, Total=9702 [2021-02-19 23:16:53,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 23:16:53,642 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 23:16:53,642 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 99 states, 99 states have (on average 1.6565656565656566) internal successors, (164), 98 states have internal predecessors, (164), 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) [2021-02-19 23:16:53,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-19 23:16:53,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:16:53,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:16:53,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-19 23:16:53,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-02-19 23:16:53,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-02-19 23:16:53,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-02-19 23:16:53,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-02-19 23:16:53,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 23:16:53,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-02-19 23:16:53,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-02-19 23:16:53,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-19 23:16:53,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-02-19 23:16:53,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-02-19 23:16:53,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-02-19 23:16:53,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-02-19 23:16:53,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-19 23:16:53,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-02-19 23:16:53,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-02-19 23:16:53,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-19 23:16:53,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-02-19 23:16:53,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-02-19 23:16:53,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-02-19 23:16:53,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-02-19 23:16:53,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 23:16:59,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-19 23:16:59,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:16:59,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:16:59,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-19 23:16:59,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-19 23:16:59,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-19 23:16:59,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-19 23:16:59,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-02-19 23:16:59,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 23:16:59,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-19 23:16:59,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-19 23:16:59,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-19 23:16:59,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-02-19 23:16:59,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-02-19 23:16:59,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-02-19 23:16:59,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-02-19 23:16:59,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-19 23:16:59,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-02-19 23:16:59,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-02-19 23:16:59,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-19 23:16:59,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-02-19 23:16:59,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-02-19 23:16:59,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-02-19 23:16:59,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-02-19 23:16:59,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-02-19 23:16:59,464 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2021-02-19 23:16:59,464 INFO L428 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 23:16:59,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 23:16:59,465 INFO L82 PathProgramCache]: Analyzing trace with hash 1296012583, now seen corresponding path program 24 times [2021-02-19 23:16:59,465 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 23:16:59,465 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1946901134] [2021-02-19 23:16:59,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 23:16:59,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:17:00,254 INFO L134 CoverageAnalysis]: Checked inductivity of 572 backedges. 0 proven. 572 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 23:17:00,255 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1946901134] [2021-02-19 23:17:00,255 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1700551478] [2021-02-19 23:17:00,255 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 23:17:00,344 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 14 check-sat command(s) [2021-02-19 23:17:00,345 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-19 23:17:00,347 INFO L263 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 62 conjunts are in the unsatisfiable core [2021-02-19 23:17:00,349 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 23:17:02,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 23:17:02,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 23:17:02,981 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 23:17:02,982 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 10 [2021-02-19 23:17:02,984 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-19 23:17:02,992 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:17:02,994 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-02-19 23:17:02,995 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:30, output treesize:3 [2021-02-19 23:17:03,037 INFO L134 CoverageAnalysis]: Checked inductivity of 572 backedges. 0 proven. 572 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 23:17:03,037 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 23:17:03,037 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 30] total 52 [2021-02-19 23:17:03,038 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [716189380] [2021-02-19 23:17:03,038 INFO L460 AbstractCegarLoop]: Interpolant automaton has 53 states [2021-02-19 23:17:03,038 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 23:17:03,038 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2021-02-19 23:17:03,039 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=141, Invalid=2615, Unknown=0, NotChecked=0, Total=2756 [2021-02-19 23:17:03,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 23:17:03,039 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 23:17:03,039 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 53 states, 53 states have (on average 3.6037735849056602) internal successors, (191), 52 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) [2021-02-19 23:17:03,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-19 23:17:03,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:17:03,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:17:03,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-19 23:17:03,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-02-19 23:17:03,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-02-19 23:17:03,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-02-19 23:17:03,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-02-19 23:17:03,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 23:17:03,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-02-19 23:17:03,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-02-19 23:17:03,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-19 23:17:03,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-02-19 23:17:03,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-02-19 23:17:03,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-02-19 23:17:03,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-02-19 23:17:03,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-19 23:17:03,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-02-19 23:17:03,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-02-19 23:17:03,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-19 23:17:03,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-02-19 23:17:03,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-02-19 23:17:03,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-02-19 23:17:03,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-02-19 23:17:03,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-02-19 23:17:03,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 23:17:07,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-19 23:17:07,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:17:07,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:17:07,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-19 23:17:07,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-19 23:17:07,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-19 23:17:07,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-19 23:17:07,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-02-19 23:17:07,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 23:17:07,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-19 23:17:07,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-19 23:17:07,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-19 23:17:07,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-02-19 23:17:07,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-02-19 23:17:07,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-02-19 23:17:07,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-02-19 23:17:07,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-19 23:17:07,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-02-19 23:17:07,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-02-19 23:17:07,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-19 23:17:07,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-02-19 23:17:07,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-02-19 23:17:07,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-02-19 23:17:07,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-02-19 23:17:07,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-02-19 23:17:07,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-02-19 23:17:07,863 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2021-02-19 23:17:07,863 INFO L428 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 23:17:07,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 23:17:07,863 INFO L82 PathProgramCache]: Analyzing trace with hash 20018619, now seen corresponding path program 25 times [2021-02-19 23:17:07,863 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 23:17:07,863 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1088128664] [2021-02-19 23:17:07,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 23:17:07,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:17:08,683 INFO L134 CoverageAnalysis]: Checked inductivity of 665 backedges. 0 proven. 665 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 23:17:08,683 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1088128664] [2021-02-19 23:17:08,684 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [691750922] [2021-02-19 23:17:08,684 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 23:17:08,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:17:08,728 INFO L263 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 58 conjunts are in the unsatisfiable core [2021-02-19 23:17:08,729 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 23:17:10,513 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 23:17:10,513 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-02-19 23:17:10,516 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-19 23:17:10,523 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:17:10,526 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-02-19 23:17:10,526 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:17, output treesize:3 [2021-02-19 23:17:10,623 INFO L134 CoverageAnalysis]: Checked inductivity of 665 backedges. 0 proven. 665 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 23:17:10,624 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 23:17:10,624 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 31] total 46 [2021-02-19 23:17:10,624 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491444849] [2021-02-19 23:17:10,624 INFO L460 AbstractCegarLoop]: Interpolant automaton has 47 states [2021-02-19 23:17:10,624 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 23:17:10,625 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2021-02-19 23:17:10,625 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=2056, Unknown=0, NotChecked=0, Total=2162 [2021-02-19 23:17:10,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 23:17:10,625 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 23:17:10,626 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 47 states, 47 states have (on average 3.765957446808511) internal successors, (177), 46 states have internal predecessors, (177), 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) [2021-02-19 23:17:10,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-19 23:17:10,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:17:10,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:17:10,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-19 23:17:10,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-02-19 23:17:10,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-02-19 23:17:10,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-02-19 23:17:10,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-02-19 23:17:10,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 23:17:10,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-02-19 23:17:10,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-02-19 23:17:10,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-19 23:17:10,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-02-19 23:17:10,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-02-19 23:17:10,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-02-19 23:17:10,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-02-19 23:17:10,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-19 23:17:10,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-02-19 23:17:10,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-02-19 23:17:10,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-19 23:17:10,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-02-19 23:17:10,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-02-19 23:17:10,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-02-19 23:17:10,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-02-19 23:17:10,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-02-19 23:17:10,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-02-19 23:17:10,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 23:17:13,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-19 23:17:13,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:17:13,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:17:13,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-19 23:17:13,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-19 23:17:13,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-19 23:17:13,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-19 23:17:13,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-02-19 23:17:13,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 23:17:13,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-19 23:17:13,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-19 23:17:13,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-19 23:17:13,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-02-19 23:17:13,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-02-19 23:17:13,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-02-19 23:17:13,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-02-19 23:17:13,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-19 23:17:13,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-02-19 23:17:13,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-02-19 23:17:13,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-19 23:17:13,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-02-19 23:17:13,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-02-19 23:17:13,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-02-19 23:17:13,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-02-19 23:17:13,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-02-19 23:17:13,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-02-19 23:17:13,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-02-19 23:17:13,773 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2021-02-19 23:17:13,773 INFO L428 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 23:17:13,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 23:17:13,774 INFO L82 PathProgramCache]: Analyzing trace with hash 1522421822, now seen corresponding path program 26 times [2021-02-19 23:17:13,774 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 23:17:13,774 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [436115281] [2021-02-19 23:17:13,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 23:17:13,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:17:23,161 INFO L134 CoverageAnalysis]: Checked inductivity of 722 backedges. 0 proven. 722 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 23:17:23,161 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [436115281] [2021-02-19 23:17:23,161 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [533223983] [2021-02-19 23:17:23,161 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 23:17:23,207 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-02-19 23:17:23,207 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-19 23:17:23,213 WARN L261 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 178 conjunts are in the unsatisfiable core [2021-02-19 23:17:23,216 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 23:17:33,751 INFO L354 Elim1Store]: treesize reduction 1092, result has 0.1 percent of original size [2021-02-19 23:17:33,752 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 0 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 91 case distinctions, treesize of input 174 treesize of output 62 [2021-02-19 23:17:33,756 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-19 23:17:33,769 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:17:33,771 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-02-19 23:17:33,771 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:180, output treesize:13 [2021-02-19 23:17:35,088 INFO L134 CoverageAnalysis]: Checked inductivity of 722 backedges. 0 proven. 722 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 23:17:35,088 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 23:17:35,089 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [78, 64] total 110 [2021-02-19 23:17:35,089 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [265661247] [2021-02-19 23:17:35,089 INFO L460 AbstractCegarLoop]: Interpolant automaton has 111 states [2021-02-19 23:17:35,089 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 23:17:35,090 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 111 interpolants. [2021-02-19 23:17:35,091 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=289, Invalid=11921, Unknown=0, NotChecked=0, Total=12210 [2021-02-19 23:17:35,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 23:17:35,091 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 23:17:35,091 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 111 states, 111 states have (on average 1.6576576576576576) internal successors, (184), 110 states have internal predecessors, (184), 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) [2021-02-19 23:17:35,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-19 23:17:35,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:17:35,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:17:35,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-19 23:17:35,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-02-19 23:17:35,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-02-19 23:17:35,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-02-19 23:17:35,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-02-19 23:17:35,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 23:17:35,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-02-19 23:17:35,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-02-19 23:17:35,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-19 23:17:35,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-02-19 23:17:35,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-02-19 23:17:35,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-02-19 23:17:35,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-02-19 23:17:35,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-19 23:17:35,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-02-19 23:17:35,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-02-19 23:17:35,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-19 23:17:35,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-02-19 23:17:35,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-02-19 23:17:35,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-02-19 23:17:35,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-02-19 23:17:35,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-02-19 23:17:35,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-02-19 23:17:35,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-02-19 23:17:35,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 23:17:44,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-19 23:17:44,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:17:44,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:17:44,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-19 23:17:44,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-19 23:17:44,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-19 23:17:44,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-19 23:17:44,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-02-19 23:17:44,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 23:17:44,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-19 23:17:44,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-19 23:17:44,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-19 23:17:44,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-02-19 23:17:44,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-02-19 23:17:44,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-02-19 23:17:44,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-02-19 23:17:44,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-19 23:17:44,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-02-19 23:17:44,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-02-19 23:17:44,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-19 23:17:44,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-02-19 23:17:44,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-02-19 23:17:44,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-02-19 23:17:44,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-02-19 23:17:44,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-02-19 23:17:44,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-02-19 23:17:44,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-02-19 23:17:44,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-02-19 23:17:44,704 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2021-02-19 23:17:44,705 INFO L428 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 23:17:44,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 23:17:44,705 INFO L82 PathProgramCache]: Analyzing trace with hash 1613770509, now seen corresponding path program 27 times [2021-02-19 23:17:44,705 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 23:17:44,705 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1874147648] [2021-02-19 23:17:44,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 23:17:44,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:17:46,185 INFO L134 CoverageAnalysis]: Checked inductivity of 765 backedges. 0 proven. 765 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 23:17:46,186 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1874147648] [2021-02-19 23:17:46,186 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [340845050] [2021-02-19 23:17:46,186 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 23:17:46,249 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 16 check-sat command(s) [2021-02-19 23:17:46,250 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-19 23:17:46,252 INFO L263 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 64 conjunts are in the unsatisfiable core [2021-02-19 23:17:46,254 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 23:17:49,356 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 23:17:49,357 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2021-02-19 23:17:49,360 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-19 23:17:49,371 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:17:49,375 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-02-19 23:17:49,375 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:23, output treesize:3 [2021-02-19 23:17:49,530 INFO L134 CoverageAnalysis]: Checked inductivity of 765 backedges. 0 proven. 765 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 23:17:49,530 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 23:17:49,530 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33] total 49 [2021-02-19 23:17:49,530 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [692158826] [2021-02-19 23:17:49,531 INFO L460 AbstractCegarLoop]: Interpolant automaton has 50 states [2021-02-19 23:17:49,531 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 23:17:49,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2021-02-19 23:17:49,531 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=2337, Unknown=0, NotChecked=0, Total=2450 [2021-02-19 23:17:49,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 23:17:49,531 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 23:17:49,531 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 50 states, 50 states have (on average 3.76) internal successors, (188), 49 states have internal predecessors, (188), 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) [2021-02-19 23:17:49,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-19 23:17:49,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:17:49,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:17:49,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-19 23:17:49,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-02-19 23:17:49,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-02-19 23:17:49,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-02-19 23:17:49,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-02-19 23:17:49,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 23:17:49,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-02-19 23:17:49,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-02-19 23:17:49,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-19 23:17:49,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-02-19 23:17:49,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-02-19 23:17:49,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-02-19 23:17:49,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-02-19 23:17:49,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-19 23:17:49,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-02-19 23:17:49,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-02-19 23:17:49,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-19 23:17:49,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-02-19 23:17:49,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-02-19 23:17:49,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-02-19 23:17:49,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-02-19 23:17:49,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-02-19 23:17:49,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-02-19 23:17:49,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-02-19 23:17:49,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-02-19 23:17:49,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 23:17:54,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-19 23:17:54,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:17:54,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:17:54,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-19 23:17:54,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-19 23:17:54,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-19 23:17:54,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-19 23:17:54,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-02-19 23:17:54,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 23:17:54,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-19 23:17:54,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-19 23:17:54,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-19 23:17:54,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-02-19 23:17:54,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-02-19 23:17:54,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-02-19 23:17:54,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-02-19 23:17:54,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-19 23:17:54,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-02-19 23:17:54,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-02-19 23:17:54,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-19 23:17:54,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-02-19 23:17:54,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-02-19 23:17:54,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-02-19 23:17:54,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-02-19 23:17:54,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-02-19 23:17:54,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-02-19 23:17:54,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-02-19 23:17:54,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-02-19 23:17:54,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-02-19 23:17:54,306 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,30 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 23:17:54,306 INFO L428 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 23:17:54,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 23:17:54,307 INFO L82 PathProgramCache]: Analyzing trace with hash 1044123792, now seen corresponding path program 28 times [2021-02-19 23:17:54,307 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 23:17:54,307 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253225695] [2021-02-19 23:17:54,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 23:17:54,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:18:09,502 INFO L134 CoverageAnalysis]: Checked inductivity of 826 backedges. 0 proven. 826 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 23:18:09,502 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1253225695] [2021-02-19 23:18:09,502 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [641666925] [2021-02-19 23:18:09,502 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 23:18:09,546 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-02-19 23:18:09,546 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-19 23:18:09,549 WARN L261 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 190 conjunts are in the unsatisfiable core [2021-02-19 23:18:09,551 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 23:18:24,268 INFO L354 Elim1Store]: treesize reduction 1260, result has 0.1 percent of original size [2021-02-19 23:18:24,269 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 15 select indices, 15 select index equivalence classes, 0 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 105 case distinctions, treesize of input 186 treesize of output 66 [2021-02-19 23:18:24,274 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-19 23:18:24,291 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:18:24,293 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-02-19 23:18:24,293 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:192, output treesize:13 [2021-02-19 23:18:25,637 INFO L134 CoverageAnalysis]: Checked inductivity of 826 backedges. 0 proven. 826 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 23:18:25,637 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 23:18:25,637 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [83, 68] total 117 [2021-02-19 23:18:25,637 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313424814] [2021-02-19 23:18:25,637 INFO L460 AbstractCegarLoop]: Interpolant automaton has 118 states [2021-02-19 23:18:25,637 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 23:18:25,638 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 118 interpolants. [2021-02-19 23:18:25,638 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=307, Invalid=13499, Unknown=0, NotChecked=0, Total=13806 [2021-02-19 23:18:25,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 23:18:25,639 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 23:18:25,639 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 118 states, 118 states have (on average 1.652542372881356) internal successors, (195), 117 states have internal predecessors, (195), 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) [2021-02-19 23:18:25,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-19 23:18:25,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:18:25,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:18:25,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-19 23:18:25,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-02-19 23:18:25,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-02-19 23:18:25,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-02-19 23:18:25,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-02-19 23:18:25,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 23:18:25,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-02-19 23:18:25,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-02-19 23:18:25,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-19 23:18:25,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-02-19 23:18:25,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-02-19 23:18:25,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-02-19 23:18:25,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-02-19 23:18:25,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-19 23:18:25,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-02-19 23:18:25,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-02-19 23:18:25,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-19 23:18:25,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-02-19 23:18:25,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-02-19 23:18:25,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-02-19 23:18:25,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-02-19 23:18:25,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-02-19 23:18:25,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-02-19 23:18:25,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-02-19 23:18:25,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-02-19 23:18:25,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-02-19 23:18:25,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 23:18:41,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-19 23:18:41,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:18:41,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:18:41,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-19 23:18:41,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-19 23:18:41,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-19 23:18:41,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-19 23:18:41,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-02-19 23:18:41,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 23:18:41,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-19 23:18:41,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-19 23:18:41,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-19 23:18:41,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-02-19 23:18:41,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-02-19 23:18:41,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-02-19 23:18:41,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-02-19 23:18:41,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-19 23:18:41,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-02-19 23:18:41,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-02-19 23:18:41,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-19 23:18:41,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-02-19 23:18:41,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-02-19 23:18:41,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-02-19 23:18:41,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-02-19 23:18:41,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-02-19 23:18:41,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-02-19 23:18:41,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-02-19 23:18:41,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-02-19 23:18:41,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-02-19 23:18:41,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-02-19 23:18:41,828 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,31 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 23:18:41,828 INFO L428 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 23:18:41,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 23:18:41,829 INFO L82 PathProgramCache]: Analyzing trace with hash -1415071007, now seen corresponding path program 29 times [2021-02-19 23:18:41,829 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 23:18:41,829 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1394911123] [2021-02-19 23:18:41,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 23:18:41,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:18:43,667 INFO L134 CoverageAnalysis]: Checked inductivity of 872 backedges. 0 proven. 872 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 23:18:43,667 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1394911123] [2021-02-19 23:18:43,668 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [70475044] [2021-02-19 23:18:43,668 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 23:18:43,725 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 17 check-sat command(s) [2021-02-19 23:18:43,725 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-19 23:18:43,727 INFO L263 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 66 conjunts are in the unsatisfiable core [2021-02-19 23:18:43,729 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 23:18:47,319 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 23:18:47,321 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-02-19 23:18:47,324 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-19 23:18:47,337 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:18:47,353 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-02-19 23:18:47,353 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:17, output treesize:3 [2021-02-19 23:18:47,543 INFO L134 CoverageAnalysis]: Checked inductivity of 872 backedges. 0 proven. 872 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 23:18:47,544 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 23:18:47,544 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 35] total 52 [2021-02-19 23:18:47,544 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1198385015] [2021-02-19 23:18:47,544 INFO L460 AbstractCegarLoop]: Interpolant automaton has 53 states [2021-02-19 23:18:47,544 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 23:18:47,545 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2021-02-19 23:18:47,546 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=2636, Unknown=0, NotChecked=0, Total=2756 [2021-02-19 23:18:47,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 23:18:47,546 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 23:18:47,546 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 53 states, 53 states have (on average 3.7547169811320753) internal successors, (199), 52 states have internal predecessors, (199), 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) [2021-02-19 23:18:47,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-19 23:18:47,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:18:47,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:18:47,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-19 23:18:47,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-02-19 23:18:47,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-02-19 23:18:47,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-02-19 23:18:47,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-02-19 23:18:47,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 23:18:47,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-02-19 23:18:47,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-02-19 23:18:47,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-19 23:18:47,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-02-19 23:18:47,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-02-19 23:18:47,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-02-19 23:18:47,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-02-19 23:18:47,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-19 23:18:47,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-02-19 23:18:47,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-02-19 23:18:47,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-19 23:18:47,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-02-19 23:18:47,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-02-19 23:18:47,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-02-19 23:18:47,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-02-19 23:18:47,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-02-19 23:18:47,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-02-19 23:18:47,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-02-19 23:18:47,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-02-19 23:18:47,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-02-19 23:18:47,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-02-19 23:18:47,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 23:18:53,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-19 23:18:53,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:18:53,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:18:53,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-19 23:18:53,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-19 23:18:53,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-19 23:18:53,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-19 23:18:53,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-02-19 23:18:53,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 23:18:53,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-19 23:18:53,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-19 23:18:53,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-19 23:18:53,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-02-19 23:18:53,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-02-19 23:18:53,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-02-19 23:18:53,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-02-19 23:18:53,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-19 23:18:53,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-02-19 23:18:53,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-02-19 23:18:53,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-19 23:18:53,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-02-19 23:18:53,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-02-19 23:18:53,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-02-19 23:18:53,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-02-19 23:18:53,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-02-19 23:18:53,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-02-19 23:18:53,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-02-19 23:18:53,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-02-19 23:18:53,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-02-19 23:18:53,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-02-19 23:18:53,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-02-19 23:18:53,302 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,32 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 23:18:53,302 INFO L428 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 23:18:53,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 23:18:53,302 INFO L82 PathProgramCache]: Analyzing trace with hash -1465806236, now seen corresponding path program 30 times [2021-02-19 23:18:53,302 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 23:18:53,302 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609622634] [2021-02-19 23:18:53,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 23:18:53,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:19:12,380 INFO L134 CoverageAnalysis]: Checked inductivity of 937 backedges. 0 proven. 937 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 23:19:12,381 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [609622634] [2021-02-19 23:19:12,381 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1657841749] [2021-02-19 23:19:12,381 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 33 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 33 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 23:19:12,453 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 18 check-sat command(s) [2021-02-19 23:19:12,454 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-19 23:19:12,457 WARN L261 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 204 conjunts are in the unsatisfiable core [2021-02-19 23:19:12,459 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 23:19:15,218 WARN L202 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 75 [2021-02-19 23:19:29,062 WARN L202 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-02-19 23:19:30,925 WARN L202 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-02-19 23:19:32,282 INFO L354 Elim1Store]: treesize reduction 1410, result has 0.1 percent of original size [2021-02-19 23:19:32,282 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 0 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 120 case distinctions, treesize of input 194 treesize of output 70 [2021-02-19 23:19:32,287 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-19 23:19:32,306 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:19:32,309 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-02-19 23:19:32,309 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:200, output treesize:13 [2021-02-19 23:19:34,408 INFO L134 CoverageAnalysis]: Checked inductivity of 937 backedges. 0 proven. 937 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 23:19:34,409 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 23:19:34,409 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [88, 73] total 126 [2021-02-19 23:19:34,409 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [480095600] [2021-02-19 23:19:34,409 INFO L460 AbstractCegarLoop]: Interpolant automaton has 127 states [2021-02-19 23:19:34,409 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 23:19:34,414 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 127 interpolants. [2021-02-19 23:19:34,414 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=332, Invalid=15670, Unknown=0, NotChecked=0, Total=16002 [2021-02-19 23:19:34,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 23:19:34,415 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 23:19:34,415 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 127 states, 127 states have (on average 1.6377952755905512) internal successors, (208), 126 states have internal predecessors, (208), 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) [2021-02-19 23:19:34,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-19 23:19:34,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:19:34,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:19:34,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-19 23:19:34,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-02-19 23:19:34,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-02-19 23:19:34,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-02-19 23:19:34,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-02-19 23:19:34,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 23:19:34,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-02-19 23:19:34,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-02-19 23:19:34,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-19 23:19:34,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-02-19 23:19:34,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-02-19 23:19:34,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-02-19 23:19:34,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-02-19 23:19:34,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-19 23:19:34,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-02-19 23:19:34,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-02-19 23:19:34,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-19 23:19:34,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-02-19 23:19:34,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-02-19 23:19:34,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-02-19 23:19:34,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-02-19 23:19:34,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-02-19 23:19:34,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-02-19 23:19:34,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-02-19 23:19:34,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-02-19 23:19:34,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-02-19 23:19:34,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-02-19 23:19:34,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-02-19 23:19:34,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 23:19:55,684 WARN L202 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-02-19 23:19:58,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-19 23:19:58,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:19:58,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:19:58,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-19 23:19:58,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-19 23:19:58,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-19 23:19:58,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-19 23:19:58,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-02-19 23:19:58,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 23:19:58,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-19 23:19:58,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-19 23:19:58,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-19 23:19:58,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-02-19 23:19:58,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-02-19 23:19:58,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-02-19 23:19:58,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-02-19 23:19:58,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-19 23:19:58,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-02-19 23:19:58,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-02-19 23:19:58,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-19 23:19:58,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-02-19 23:19:58,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-02-19 23:19:58,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-02-19 23:19:58,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-02-19 23:19:58,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-02-19 23:19:58,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-02-19 23:19:58,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-02-19 23:19:58,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-02-19 23:19:58,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-02-19 23:19:58,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-02-19 23:19:58,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-02-19 23:19:58,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-02-19 23:19:58,510 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2021-02-19 23:19:58,511 INFO L428 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 23:19:58,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 23:19:58,511 INFO L82 PathProgramCache]: Analyzing trace with hash -1025385741, now seen corresponding path program 31 times [2021-02-19 23:19:58,511 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 23:19:58,511 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1528481083] [2021-02-19 23:19:58,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 23:19:58,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:20:01,518 INFO L134 CoverageAnalysis]: Checked inductivity of 986 backedges. 0 proven. 986 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 23:20:01,518 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1528481083] [2021-02-19 23:20:01,518 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1580479006] [2021-02-19 23:20:01,518 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 34 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 34 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 23:20:01,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:20:01,570 INFO L263 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 70 conjunts are in the unsatisfiable core [2021-02-19 23:20:01,572 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 23:20:07,550 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 23:20:07,553 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-02-19 23:20:07,559 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-19 23:20:07,579 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:20:07,584 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-02-19 23:20:07,584 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:17, output treesize:3 [2021-02-19 23:20:07,868 INFO L134 CoverageAnalysis]: Checked inductivity of 986 backedges. 0 proven. 986 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 23:20:07,868 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 23:20:07,869 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 37] total 55 [2021-02-19 23:20:07,869 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676649527] [2021-02-19 23:20:07,869 INFO L460 AbstractCegarLoop]: Interpolant automaton has 56 states [2021-02-19 23:20:07,869 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 23:20:07,869 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2021-02-19 23:20:07,870 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=127, Invalid=2953, Unknown=0, NotChecked=0, Total=3080 [2021-02-19 23:20:07,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 23:20:07,870 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 23:20:07,870 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 56 states, 56 states have (on average 3.75) internal successors, (210), 55 states have internal predecessors, (210), 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) [2021-02-19 23:20:07,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-19 23:20:07,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:20:07,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:20:07,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-19 23:20:07,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-02-19 23:20:07,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-02-19 23:20:07,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-02-19 23:20:07,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-02-19 23:20:07,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 23:20:07,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-02-19 23:20:07,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-02-19 23:20:07,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-19 23:20:07,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-02-19 23:20:07,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-02-19 23:20:07,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-02-19 23:20:07,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-02-19 23:20:07,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-19 23:20:07,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-02-19 23:20:07,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-02-19 23:20:07,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-19 23:20:07,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-02-19 23:20:07,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-02-19 23:20:07,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-02-19 23:20:07,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-02-19 23:20:07,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-02-19 23:20:07,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-02-19 23:20:07,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-02-19 23:20:07,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-02-19 23:20:07,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-02-19 23:20:07,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-02-19 23:20:07,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-02-19 23:20:07,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-02-19 23:20:07,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 23:20:11,861 WARN L202 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-02-19 23:20:16,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-19 23:20:16,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:20:16,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:20:16,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-19 23:20:16,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-19 23:20:16,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-19 23:20:16,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-19 23:20:16,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-02-19 23:20:16,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 23:20:16,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-19 23:20:16,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-19 23:20:16,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-19 23:20:16,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-02-19 23:20:16,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-02-19 23:20:16,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-02-19 23:20:16,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-02-19 23:20:16,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-19 23:20:16,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-02-19 23:20:16,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-02-19 23:20:16,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-19 23:20:16,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-02-19 23:20:16,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-02-19 23:20:16,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-02-19 23:20:16,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-02-19 23:20:16,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-02-19 23:20:16,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-02-19 23:20:16,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-02-19 23:20:16,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-02-19 23:20:16,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-02-19 23:20:16,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-02-19 23:20:16,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-02-19 23:20:16,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-02-19 23:20:16,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-02-19 23:20:16,481 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,34 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 23:20:16,481 INFO L428 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 23:20:16,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 23:20:16,482 INFO L82 PathProgramCache]: Analyzing trace with hash 1456036214, now seen corresponding path program 32 times [2021-02-19 23:20:16,482 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 23:20:16,482 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1284440463] [2021-02-19 23:20:16,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 23:20:16,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:20:21,032 WARN L202 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2021-02-19 23:20:21,592 WARN L202 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2021-02-19 23:20:21,906 WARN L202 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2021-02-19 23:20:22,241 WARN L202 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-02-19 23:20:22,939 WARN L202 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-02-19 23:20:23,284 WARN L202 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2021-02-19 23:20:23,632 WARN L202 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-02-19 23:20:24,371 WARN L202 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-02-19 23:20:46,081 INFO L134 CoverageAnalysis]: Checked inductivity of 1055 backedges. 0 proven. 1055 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 23:20:46,082 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1284440463] [2021-02-19 23:20:46,082 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1061485089] [2021-02-19 23:20:46,082 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 35 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 35 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 23:20:46,139 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-02-19 23:20:46,139 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-19 23:20:46,142 WARN L261 TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 214 conjunts are in the unsatisfiable core [2021-02-19 23:20:46,144 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 23:20:48,977 WARN L202 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-02-19 23:20:49,710 WARN L202 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-02-19 23:20:50,747 WARN L202 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-02-19 23:20:51,427 WARN L202 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-02-19 23:20:52,096 WARN L202 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2021-02-19 23:20:52,809 WARN L202 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-02-19 23:20:53,515 WARN L202 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-02-19 23:20:54,205 WARN L202 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-02-19 23:20:54,919 WARN L202 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-02-19 23:20:55,645 WARN L202 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-02-19 23:20:56,365 WARN L202 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-02-19 23:20:57,093 WARN L202 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-02-19 23:20:57,860 WARN L202 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-02-19 23:20:58,610 WARN L202 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-02-19 23:20:59,378 WARN L202 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-02-19 23:21:00,151 WARN L202 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-02-19 23:21:00,966 WARN L202 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-02-19 23:21:01,810 WARN L202 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-02-19 23:21:02,669 WARN L202 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-02-19 23:21:03,506 WARN L202 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-02-19 23:21:04,361 WARN L202 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-02-19 23:21:05,215 WARN L202 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-02-19 23:21:06,134 WARN L202 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-02-19 23:21:07,015 WARN L202 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-02-19 23:21:07,934 WARN L202 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-02-19 23:21:08,846 WARN L202 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-02-19 23:21:09,790 WARN L202 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-02-19 23:21:10,759 WARN L202 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-02-19 23:21:11,792 WARN L202 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-02-19 23:21:13,122 WARN L202 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-02-19 23:21:13,922 WARN L202 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-02-19 23:21:14,723 WARN L202 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-02-19 23:21:15,537 WARN L202 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2021-02-19 23:21:15,602 INFO L354 Elim1Store]: treesize reduction 1632, result has 0.1 percent of original size [2021-02-19 23:21:15,602 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 17 select indices, 17 select index equivalence classes, 0 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 136 case distinctions, treesize of input 210 treesize of output 74 [2021-02-19 23:21:15,609 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-19 23:21:15,632 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:21:15,635 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-02-19 23:21:15,635 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:216, output treesize:13 [2021-02-19 23:21:18,115 INFO L134 CoverageAnalysis]: Checked inductivity of 1055 backedges. 0 proven. 1055 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 23:21:18,115 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 23:21:18,115 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [93, 76] total 131 [2021-02-19 23:21:18,115 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2107656226] [2021-02-19 23:21:18,115 INFO L460 AbstractCegarLoop]: Interpolant automaton has 132 states [2021-02-19 23:21:18,115 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 23:21:18,116 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 132 interpolants. [2021-02-19 23:21:18,116 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=343, Invalid=16949, Unknown=0, NotChecked=0, Total=17292 [2021-02-19 23:21:18,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 23:21:18,116 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 23:21:18,117 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 132 states, 132 states have (on average 1.643939393939394) internal successors, (217), 131 states have internal predecessors, (217), 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) [2021-02-19 23:21:18,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-19 23:21:18,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:21:18,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:21:18,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-19 23:21:18,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-02-19 23:21:18,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-02-19 23:21:18,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-02-19 23:21:18,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-02-19 23:21:18,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 23:21:18,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-02-19 23:21:18,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-02-19 23:21:18,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-19 23:21:18,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-02-19 23:21:18,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-02-19 23:21:18,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-02-19 23:21:18,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-02-19 23:21:18,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-19 23:21:18,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-02-19 23:21:18,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-02-19 23:21:18,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-19 23:21:18,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-02-19 23:21:18,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-02-19 23:21:18,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-02-19 23:21:18,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-02-19 23:21:18,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-02-19 23:21:18,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-02-19 23:21:18,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-02-19 23:21:18,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-02-19 23:21:18,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-02-19 23:21:18,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-02-19 23:21:18,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-02-19 23:21:18,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-02-19 23:21:18,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-02-19 23:21:18,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 23:21:45,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-19 23:21:45,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:21:45,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:21:45,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-19 23:21:45,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-19 23:21:45,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-19 23:21:45,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-19 23:21:45,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-02-19 23:21:45,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 23:21:45,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-19 23:21:45,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-19 23:21:45,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-19 23:21:45,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-02-19 23:21:45,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-02-19 23:21:45,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-02-19 23:21:45,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-02-19 23:21:45,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-19 23:21:45,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-02-19 23:21:45,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-02-19 23:21:45,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-19 23:21:45,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-02-19 23:21:45,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-02-19 23:21:45,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-02-19 23:21:45,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-02-19 23:21:45,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-02-19 23:21:45,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-02-19 23:21:45,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-02-19 23:21:45,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-02-19 23:21:45,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-02-19 23:21:45,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-02-19 23:21:45,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-02-19 23:21:45,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-02-19 23:21:45,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-02-19 23:21:45,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-02-19 23:21:45,482 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2021-02-19 23:21:45,482 INFO L428 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 23:21:45,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 23:21:45,482 INFO L82 PathProgramCache]: Analyzing trace with hash -1880088057, now seen corresponding path program 33 times [2021-02-19 23:21:45,483 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 23:21:45,483 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500124458] [2021-02-19 23:21:45,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 23:21:45,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:21:48,700 INFO L134 CoverageAnalysis]: Checked inductivity of 1107 backedges. 0 proven. 1107 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 23:21:48,700 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [500124458] [2021-02-19 23:21:48,700 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1256957739] [2021-02-19 23:21:48,701 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 36 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 36 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 23:21:48,759 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 19 check-sat command(s) [2021-02-19 23:21:48,759 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-19 23:21:48,761 INFO L263 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 74 conjunts are in the unsatisfiable core [2021-02-19 23:21:48,762 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 23:21:55,301 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 23:21:55,303 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-02-19 23:21:55,309 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-19 23:21:55,330 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:21:55,335 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-02-19 23:21:55,335 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:17, output treesize:3 [2021-02-19 23:21:55,608 INFO L134 CoverageAnalysis]: Checked inductivity of 1107 backedges. 0 proven. 1107 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 23:21:55,609 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 23:21:55,609 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 39] total 58 [2021-02-19 23:21:55,609 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [476228315] [2021-02-19 23:21:55,609 INFO L460 AbstractCegarLoop]: Interpolant automaton has 59 states [2021-02-19 23:21:55,609 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 23:21:55,610 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 59 interpolants. [2021-02-19 23:21:55,610 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=134, Invalid=3288, Unknown=0, NotChecked=0, Total=3422 [2021-02-19 23:21:55,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 23:21:55,610 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 23:21:55,610 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 59 states, 59 states have (on average 3.7457627118644066) internal successors, (221), 58 states have internal predecessors, (221), 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) [2021-02-19 23:21:55,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-19 23:21:55,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:21:55,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:21:55,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-19 23:21:55,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-02-19 23:21:55,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-02-19 23:21:55,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-02-19 23:21:55,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-02-19 23:21:55,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 23:21:55,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-02-19 23:21:55,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-02-19 23:21:55,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-19 23:21:55,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-02-19 23:21:55,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-02-19 23:21:55,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-02-19 23:21:55,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-02-19 23:21:55,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-19 23:21:55,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-02-19 23:21:55,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-02-19 23:21:55,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-19 23:21:55,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-02-19 23:21:55,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-02-19 23:21:55,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-02-19 23:21:55,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-02-19 23:21:55,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-02-19 23:21:55,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-02-19 23:21:55,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-02-19 23:21:55,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-02-19 23:21:55,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-02-19 23:21:55,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-02-19 23:21:55,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-02-19 23:21:55,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-02-19 23:21:55,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-02-19 23:21:55,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-02-19 23:21:55,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 23:21:59,533 WARN L202 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-02-19 23:22:00,512 WARN L202 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-02-19 23:22:04,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-19 23:22:04,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:22:04,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:22:04,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-19 23:22:04,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-19 23:22:04,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-19 23:22:04,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-19 23:22:04,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-02-19 23:22:04,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 23:22:04,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-19 23:22:04,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-19 23:22:04,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-19 23:22:04,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-02-19 23:22:04,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-02-19 23:22:04,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-02-19 23:22:04,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-02-19 23:22:04,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-19 23:22:04,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-02-19 23:22:04,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-02-19 23:22:04,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-19 23:22:04,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-02-19 23:22:04,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-02-19 23:22:04,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-02-19 23:22:04,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-02-19 23:22:04,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-02-19 23:22:04,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-02-19 23:22:04,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-02-19 23:22:04,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-02-19 23:22:04,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-02-19 23:22:04,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-02-19 23:22:04,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-02-19 23:22:04,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-02-19 23:22:04,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-02-19 23:22:04,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-02-19 23:22:04,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-02-19 23:22:04,750 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35,36 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 23:22:04,750 INFO L428 AbstractCegarLoop]: === Iteration 36 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 23:22:04,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 23:22:04,750 INFO L82 PathProgramCache]: Analyzing trace with hash -696912246, now seen corresponding path program 34 times [2021-02-19 23:22:04,750 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 23:22:04,750 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [358547460] [2021-02-19 23:22:04,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 23:22:04,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:22:09,453 WARN L202 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2021-02-19 23:22:09,747 WARN L202 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2021-02-19 23:22:10,047 WARN L202 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2021-02-19 23:22:10,346 WARN L202 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2021-02-19 23:22:10,690 WARN L202 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-02-19 23:22:11,027 WARN L202 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-02-19 23:22:11,402 WARN L202 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-02-19 23:22:11,778 WARN L202 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2021-02-19 23:22:12,136 WARN L202 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-02-19 23:22:12,506 WARN L202 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-02-19 23:22:12,946 WARN L202 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-02-19 23:22:15,282 WARN L202 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-02-19 23:22:16,112 WARN L202 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2021-02-19 23:22:16,548 WARN L202 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-02-19 23:22:37,849 INFO L134 CoverageAnalysis]: Checked inductivity of 1180 backedges. 0 proven. 1180 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 23:22:37,850 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [358547460] [2021-02-19 23:22:37,850 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [418308963] [2021-02-19 23:22:37,850 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 37 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 37 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 23:22:37,899 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-02-19 23:22:37,899 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-19 23:22:37,902 WARN L261 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 226 conjunts are in the unsatisfiable core [2021-02-19 23:22:37,904 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 23:22:40,845 WARN L202 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-02-19 23:22:41,551 WARN L202 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-02-19 23:22:42,580 WARN L202 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-02-19 23:22:43,279 WARN L202 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-02-19 23:22:43,951 WARN L202 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-02-19 23:22:44,636 WARN L202 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-02-19 23:22:45,305 WARN L202 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-02-19 23:22:45,997 WARN L202 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-02-19 23:22:46,706 WARN L202 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-02-19 23:22:47,409 WARN L202 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-02-19 23:22:48,129 WARN L202 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-02-19 23:22:48,849 WARN L202 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-02-19 23:22:49,593 WARN L202 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-02-19 23:22:50,323 WARN L202 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-02-19 23:22:51,080 WARN L202 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-02-19 23:22:51,850 WARN L202 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-02-19 23:22:52,643 WARN L202 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-02-19 23:22:53,434 WARN L202 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-02-19 23:22:54,241 WARN L202 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-02-19 23:22:55,036 WARN L202 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-02-19 23:22:55,886 WARN L202 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-02-19 23:22:56,701 WARN L202 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-02-19 23:22:57,547 WARN L202 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-02-19 23:22:58,395 WARN L202 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-02-19 23:22:59,263 WARN L202 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-02-19 23:23:00,103 WARN L202 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-02-19 23:23:01,013 WARN L202 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-02-19 23:23:01,922 WARN L202 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-02-19 23:23:02,868 WARN L202 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-02-19 23:23:03,798 WARN L202 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-02-19 23:23:04,836 WARN L202 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-02-19 23:23:05,854 WARN L202 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-02-19 23:23:06,971 WARN L202 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-02-19 23:23:08,041 WARN L202 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-02-19 23:23:09,118 WARN L202 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-02-19 23:23:10,249 WARN L202 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-02-19 23:23:10,336 INFO L354 Elim1Store]: treesize reduction 1836, result has 0.1 percent of original size [2021-02-19 23:23:10,336 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 0 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 153 case distinctions, treesize of input 222 treesize of output 78 [2021-02-19 23:23:10,347 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-19 23:23:10,380 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:23:10,384 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-02-19 23:23:10,384 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:228, output treesize:13 [2021-02-19 23:23:13,699 INFO L134 CoverageAnalysis]: Checked inductivity of 1180 backedges. 0 proven. 1180 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 23:23:13,699 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 23:23:13,699 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [98, 80] total 138 [2021-02-19 23:23:13,700 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1169042256] [2021-02-19 23:23:13,700 INFO L460 AbstractCegarLoop]: Interpolant automaton has 139 states [2021-02-19 23:23:13,700 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 23:23:13,700 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 139 interpolants. [2021-02-19 23:23:13,701 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=361, Invalid=18821, Unknown=0, NotChecked=0, Total=19182 [2021-02-19 23:23:13,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 23:23:13,701 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 23:23:13,701 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 139 states, 139 states have (on average 1.6402877697841727) internal successors, (228), 138 states have internal predecessors, (228), 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) [2021-02-19 23:23:13,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-19 23:23:13,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:23:13,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:23:13,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-19 23:23:13,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-02-19 23:23:13,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-02-19 23:23:13,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-02-19 23:23:13,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-02-19 23:23:13,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 23:23:13,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-02-19 23:23:13,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-02-19 23:23:13,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-19 23:23:13,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-02-19 23:23:13,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-02-19 23:23:13,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-02-19 23:23:13,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-02-19 23:23:13,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-19 23:23:13,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-02-19 23:23:13,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-02-19 23:23:13,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-19 23:23:13,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-02-19 23:23:13,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-02-19 23:23:13,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-02-19 23:23:13,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-02-19 23:23:13,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-02-19 23:23:13,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-02-19 23:23:13,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-02-19 23:23:13,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-02-19 23:23:13,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-02-19 23:23:13,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-02-19 23:23:13,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-02-19 23:23:13,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-02-19 23:23:13,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-02-19 23:23:13,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-02-19 23:23:13,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-02-19 23:23:13,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 23:23:42,992 WARN L202 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-02-19 23:23:45,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-19 23:23:45,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:23:45,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:23:45,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-19 23:23:45,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-19 23:23:45,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-19 23:23:45,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-19 23:23:45,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-02-19 23:23:45,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 23:23:45,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-19 23:23:45,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-19 23:23:45,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-19 23:23:45,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-02-19 23:23:45,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-02-19 23:23:45,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-02-19 23:23:45,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-02-19 23:23:45,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-19 23:23:45,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-02-19 23:23:45,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-02-19 23:23:45,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-19 23:23:45,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-02-19 23:23:45,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-02-19 23:23:45,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-02-19 23:23:45,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-02-19 23:23:45,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-02-19 23:23:45,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-02-19 23:23:45,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-02-19 23:23:45,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-02-19 23:23:45,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-02-19 23:23:45,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-02-19 23:23:45,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-02-19 23:23:45,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-02-19 23:23:45,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-02-19 23:23:45,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-02-19 23:23:45,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-02-19 23:23:45,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-02-19 23:23:46,176 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2021-02-19 23:23:46,176 INFO L428 AbstractCegarLoop]: === Iteration 37 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 23:23:46,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 23:23:46,176 INFO L82 PathProgramCache]: Analyzing trace with hash -399992615, now seen corresponding path program 35 times [2021-02-19 23:23:46,177 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 23:23:46,177 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [311597734] [2021-02-19 23:23:46,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 23:23:46,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:23:50,964 INFO L134 CoverageAnalysis]: Checked inductivity of 1235 backedges. 0 proven. 1235 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 23:23:50,964 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [311597734] [2021-02-19 23:23:50,964 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [501404060] [2021-02-19 23:23:50,964 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 38 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 38 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 23:23:51,024 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 20 check-sat command(s) [2021-02-19 23:23:51,024 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-19 23:23:51,026 INFO L263 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 78 conjunts are in the unsatisfiable core [2021-02-19 23:23:51,028 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 23:24:00,838 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 23:24:00,840 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-02-19 23:24:00,848 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-19 23:24:00,876 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 23:24:00,882 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-02-19 23:24:00,882 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:17, output treesize:3 [2021-02-19 23:24:01,304 INFO L134 CoverageAnalysis]: Checked inductivity of 1235 backedges. 0 proven. 1235 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 23:24:01,305 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 23:24:01,305 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41, 41] total 61 [2021-02-19 23:24:01,305 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1870347168] [2021-02-19 23:24:01,306 INFO L460 AbstractCegarLoop]: Interpolant automaton has 62 states [2021-02-19 23:24:01,306 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 23:24:01,306 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2021-02-19 23:24:01,306 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=141, Invalid=3641, Unknown=0, NotChecked=0, Total=3782 [2021-02-19 23:24:01,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 23:24:01,307 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 23:24:01,307 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 62 states, 62 states have (on average 3.7419354838709675) internal successors, (232), 61 states have internal predecessors, (232), 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) [2021-02-19 23:24:01,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-19 23:24:01,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:24:01,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:24:01,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-19 23:24:01,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-02-19 23:24:01,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-02-19 23:24:01,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-02-19 23:24:01,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-02-19 23:24:01,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 23:24:01,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-02-19 23:24:01,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-02-19 23:24:01,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-19 23:24:01,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-02-19 23:24:01,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-02-19 23:24:01,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-02-19 23:24:01,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-02-19 23:24:01,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-19 23:24:01,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-02-19 23:24:01,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-02-19 23:24:01,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-19 23:24:01,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-02-19 23:24:01,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-02-19 23:24:01,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-02-19 23:24:01,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-02-19 23:24:01,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-02-19 23:24:01,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-02-19 23:24:01,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-02-19 23:24:01,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-02-19 23:24:01,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-02-19 23:24:01,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-02-19 23:24:01,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-02-19 23:24:01,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-02-19 23:24:01,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-02-19 23:24:01,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-02-19 23:24:01,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-02-19 23:24:01,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-02-19 23:24:01,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 23:24:06,071 WARN L202 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-02-19 23:24:06,436 WARN L202 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-02-19 23:24:06,786 WARN L202 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-02-19 23:24:07,145 WARN L202 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-02-19 23:24:07,507 WARN L202 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-02-19 23:24:07,865 WARN L202 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-02-19 23:24:08,224 WARN L202 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2021-02-19 23:24:08,539 WARN L202 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-02-19 23:24:08,937 WARN L202 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-02-19 23:24:09,490 WARN L202 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-02-19 23:24:09,765 WARN L202 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-02-19 23:24:10,052 WARN L202 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-02-19 23:24:10,354 WARN L202 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-02-19 23:24:10,660 WARN L202 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-02-19 23:24:14,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-19 23:24:14,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:24:14,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 23:24:14,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-19 23:24:14,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-19 23:24:14,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-19 23:24:14,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-19 23:24:14,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-02-19 23:24:14,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 23:24:14,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-19 23:24:14,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-19 23:24:14,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-19 23:24:14,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-02-19 23:24:14,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-02-19 23:24:14,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-02-19 23:24:14,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-02-19 23:24:14,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-19 23:24:14,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-02-19 23:24:14,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-02-19 23:24:14,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-19 23:24:14,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-02-19 23:24:14,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-02-19 23:24:14,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-02-19 23:24:14,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-02-19 23:24:14,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-02-19 23:24:14,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-02-19 23:24:14,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-02-19 23:24:14,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-02-19 23:24:14,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-02-19 23:24:14,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-02-19 23:24:14,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-02-19 23:24:14,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-02-19 23:24:14,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-02-19 23:24:14,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-02-19 23:24:14,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-02-19 23:24:14,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-02-19 23:24:14,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-02-19 23:24:14,930 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2021-02-19 23:24:14,930 INFO L428 AbstractCegarLoop]: === Iteration 38 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 23:24:14,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 23:24:14,931 INFO L82 PathProgramCache]: Analyzing trace with hash -585976740, now seen corresponding path program 36 times [2021-02-19 23:24:14,931 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 23:24:14,931 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1565926358] [2021-02-19 23:24:14,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 23:24:14,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 23:24:18,452 WARN L202 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2021-02-19 23:24:18,952 WARN L202 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-02-19 23:24:19,232 WARN L202 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-02-19 23:24:19,535 WARN L202 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-02-19 23:24:19,814 WARN L202 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-02-19 23:24:20,145 WARN L202 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2021-02-19 23:24:20,512 WARN L202 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2021-02-19 23:24:20,873 WARN L202 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2021-02-19 23:24:21,244 WARN L202 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2021-02-19 23:24:21,631 WARN L202 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2021-02-19 23:24:22,029 WARN L202 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2021-02-19 23:24:22,437 WARN L202 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2021-02-19 23:24:22,836 WARN L202 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2021-02-19 23:24:23,275 WARN L202 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-02-19 23:24:23,721 WARN L202 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-02-19 23:24:24,211 WARN L202 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-02-19 23:24:24,704 WARN L202 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-02-19 23:24:25,168 WARN L202 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-02-19 23:24:25,686 WARN L202 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-02-19 23:24:26,217 WARN L202 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-02-19 23:24:26,769 WARN L202 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-02-19 23:24:27,329 WARN L202 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-02-19 23:24:27,874 WARN L202 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-02-19 23:24:28,421 WARN L202 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2021-02-19 23:24:28,989 WARN L202 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-02-19 23:24:29,548 WARN L202 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-02-19 23:24:30,117 WARN L202 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2021-02-19 23:24:30,713 WARN L202 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-02-19 23:24:31,330 WARN L202 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2021-02-19 23:24:31,951 WARN L202 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2021-02-19 23:24:32,574 WARN L202 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-02-19 23:24:33,182 WARN L202 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2021-02-19 23:24:33,783 WARN L202 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2021-02-19 23:24:34,313 WARN L202 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-02-19 23:24:34,856 WARN L202 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-02-19 23:24:35,446 WARN L202 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-02-19 23:24:36,079 WARN L202 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-02-19 23:24:36,674 WARN L202 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-02-19 23:24:37,293 WARN L202 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-02-19 23:24:37,900 WARN L202 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-02-19 23:24:39,146 WARN L202 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 53 Received shutdown request... [2021-02-19 23:24:39,225 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2021-02-19 23:24:39,226 WARN L545 AbstractCegarLoop]: Verification canceled [2021-02-19 23:24:39,229 WARN L224 ceAbstractionStarter]: Timeout [2021-02-19 23:24:39,229 INFO L202 PluginConnector]: Adding new model queue-add-2-yrY.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.02 11:24:39 BasicIcfg [2021-02-19 23:24:39,229 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-19 23:24:39,230 INFO L168 Benchmark]: Toolchain (without parser) took 548887.99 ms. Allocated memory was 255.9 MB in the beginning and 465.6 MB in the end (delta: 209.7 MB). Free memory was 236.2 MB in the beginning and 269.8 MB in the end (delta: -33.5 MB). Peak memory consumption was 178.0 MB. Max. memory is 16.0 GB. [2021-02-19 23:24:39,230 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.25 ms. Allocated memory is still 255.9 MB. Free memory is still 237.4 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-02-19 23:24:39,230 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.36 ms. Allocated memory is still 255.9 MB. Free memory was 235.7 MB in the beginning and 234.2 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-02-19 23:24:39,230 INFO L168 Benchmark]: Boogie Preprocessor took 21.01 ms. Allocated memory is still 255.9 MB. Free memory was 234.2 MB in the beginning and 233.4 MB in the end (delta: 812.7 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-02-19 23:24:39,230 INFO L168 Benchmark]: RCFGBuilder took 363.30 ms. Allocated memory is still 255.9 MB. Free memory was 233.2 MB in the beginning and 237.4 MB in the end (delta: -4.1 MB). Peak memory consumption was 19.9 MB. Max. memory is 16.0 GB. [2021-02-19 23:24:39,230 INFO L168 Benchmark]: TraceAbstraction took 548458.84 ms. Allocated memory was 255.9 MB in the beginning and 465.6 MB in the end (delta: 209.7 MB). Free memory was 236.7 MB in the beginning and 269.8 MB in the end (delta: -33.0 MB). Peak memory consumption was 177.0 MB. Max. memory is 16.0 GB. [2021-02-19 23:24:39,230 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 0.25 ms. Allocated memory is still 255.9 MB. Free memory is still 237.4 MB. There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 35.36 ms. Allocated memory is still 255.9 MB. Free memory was 235.7 MB in the beginning and 234.2 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 21.01 ms. Allocated memory is still 255.9 MB. Free memory was 234.2 MB in the beginning and 233.4 MB in the end (delta: 812.7 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 363.30 ms. Allocated memory is still 255.9 MB. Free memory was 233.2 MB in the beginning and 237.4 MB in the end (delta: -4.1 MB). Peak memory consumption was 19.9 MB. Max. memory is 16.0 GB. * TraceAbstraction took 548458.84 ms. Allocated memory was 255.9 MB in the beginning and 465.6 MB in the end (delta: 209.7 MB). Free memory was 236.7 MB in the beginning and 269.8 MB in the end (delta: -33.0 MB). Peak memory consumption was 177.0 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 59]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 59). Cancelled while PartialOrderCegarLoop was analyzing trace of length 153 with TraceHistMax 20,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PredicateComparison was comparing new predicate (quantifier-free) to 67 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 25 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 548.3s, OverallIterations: 38, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, 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: 0.2s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 330.5s InterpolantComputationTime, 6033 NumberOfCodeBlocks, 6033 NumberOfCodeBlocksAsserted, 259 NumberOfCheckSat, 5960 ConstructedInterpolants, 855 QuantifiedInterpolants, 23681123 SizeOfPredicates, 315 NumberOfNonLiveVariables, 6793 ConjunctsInSsa, 2836 ConjunctsInUnsatCore, 73 InterpolantComputations, 1 PerfectInterpolantSequences, 0/30924 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