/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-New_States.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/figure3.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a865e3bea3ade1065a4c95009cfa501fe03c5538-a865e3b [2021-02-20 00:26:52,307 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-20 00:26:52,309 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-20 00:26:52,342 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-20 00:26:52,343 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-20 00:26:52,346 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-20 00:26:52,348 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-20 00:26:52,354 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-20 00:26:52,356 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-20 00:26:52,361 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-20 00:26:52,362 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-20 00:26:52,363 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-20 00:26:52,363 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-20 00:26:52,365 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-20 00:26:52,366 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-20 00:26:52,367 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-20 00:26:52,370 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-20 00:26:52,371 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-20 00:26:52,373 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-20 00:26:52,378 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-20 00:26:52,379 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-20 00:26:52,380 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-20 00:26:52,381 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-20 00:26:52,383 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-20 00:26:52,389 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-02-20 00:26:52,390 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-02-20 00:26:52,390 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-02-20 00:26:52,391 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-02-20 00:26:52,391 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-02-20 00:26:52,392 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-02-20 00:26:52,392 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-02-20 00:26:52,393 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-02-20 00:26:52,395 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-02-20 00:26:52,395 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-02-20 00:26:52,396 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-02-20 00:26:52,396 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-02-20 00:26:52,397 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-02-20 00:26:52,397 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-02-20 00:26:52,397 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-20 00:26:52,398 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-20 00:26:52,398 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-20 00:26:52,399 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-New_States.epf [2021-02-20 00:26:52,439 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-20 00:26:52,440 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-20 00:26:52,440 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-02-20 00:26:52,440 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-02-20 00:26:52,443 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-02-20 00:26:52,443 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-02-20 00:26:52,444 INFO L138 SettingsManager]: * Use SBE=true [2021-02-20 00:26:52,444 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-20 00:26:52,444 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-20 00:26:52,444 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-20 00:26:52,445 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-20 00:26:52,445 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-20 00:26:52,445 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-20 00:26:52,445 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-20 00:26:52,445 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-20 00:26:52,446 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-20 00:26:52,446 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-20 00:26:52,446 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-20 00:26:52,446 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-20 00:26:52,446 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-20 00:26:52,446 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-02-20 00:26:52,446 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-20 00:26:52,446 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-20 00:26:52,447 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-20 00:26:52,447 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-20 00:26:52,447 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-02-20 00:26:52,447 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-02-20 00:26:52,447 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-02-20 00:26:52,447 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-02-20 00:26:52,447 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-02-20 00:26:52,448 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-02-20 00:26:52,448 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-20 00:26:52,448 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-02-20 00:26:52,448 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-20 00:26:52,740 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-20 00:26:52,766 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-20 00:26:52,768 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-20 00:26:52,769 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-02-20 00:26:52,770 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-02-20 00:26:52,771 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/figure3.wvr.bpl [2021-02-20 00:26:52,771 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/figure3.wvr.bpl' [2021-02-20 00:26:52,791 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-20 00:26:52,795 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-20 00:26:52,796 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-02-20 00:26:52,796 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-02-20 00:26:52,796 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-02-20 00:26:52,806 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "figure3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 12:26:52" (1/1) ... [2021-02-20 00:26:52,812 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "figure3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 12:26:52" (1/1) ... [2021-02-20 00:26:52,817 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-02-20 00:26:52,819 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-20 00:26:52,819 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-20 00:26:52,819 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-20 00:26:52,825 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "figure3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 12:26:52" (1/1) ... [2021-02-20 00:26:52,825 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "figure3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 12:26:52" (1/1) ... [2021-02-20 00:26:52,826 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "figure3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 12:26:52" (1/1) ... [2021-02-20 00:26:52,826 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "figure3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 12:26:52" (1/1) ... [2021-02-20 00:26:52,827 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "figure3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 12:26:52" (1/1) ... [2021-02-20 00:26:52,830 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "figure3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 12:26:52" (1/1) ... [2021-02-20 00:26:52,830 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "figure3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 12:26:52" (1/1) ... [2021-02-20 00:26:52,831 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-20 00:26:52,832 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-20 00:26:52,832 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-20 00:26:52,832 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-20 00:26:52,833 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "figure3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 12:26:52" (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 [2021-02-20 00:26:52,898 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-02-20 00:26:52,898 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-02-20 00:26:52,899 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-02-20 00:26:52,899 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-02-20 00:26:52,899 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-02-20 00:26:52,899 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-02-20 00:26:52,899 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-02-20 00:26:52,899 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-20 00:26:52,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-20 00:26:52,900 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-02-20 00:26:53,097 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-20 00:26:53,098 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-02-20 00:26:53,099 INFO L202 PluginConnector]: Adding new model figure3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 12:26:53 BoogieIcfgContainer [2021-02-20 00:26:53,099 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-20 00:26:53,100 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-20 00:26:53,100 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-20 00:26:53,103 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-20 00:26:53,103 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "figure3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 12:26:52" (1/2) ... [2021-02-20 00:26:53,103 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a623787 and model type figure3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 12:26:53, skipping insertion in model container [2021-02-20 00:26:53,103 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "figure3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 12:26:53" (2/2) ... [2021-02-20 00:26:53,104 INFO L111 eAbstractionObserver]: Analyzing ICFG figure3.wvr.bpl [2021-02-20 00:26:53,109 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-02-20 00:26:53,109 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-02-20 00:26:53,112 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-20 00:26:53,113 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-02-20 00:26:53,134 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-02-20 00:26:53,147 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 [2021-02-20 00:26:53,169 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-20 00:26:53,170 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-20 00:26:53,170 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-02-20 00:26:53,170 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-20 00:26:53,170 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-20 00:26:53,170 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-20 00:26:53,170 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-20 00:26:53,170 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-20 00:26:53,249 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-20 00:26:53,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-20 00:26:53,253 INFO L82 PathProgramCache]: Analyzing trace with hash -1829606569, now seen corresponding path program 1 times [2021-02-20 00:26:53,259 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-20 00:26:53,260 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171886401] [2021-02-20 00:26:53,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-20 00:26:53,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:26:53,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:26:53,439 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1171886401] [2021-02-20 00:26:53,440 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-20 00:26:53,440 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-02-20 00:26:53,440 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145038723] [2021-02-20 00:26:53,445 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-02-20 00:26:53,445 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-20 00:26:53,461 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-02-20 00:26:53,465 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-02-20 00:26:53,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:26:53,467 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-20 00:26:53,469 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) [2021-02-20 00:26:53,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:26:53,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:26:53,536 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-20 00:26:53,536 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-20 00:26:53,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-20 00:26:53,536 INFO L82 PathProgramCache]: Analyzing trace with hash 1059156761, now seen corresponding path program 1 times [2021-02-20 00:26:53,537 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-20 00:26:53,537 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1230749038] [2021-02-20 00:26:53,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-20 00:26:53,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:26:53,638 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:26:53,639 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1230749038] [2021-02-20 00:26:53,639 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [189324333] [2021-02-20 00:26:53,639 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 [2021-02-20 00:26:53,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:26:53,683 INFO L263 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 5 conjunts are in the unsatisfiable core [2021-02-20 00:26:53,688 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-20 00:26:53,820 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:26:53,821 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-20 00:26:53,821 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2021-02-20 00:26:53,822 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948172873] [2021-02-20 00:26:53,822 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-02-20 00:26:53,823 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-20 00:26:53,823 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-02-20 00:26:53,823 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-02-20 00:26:53,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:26:53,824 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-20 00:26:53,824 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 2.8) internal successors, (28), 9 states have internal predecessors, (28), 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) [2021-02-20 00:26:53,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:26:53,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:26:53,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:26:53,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:26:54,217 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-20 00:26:54,217 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-20 00:26:54,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-20 00:26:54,218 INFO L82 PathProgramCache]: Analyzing trace with hash -382667431, now seen corresponding path program 1 times [2021-02-20 00:26:54,218 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-20 00:26:54,218 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374166616] [2021-02-20 00:26:54,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-20 00:26:54,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:26:54,317 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:26:54,318 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1374166616] [2021-02-20 00:26:54,318 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [912967510] [2021-02-20 00:26:54,318 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 [2021-02-20 00:26:54,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:26:54,349 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 7 conjunts are in the unsatisfiable core [2021-02-20 00:26:54,350 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-20 00:26:54,494 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:26:54,494 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-20 00:26:54,494 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 13 [2021-02-20 00:26:54,494 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [384713252] [2021-02-20 00:26:54,495 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-02-20 00:26:54,495 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-20 00:26:54,497 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-02-20 00:26:54,498 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2021-02-20 00:26:54,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:26:54,499 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-20 00:26:54,499 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 2.5714285714285716) internal successors, (36), 13 states have internal predecessors, (36), 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) [2021-02-20 00:26:54,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:26:54,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:26:54,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:26:54,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:26:54,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:26:54,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-20 00:26:54,910 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-20 00:26:54,910 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-20 00:26:54,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-20 00:26:54,911 INFO L82 PathProgramCache]: Analyzing trace with hash 1599414999, now seen corresponding path program 2 times [2021-02-20 00:26:54,911 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-20 00:26:54,911 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1500718310] [2021-02-20 00:26:54,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-20 00:26:54,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:26:54,996 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:26:54,996 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1500718310] [2021-02-20 00:26:54,996 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2047873061] [2021-02-20 00:26:54,996 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 [2021-02-20 00:26:55,025 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-02-20 00:26:55,026 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-20 00:26:55,027 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 11 conjunts are in the unsatisfiable core [2021-02-20 00:26:55,028 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-20 00:26:55,125 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:26:55,128 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-20 00:26:55,128 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2021-02-20 00:26:55,129 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [489563490] [2021-02-20 00:26:55,129 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-02-20 00:26:55,129 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-20 00:26:55,130 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-02-20 00:26:55,130 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-02-20 00:26:55,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:26:55,131 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-20 00:26:55,131 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 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) [2021-02-20 00:26:55,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:26:55,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:26:55,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-20 00:26:55,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:26:55,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:26:55,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:26:55,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-20 00:26:55,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:26:55,473 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-20 00:26:55,474 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-20 00:26:55,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-20 00:26:55,474 INFO L82 PathProgramCache]: Analyzing trace with hash -1643203045, now seen corresponding path program 3 times [2021-02-20 00:26:55,474 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-20 00:26:55,475 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1822789022] [2021-02-20 00:26:55,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-20 00:26:55,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:26:55,645 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 14 proven. 18 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-02-20 00:26:55,645 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1822789022] [2021-02-20 00:26:55,645 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1970307293] [2021-02-20 00:26:55,645 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 [2021-02-20 00:26:55,676 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2021-02-20 00:26:55,677 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-20 00:26:55,677 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 12 conjunts are in the unsatisfiable core [2021-02-20 00:26:55,678 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-20 00:26:55,966 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 9 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:26:55,966 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-20 00:26:55,966 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 12] total 21 [2021-02-20 00:26:55,966 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314887733] [2021-02-20 00:26:55,967 INFO L460 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-02-20 00:26:55,967 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-20 00:26:55,967 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-02-20 00:26:55,967 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=370, Unknown=0, NotChecked=0, Total=462 [2021-02-20 00:26:55,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:26:55,967 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-20 00:26:55,968 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 2.5) internal successors, (55), 21 states have internal predecessors, (55), 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) [2021-02-20 00:26:55,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:26:55,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:26:55,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-20 00:26:55,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:26:55,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:26:56,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:26:56,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:26:56,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-20 00:26:56,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:26:56,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-20 00:26:56,626 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-20 00:26:56,626 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-20 00:26:56,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-20 00:26:56,627 INFO L82 PathProgramCache]: Analyzing trace with hash -1893044585, now seen corresponding path program 4 times [2021-02-20 00:26:56,627 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-20 00:26:56,627 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1261270823] [2021-02-20 00:26:56,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-20 00:26:56,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:26:56,735 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:26:56,736 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1261270823] [2021-02-20 00:26:56,736 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [7931080] [2021-02-20 00:26:56,736 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 [2021-02-20 00:26:56,791 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-02-20 00:26:56,791 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-20 00:26:56,792 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 23 conjunts are in the unsatisfiable core [2021-02-20 00:26:56,793 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-20 00:26:56,869 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:26:56,869 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-20 00:26:56,870 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 8 [2021-02-20 00:26:56,870 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185126155] [2021-02-20 00:26:56,870 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-20 00:26:56,870 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-20 00:26:56,871 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-20 00:26:56,871 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-02-20 00:26:56,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:26:56,871 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-20 00:26:56,871 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 4.375) internal successors, (35), 8 states have internal predecessors, (35), 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) [2021-02-20 00:26:56,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:26:56,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:26:56,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-20 00:26:56,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:26:56,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-20 00:26:56,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:26:56,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:26:56,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:26:56,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-20 00:26:56,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:26:56,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-20 00:26:56,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:26:57,140 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-20 00:26:57,141 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-20 00:26:57,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-20 00:26:57,141 INFO L82 PathProgramCache]: Analyzing trace with hash 1810384221, now seen corresponding path program 5 times [2021-02-20 00:26:57,141 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-20 00:26:57,141 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [438924350] [2021-02-20 00:26:57,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-20 00:26:57,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:26:57,329 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 47 proven. 40 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-02-20 00:26:57,330 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [438924350] [2021-02-20 00:26:57,330 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1690400472] [2021-02-20 00:26:57,330 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) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-20 00:26:57,362 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2021-02-20 00:26:57,362 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-20 00:26:57,363 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 17 conjunts are in the unsatisfiable core [2021-02-20 00:26:57,364 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-20 00:26:57,774 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 36 proven. 53 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:26:57,775 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-20 00:26:57,775 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 17] total 31 [2021-02-20 00:26:57,775 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433926932] [2021-02-20 00:26:57,776 INFO L460 AbstractCegarLoop]: Interpolant automaton has 32 states [2021-02-20 00:26:57,776 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-20 00:26:57,776 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-02-20 00:26:57,777 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=179, Invalid=813, Unknown=0, NotChecked=0, Total=992 [2021-02-20 00:26:57,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:26:57,780 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-20 00:26:57,781 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 32 states, 32 states have (on average 2.34375) internal successors, (75), 31 states have internal predecessors, (75), 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) [2021-02-20 00:26:57,781 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:26:57,781 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:26:57,781 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-20 00:26:57,781 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:26:57,781 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-20 00:26:57,781 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:26:57,781 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:26:58,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:26:58,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:26:58,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-20 00:26:58,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:26:58,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-20 00:26:58,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:26:58,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-20 00:26:58,685 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-20 00:26:58,685 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-20 00:26:58,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-20 00:26:58,686 INFO L82 PathProgramCache]: Analyzing trace with hash 2022912343, now seen corresponding path program 6 times [2021-02-20 00:26:58,686 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-20 00:26:58,686 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260649510] [2021-02-20 00:26:58,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-20 00:26:58,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:26:58,851 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 0 proven. 128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:26:58,851 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [260649510] [2021-02-20 00:26:58,851 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2045153238] [2021-02-20 00:26:58,851 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 [2021-02-20 00:26:58,903 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2021-02-20 00:26:58,904 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-20 00:26:58,904 INFO L263 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 35 conjunts are in the unsatisfiable core [2021-02-20 00:26:58,907 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-20 00:26:59,001 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 0 proven. 128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:26:59,002 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-20 00:26:59,002 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 11 [2021-02-20 00:26:59,002 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [53436633] [2021-02-20 00:26:59,002 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-02-20 00:26:59,002 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-20 00:26:59,003 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-02-20 00:26:59,003 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-02-20 00:26:59,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:26:59,003 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-20 00:26:59,003 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 4.2727272727272725) internal successors, (47), 11 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-02-20 00:26:59,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:26:59,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:26:59,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-20 00:26:59,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:26:59,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-20 00:26:59,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:26:59,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-20 00:26:59,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:26:59,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:26:59,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:26:59,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-20 00:26:59,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:26:59,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-20 00:26:59,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:26:59,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-20 00:26:59,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-20 00:26:59,286 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2021-02-20 00:26:59,286 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-20 00:26:59,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-20 00:26:59,286 INFO L82 PathProgramCache]: Analyzing trace with hash 2012286749, now seen corresponding path program 7 times [2021-02-20 00:26:59,286 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-20 00:26:59,287 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1380635722] [2021-02-20 00:26:59,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-20 00:26:59,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:26:59,599 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 98 proven. 85 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-02-20 00:26:59,599 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1380635722] [2021-02-20 00:26:59,600 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1935953542] [2021-02-20 00:26:59,600 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 [2021-02-20 00:26:59,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:26:59,629 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 23 conjunts are in the unsatisfiable core [2021-02-20 00:26:59,631 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-20 00:27:00,272 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 81 proven. 104 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:27:00,273 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-20 00:27:00,273 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 23] total 43 [2021-02-20 00:27:00,273 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851875700] [2021-02-20 00:27:00,274 INFO L460 AbstractCegarLoop]: Interpolant automaton has 44 states [2021-02-20 00:27:00,274 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-20 00:27:00,274 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2021-02-20 00:27:00,275 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=323, Invalid=1569, Unknown=0, NotChecked=0, Total=1892 [2021-02-20 00:27:00,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:27:00,275 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-20 00:27:00,275 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 44 states, 44 states have (on average 2.25) internal successors, (99), 43 states have internal predecessors, (99), 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) [2021-02-20 00:27:00,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:27:00,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:27:00,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-20 00:27:00,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:27:00,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-20 00:27:00,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:27:00,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-20 00:27:00,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-02-20 00:27:00,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:27:01,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:27:01,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:27:01,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-20 00:27:01,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:27:01,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-20 00:27:01,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:27:01,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-20 00:27:01,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-20 00:27:01,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-02-20 00:27:01,598 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-20 00:27:01,598 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-20 00:27:01,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-20 00:27:01,599 INFO L82 PathProgramCache]: Analyzing trace with hash 623356695, now seen corresponding path program 8 times [2021-02-20 00:27:01,599 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-20 00:27:01,599 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [392931806] [2021-02-20 00:27:01,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-20 00:27:01,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:27:01,814 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 0 proven. 242 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:27:01,814 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [392931806] [2021-02-20 00:27:01,814 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1882811470] [2021-02-20 00:27:01,815 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 [2021-02-20 00:27:01,861 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-02-20 00:27:01,861 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-20 00:27:01,862 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 47 conjunts are in the unsatisfiable core [2021-02-20 00:27:01,869 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-20 00:27:01,984 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 0 proven. 242 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:27:01,985 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-20 00:27:01,985 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 14 [2021-02-20 00:27:01,985 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2137989347] [2021-02-20 00:27:01,985 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-02-20 00:27:01,985 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-20 00:27:01,986 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-02-20 00:27:01,986 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2021-02-20 00:27:01,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:27:01,986 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-20 00:27:01,987 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 4.214285714285714) internal successors, (59), 14 states have internal predecessors, (59), 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) [2021-02-20 00:27:01,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:27:01,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:27:01,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-20 00:27:01,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:27:01,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-20 00:27:01,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:27:01,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-20 00:27:01,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-02-20 00:27:01,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-02-20 00:27:01,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:27:02,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:27:02,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:27:02,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-20 00:27:02,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:27:02,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-20 00:27:02,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:27:02,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-20 00:27:02,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-20 00:27:02,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-02-20 00:27:02,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-20 00:27:02,324 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-20 00:27:02,325 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-20 00:27:02,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-20 00:27:02,325 INFO L82 PathProgramCache]: Analyzing trace with hash 13832157, now seen corresponding path program 9 times [2021-02-20 00:27:02,325 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-20 00:27:02,325 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [140417465] [2021-02-20 00:27:02,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-20 00:27:02,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:27:02,682 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 167 proven. 148 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-02-20 00:27:02,683 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [140417465] [2021-02-20 00:27:02,683 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [355579892] [2021-02-20 00:27:02,683 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 [2021-02-20 00:27:02,723 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) [2021-02-20 00:27:02,723 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-20 00:27:02,724 INFO L263 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 29 conjunts are in the unsatisfiable core [2021-02-20 00:27:02,725 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-20 00:27:03,582 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 144 proven. 173 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:27:03,583 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-20 00:27:03,583 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 29] total 55 [2021-02-20 00:27:03,583 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1103781864] [2021-02-20 00:27:03,583 INFO L460 AbstractCegarLoop]: Interpolant automaton has 56 states [2021-02-20 00:27:03,583 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-20 00:27:03,584 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2021-02-20 00:27:03,585 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=512, Invalid=2568, Unknown=0, NotChecked=0, Total=3080 [2021-02-20 00:27:03,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:27:03,585 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-20 00:27:03,585 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 56 states, 56 states have (on average 2.1964285714285716) internal successors, (123), 55 states have internal predecessors, (123), 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) [2021-02-20 00:27:03,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:27:03,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:27:03,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-20 00:27:03,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:27:03,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-20 00:27:03,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:27:03,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-20 00:27:03,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-02-20 00:27:03,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-02-20 00:27:03,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-02-20 00:27:03,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:27:05,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:27:05,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:27:05,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-20 00:27:05,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:27:05,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-20 00:27:05,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:27:05,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-20 00:27:05,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-20 00:27:05,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-02-20 00:27:05,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-20 00:27:05,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-02-20 00:27:05,485 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-02-20 00:27:05,486 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-20 00:27:05,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-20 00:27:05,486 INFO L82 PathProgramCache]: Analyzing trace with hash 319822807, now seen corresponding path program 10 times [2021-02-20 00:27:05,486 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-20 00:27:05,486 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101960308] [2021-02-20 00:27:05,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-20 00:27:05,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:27:05,733 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 0 proven. 392 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:27:05,734 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [101960308] [2021-02-20 00:27:05,734 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1666126193] [2021-02-20 00:27:05,734 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 [2021-02-20 00:27:05,773 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-02-20 00:27:05,773 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-20 00:27:05,774 INFO L263 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 59 conjunts are in the unsatisfiable core [2021-02-20 00:27:05,776 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-20 00:27:05,906 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 0 proven. 392 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:27:05,907 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-20 00:27:05,907 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 17 [2021-02-20 00:27:05,907 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106734067] [2021-02-20 00:27:05,907 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-02-20 00:27:05,907 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-20 00:27:05,908 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-02-20 00:27:05,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2021-02-20 00:27:05,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:27:05,908 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-20 00:27:05,908 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 4.176470588235294) internal successors, (71), 17 states have internal predecessors, (71), 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) [2021-02-20 00:27:05,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:27:05,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:27:05,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-20 00:27:05,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:27:05,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-20 00:27:05,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:27:05,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-20 00:27:05,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-02-20 00:27:05,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-02-20 00:27:05,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-02-20 00:27:05,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-02-20 00:27:05,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:27:06,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:27:06,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:27:06,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-20 00:27:06,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:27:06,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-20 00:27:06,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:27:06,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-20 00:27:06,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-20 00:27:06,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-02-20 00:27:06,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-20 00:27:06,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-02-20 00:27:06,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-20 00:27:06,266 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-20 00:27:06,266 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-20 00:27:06,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-20 00:27:06,267 INFO L82 PathProgramCache]: Analyzing trace with hash -1938389091, now seen corresponding path program 11 times [2021-02-20 00:27:06,267 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-20 00:27:06,267 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [458681603] [2021-02-20 00:27:06,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-20 00:27:06,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:27:06,768 INFO L134 CoverageAnalysis]: Checked inductivity of 485 backedges. 254 proven. 229 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-02-20 00:27:06,768 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [458681603] [2021-02-20 00:27:06,768 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2086857356] [2021-02-20 00:27:06,769 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 [2021-02-20 00:27:06,832 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 18 check-sat command(s) [2021-02-20 00:27:06,833 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-20 00:27:06,834 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 35 conjunts are in the unsatisfiable core [2021-02-20 00:27:06,838 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-20 00:27:08,029 INFO L134 CoverageAnalysis]: Checked inductivity of 485 backedges. 225 proven. 260 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:27:08,029 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-20 00:27:08,030 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 35] total 67 [2021-02-20 00:27:08,030 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712014994] [2021-02-20 00:27:08,030 INFO L460 AbstractCegarLoop]: Interpolant automaton has 68 states [2021-02-20 00:27:08,030 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-20 00:27:08,031 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 68 interpolants. [2021-02-20 00:27:08,032 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=746, Invalid=3810, Unknown=0, NotChecked=0, Total=4556 [2021-02-20 00:27:08,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:27:08,032 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-20 00:27:08,033 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 68 states, 68 states have (on average 2.161764705882353) internal successors, (147), 67 states have internal predecessors, (147), 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) [2021-02-20 00:27:08,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:27:08,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:27:08,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-20 00:27:08,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:27:08,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-20 00:27:08,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:27:08,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-20 00:27:08,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-02-20 00:27:08,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-02-20 00:27:08,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-02-20 00:27:08,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-02-20 00:27:08,034 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-20 00:27:08,034 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:27:10,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:27:10,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:27:10,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-20 00:27:10,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:27:10,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-20 00:27:10,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:27:10,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-20 00:27:10,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-20 00:27:10,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-02-20 00:27:10,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-20 00:27:10,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-02-20 00:27:10,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-20 00:27:10,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-02-20 00:27:10,389 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-02-20 00:27:10,389 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-20 00:27:10,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-20 00:27:10,389 INFO L82 PathProgramCache]: Analyzing trace with hash -385563753, now seen corresponding path program 12 times [2021-02-20 00:27:10,389 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-20 00:27:10,389 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [19680057] [2021-02-20 00:27:10,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-20 00:27:10,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:27:10,759 INFO L134 CoverageAnalysis]: Checked inductivity of 578 backedges. 0 proven. 578 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:27:10,759 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [19680057] [2021-02-20 00:27:10,759 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [309969827] [2021-02-20 00:27:10,759 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 [2021-02-20 00:27:10,802 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 18 check-sat command(s) [2021-02-20 00:27:10,802 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-20 00:27:10,805 INFO L263 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 71 conjunts are in the unsatisfiable core [2021-02-20 00:27:10,806 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-20 00:27:10,950 INFO L134 CoverageAnalysis]: Checked inductivity of 578 backedges. 0 proven. 578 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:27:10,950 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-20 00:27:10,950 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20] total 20 [2021-02-20 00:27:10,950 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785196817] [2021-02-20 00:27:10,951 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-02-20 00:27:10,951 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-20 00:27:10,951 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-02-20 00:27:10,951 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=343, Unknown=0, NotChecked=0, Total=380 [2021-02-20 00:27:10,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:27:10,952 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-20 00:27:10,952 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 4.15) internal successors, (83), 20 states have internal predecessors, (83), 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) [2021-02-20 00:27:10,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:27:10,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:27:10,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-20 00:27:10,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:27:10,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-20 00:27:10,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:27:10,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-20 00:27:10,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-02-20 00:27:10,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-02-20 00:27:10,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-02-20 00:27:10,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-02-20 00:27:10,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-20 00:27:10,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-02-20 00:27:10,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:27:11,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:27:11,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:27:11,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-20 00:27:11,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:27:11,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-20 00:27:11,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:27:11,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-20 00:27:11,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-20 00:27:11,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-02-20 00:27:11,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-20 00:27:11,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-02-20 00:27:11,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-20 00:27:11,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-02-20 00:27:11,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-02-20 00:27:11,330 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-20 00:27:11,330 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-20 00:27:11,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-20 00:27:11,331 INFO L82 PathProgramCache]: Analyzing trace with hash 693352029, now seen corresponding path program 13 times [2021-02-20 00:27:11,331 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-20 00:27:11,331 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2008898963] [2021-02-20 00:27:11,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-20 00:27:11,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:27:11,970 INFO L134 CoverageAnalysis]: Checked inductivity of 689 backedges. 359 proven. 328 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-02-20 00:27:11,971 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2008898963] [2021-02-20 00:27:11,971 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1953766036] [2021-02-20 00:27:11,971 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 [2021-02-20 00:27:12,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:27:12,011 INFO L263 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 41 conjunts are in the unsatisfiable core [2021-02-20 00:27:12,012 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-20 00:27:13,395 INFO L134 CoverageAnalysis]: Checked inductivity of 689 backedges. 324 proven. 365 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:27:13,395 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-20 00:27:13,395 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [40, 41] total 79 [2021-02-20 00:27:13,395 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1411825922] [2021-02-20 00:27:13,396 INFO L460 AbstractCegarLoop]: Interpolant automaton has 80 states [2021-02-20 00:27:13,396 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-20 00:27:13,396 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 80 interpolants. [2021-02-20 00:27:13,397 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1025, Invalid=5295, Unknown=0, NotChecked=0, Total=6320 [2021-02-20 00:27:13,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:27:13,397 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-20 00:27:13,398 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 80 states, 80 states have (on average 2.1375) internal successors, (171), 79 states have internal predecessors, (171), 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) [2021-02-20 00:27:13,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:27:13,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:27:13,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-20 00:27:13,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:27:13,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-20 00:27:13,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:27:13,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-20 00:27:13,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-02-20 00:27:13,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-02-20 00:27:13,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-02-20 00:27:13,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-02-20 00:27:13,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-20 00:27:13,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-02-20 00:27:13,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-02-20 00:27:13,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:27:15,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:27:15,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:27:15,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-20 00:27:15,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:27:15,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-20 00:27:15,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:27:15,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-20 00:27:15,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-20 00:27:15,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-02-20 00:27:15,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-20 00:27:15,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-02-20 00:27:15,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-20 00:27:15,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-02-20 00:27:15,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-02-20 00:27:15,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-02-20 00:27:15,850 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-02-20 00:27:15,850 INFO L428 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-20 00:27:15,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-20 00:27:15,850 INFO L82 PathProgramCache]: Analyzing trace with hash 709747287, now seen corresponding path program 14 times [2021-02-20 00:27:15,850 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-20 00:27:15,850 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [237213205] [2021-02-20 00:27:15,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-20 00:27:15,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:27:16,269 INFO L134 CoverageAnalysis]: Checked inductivity of 800 backedges. 0 proven. 800 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:27:16,269 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [237213205] [2021-02-20 00:27:16,269 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1003227930] [2021-02-20 00:27:16,269 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 [2021-02-20 00:27:16,323 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-02-20 00:27:16,324 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-20 00:27:16,325 INFO L263 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 83 conjunts are in the unsatisfiable core [2021-02-20 00:27:16,326 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-20 00:27:16,491 INFO L134 CoverageAnalysis]: Checked inductivity of 800 backedges. 0 proven. 800 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:27:16,491 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-20 00:27:16,491 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23] total 23 [2021-02-20 00:27:16,491 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035633765] [2021-02-20 00:27:16,492 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-02-20 00:27:16,492 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-20 00:27:16,492 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-02-20 00:27:16,492 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=463, Unknown=0, NotChecked=0, Total=506 [2021-02-20 00:27:16,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:27:16,492 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-20 00:27:16,493 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 4.130434782608695) internal successors, (95), 23 states have internal predecessors, (95), 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) [2021-02-20 00:27:16,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:27:16,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:27:16,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-20 00:27:16,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:27:16,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-20 00:27:16,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:27:16,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-20 00:27:16,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-02-20 00:27:16,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-02-20 00:27:16,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-02-20 00:27:16,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-02-20 00:27:16,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-20 00:27:16,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-02-20 00:27:16,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-02-20 00:27:16,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-02-20 00:27:16,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:27:16,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:27:16,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:27:16,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-20 00:27:16,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:27:16,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-20 00:27:16,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:27:16,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-20 00:27:16,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-20 00:27:16,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-02-20 00:27:16,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-20 00:27:16,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-02-20 00:27:16,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-20 00:27:16,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-02-20 00:27:16,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-02-20 00:27:16,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-02-20 00:27:16,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-02-20 00:27:16,967 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-02-20 00:27:16,967 INFO L428 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-20 00:27:16,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-20 00:27:16,968 INFO L82 PathProgramCache]: Analyzing trace with hash 577952797, now seen corresponding path program 15 times [2021-02-20 00:27:16,968 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-20 00:27:16,968 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214550698] [2021-02-20 00:27:16,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-20 00:27:16,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:27:17,796 INFO L134 CoverageAnalysis]: Checked inductivity of 929 backedges. 482 proven. 445 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-02-20 00:27:17,797 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [214550698] [2021-02-20 00:27:17,797 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [843496078] [2021-02-20 00:27:17,797 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 [2021-02-20 00:27:17,845 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 24 check-sat command(s) [2021-02-20 00:27:17,845 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-20 00:27:17,846 INFO L263 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 47 conjunts are in the unsatisfiable core [2021-02-20 00:27:17,848 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-20 00:27:19,613 INFO L134 CoverageAnalysis]: Checked inductivity of 929 backedges. 441 proven. 488 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:27:19,613 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-20 00:27:19,614 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [46, 47] total 91 [2021-02-20 00:27:19,614 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2094561673] [2021-02-20 00:27:19,614 INFO L460 AbstractCegarLoop]: Interpolant automaton has 92 states [2021-02-20 00:27:19,614 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-20 00:27:19,615 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 92 interpolants. [2021-02-20 00:27:19,616 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1349, Invalid=7023, Unknown=0, NotChecked=0, Total=8372 [2021-02-20 00:27:19,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:27:19,616 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-20 00:27:19,616 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 92 states, 92 states have (on average 2.119565217391304) internal successors, (195), 91 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) [2021-02-20 00:27:19,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:27:19,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:27:19,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-20 00:27:19,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:27:19,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-20 00:27:19,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:27:19,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-20 00:27:19,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-02-20 00:27:19,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-02-20 00:27:19,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-02-20 00:27:19,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-02-20 00:27:19,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-20 00:27:19,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-02-20 00:27:19,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-02-20 00:27:19,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-02-20 00:27:19,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-02-20 00:27:19,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:27:22,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:27:22,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:27:22,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-20 00:27:22,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:27:22,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-20 00:27:22,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:27:22,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-20 00:27:22,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-20 00:27:22,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-02-20 00:27:22,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-20 00:27:22,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-02-20 00:27:22,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-20 00:27:22,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-02-20 00:27:22,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-02-20 00:27:22,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-02-20 00:27:22,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-02-20 00:27:22,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2021-02-20 00:27:22,749 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-02-20 00:27:22,749 INFO L428 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-20 00:27:22,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-20 00:27:22,749 INFO L82 PathProgramCache]: Analyzing trace with hash -356272105, now seen corresponding path program 16 times [2021-02-20 00:27:22,750 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-20 00:27:22,750 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2016174997] [2021-02-20 00:27:22,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-20 00:27:22,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:27:23,258 INFO L134 CoverageAnalysis]: Checked inductivity of 1058 backedges. 0 proven. 1058 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:27:23,258 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2016174997] [2021-02-20 00:27:23,258 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [80651756] [2021-02-20 00:27:23,259 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 [2021-02-20 00:27:23,324 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-02-20 00:27:23,324 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-20 00:27:23,326 INFO L263 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 95 conjunts are in the unsatisfiable core [2021-02-20 00:27:23,327 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-20 00:27:23,543 INFO L134 CoverageAnalysis]: Checked inductivity of 1058 backedges. 0 proven. 1058 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:27:23,543 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-20 00:27:23,543 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 26] total 26 [2021-02-20 00:27:23,544 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [60888287] [2021-02-20 00:27:23,544 INFO L460 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-02-20 00:27:23,544 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-20 00:27:23,544 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-02-20 00:27:23,544 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=601, Unknown=0, NotChecked=0, Total=650 [2021-02-20 00:27:23,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:27:23,545 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-20 00:27:23,545 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 4.115384615384615) internal successors, (107), 26 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) [2021-02-20 00:27:23,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:27:23,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:27:23,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-20 00:27:23,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:27:23,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-20 00:27:23,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:27:23,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-20 00:27:23,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-02-20 00:27:23,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-02-20 00:27:23,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-02-20 00:27:23,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-02-20 00:27:23,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-20 00:27:23,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-02-20 00:27:23,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-02-20 00:27:23,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-02-20 00:27:23,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-02-20 00:27:23,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2021-02-20 00:27:23,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:27:23,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:27:23,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:27:23,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-20 00:27:23,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:27:23,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-20 00:27:23,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:27:23,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-20 00:27:23,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-20 00:27:23,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-02-20 00:27:23,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-20 00:27:23,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-02-20 00:27:23,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-20 00:27:23,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-02-20 00:27:23,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-02-20 00:27:23,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-02-20 00:27:23,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-02-20 00:27:23,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2021-02-20 00:27:23,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-02-20 00:27:24,042 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-02-20 00:27:24,043 INFO L428 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-20 00:27:24,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-20 00:27:24,043 INFO L82 PathProgramCache]: Analyzing trace with hash -1284753187, now seen corresponding path program 17 times [2021-02-20 00:27:24,043 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-20 00:27:24,043 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952064956] [2021-02-20 00:27:24,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-20 00:27:24,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:27:25,058 INFO L134 CoverageAnalysis]: Checked inductivity of 1205 backedges. 623 proven. 580 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-02-20 00:27:25,059 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1952064956] [2021-02-20 00:27:25,059 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1233661116] [2021-02-20 00:27:25,059 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 [2021-02-20 00:27:25,114 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 27 check-sat command(s) [2021-02-20 00:27:25,114 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-20 00:27:25,115 INFO L263 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 53 conjunts are in the unsatisfiable core [2021-02-20 00:27:25,116 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-20 00:27:27,363 INFO L134 CoverageAnalysis]: Checked inductivity of 1205 backedges. 576 proven. 629 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:27:27,363 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-20 00:27:27,363 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [52, 53] total 103 [2021-02-20 00:27:27,364 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884563735] [2021-02-20 00:27:27,364 INFO L460 AbstractCegarLoop]: Interpolant automaton has 104 states [2021-02-20 00:27:27,364 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-20 00:27:27,365 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 104 interpolants. [2021-02-20 00:27:27,367 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1718, Invalid=8994, Unknown=0, NotChecked=0, Total=10712 [2021-02-20 00:27:27,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:27:27,367 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-20 00:27:27,367 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 104 states, 104 states have (on average 2.105769230769231) internal successors, (219), 103 states have internal predecessors, (219), 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) [2021-02-20 00:27:27,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:27:27,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:27:27,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-20 00:27:27,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:27:27,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-20 00:27:27,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:27:27,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-20 00:27:27,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-02-20 00:27:27,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-02-20 00:27:27,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-02-20 00:27:27,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-02-20 00:27:27,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-20 00:27:27,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-02-20 00:27:27,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-02-20 00:27:27,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-02-20 00:27:27,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-02-20 00:27:27,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2021-02-20 00:27:27,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-02-20 00:27:27,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:27:31,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:27:31,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:27:31,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-20 00:27:31,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:27:31,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-20 00:27:31,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:27:31,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-20 00:27:31,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-20 00:27:31,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-02-20 00:27:31,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-20 00:27:31,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-02-20 00:27:31,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-20 00:27:31,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-02-20 00:27:31,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-02-20 00:27:31,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-02-20 00:27:31,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-02-20 00:27:31,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2021-02-20 00:27:31,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-02-20 00:27:31,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-02-20 00:27:31,471 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,20 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-20 00:27:31,471 INFO L428 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-20 00:27:31,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-20 00:27:31,471 INFO L82 PathProgramCache]: Analyzing trace with hash -2100394793, now seen corresponding path program 18 times [2021-02-20 00:27:31,471 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-20 00:27:31,471 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1650153705] [2021-02-20 00:27:31,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-20 00:27:31,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:27:32,123 INFO L134 CoverageAnalysis]: Checked inductivity of 1352 backedges. 0 proven. 1352 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:27:32,124 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1650153705] [2021-02-20 00:27:32,124 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2067635166] [2021-02-20 00:27:32,124 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 [2021-02-20 00:27:32,178 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 27 check-sat command(s) [2021-02-20 00:27:32,178 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-20 00:27:32,180 INFO L263 TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 107 conjunts are in the unsatisfiable core [2021-02-20 00:27:32,181 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-20 00:27:32,394 INFO L134 CoverageAnalysis]: Checked inductivity of 1352 backedges. 0 proven. 1352 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:27:32,395 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-20 00:27:32,395 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 29] total 29 [2021-02-20 00:27:32,395 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [123812203] [2021-02-20 00:27:32,395 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-02-20 00:27:32,395 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-20 00:27:32,395 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-02-20 00:27:32,396 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=757, Unknown=0, NotChecked=0, Total=812 [2021-02-20 00:27:32,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:27:32,396 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-20 00:27:32,396 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 29 states, 29 states have (on average 4.103448275862069) internal successors, (119), 29 states have internal predecessors, (119), 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) [2021-02-20 00:27:32,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:27:32,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:27:32,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-20 00:27:32,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:27:32,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-20 00:27:32,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:27:32,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-20 00:27:32,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-02-20 00:27:32,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-02-20 00:27:32,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-02-20 00:27:32,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-02-20 00:27:32,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-20 00:27:32,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-02-20 00:27:32,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-02-20 00:27:32,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-02-20 00:27:32,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-02-20 00:27:32,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2021-02-20 00:27:32,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-02-20 00:27:32,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-02-20 00:27:32,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:27:32,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:27:32,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:27:32,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-20 00:27:32,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:27:32,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-20 00:27:32,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:27:32,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-20 00:27:32,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-20 00:27:32,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-02-20 00:27:32,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-20 00:27:32,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-02-20 00:27:32,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-20 00:27:32,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-02-20 00:27:32,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-02-20 00:27:32,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-02-20 00:27:32,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-02-20 00:27:32,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2021-02-20 00:27:32,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-02-20 00:27:32,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-02-20 00:27:32,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-02-20 00:27:33,007 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,21 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-20 00:27:33,008 INFO L428 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-20 00:27:33,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-20 00:27:33,008 INFO L82 PathProgramCache]: Analyzing trace with hash -1134031715, now seen corresponding path program 19 times [2021-02-20 00:27:33,008 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-20 00:27:33,008 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [557329487] [2021-02-20 00:27:33,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-20 00:27:33,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:27:34,345 INFO L134 CoverageAnalysis]: Checked inductivity of 1517 backedges. 782 proven. 733 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-02-20 00:27:34,346 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [557329487] [2021-02-20 00:27:34,346 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [495330102] [2021-02-20 00:27:34,346 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 [2021-02-20 00:27:34,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:27:34,394 INFO L263 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 59 conjunts are in the unsatisfiable core [2021-02-20 00:27:34,395 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-20 00:27:37,240 INFO L134 CoverageAnalysis]: Checked inductivity of 1517 backedges. 729 proven. 788 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:27:37,240 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-20 00:27:37,240 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [58, 59] total 115 [2021-02-20 00:27:37,240 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [704672617] [2021-02-20 00:27:37,241 INFO L460 AbstractCegarLoop]: Interpolant automaton has 116 states [2021-02-20 00:27:37,241 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-20 00:27:37,241 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 116 interpolants. [2021-02-20 00:27:37,243 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2132, Invalid=11208, Unknown=0, NotChecked=0, Total=13340 [2021-02-20 00:27:37,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:27:37,243 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-20 00:27:37,244 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 116 states, 116 states have (on average 2.0948275862068964) internal successors, (243), 115 states have internal predecessors, (243), 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) [2021-02-20 00:27:37,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:27:37,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:27:37,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-20 00:27:37,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:27:37,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-20 00:27:37,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:27:37,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-20 00:27:37,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-02-20 00:27:37,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-02-20 00:27:37,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-02-20 00:27:37,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-02-20 00:27:37,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-20 00:27:37,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-02-20 00:27:37,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-02-20 00:27:37,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-02-20 00:27:37,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-02-20 00:27:37,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2021-02-20 00:27:37,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-02-20 00:27:37,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-02-20 00:27:37,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-02-20 00:27:37,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:27:42,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:27:42,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:27:42,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-20 00:27:42,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:27:42,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-20 00:27:42,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:27:42,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-20 00:27:42,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-20 00:27:42,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-02-20 00:27:42,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-20 00:27:42,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-02-20 00:27:42,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-20 00:27:42,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-02-20 00:27:42,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-02-20 00:27:42,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-02-20 00:27:42,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-02-20 00:27:42,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2021-02-20 00:27:42,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-02-20 00:27:42,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-02-20 00:27:42,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-02-20 00:27:42,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-02-20 00:27:42,835 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2021-02-20 00:27:42,836 INFO L428 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-20 00:27:42,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-20 00:27:42,836 INFO L82 PathProgramCache]: Analyzing trace with hash 1130793111, now seen corresponding path program 20 times [2021-02-20 00:27:42,836 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-20 00:27:42,836 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1151829369] [2021-02-20 00:27:42,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-20 00:27:42,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:27:43,617 INFO L134 CoverageAnalysis]: Checked inductivity of 1682 backedges. 0 proven. 1682 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:27:43,617 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1151829369] [2021-02-20 00:27:43,617 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2037136375] [2021-02-20 00:27:43,617 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 [2021-02-20 00:27:43,673 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-02-20 00:27:43,673 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-20 00:27:43,675 INFO L263 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 119 conjunts are in the unsatisfiable core [2021-02-20 00:27:43,676 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-20 00:27:43,897 INFO L134 CoverageAnalysis]: Checked inductivity of 1682 backedges. 0 proven. 1682 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:27:43,897 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-20 00:27:43,898 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 32] total 32 [2021-02-20 00:27:43,898 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669727609] [2021-02-20 00:27:43,898 INFO L460 AbstractCegarLoop]: Interpolant automaton has 32 states [2021-02-20 00:27:43,898 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-20 00:27:43,898 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-02-20 00:27:43,898 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=931, Unknown=0, NotChecked=0, Total=992 [2021-02-20 00:27:43,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:27:43,899 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-20 00:27:43,899 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 32 states, 32 states have (on average 4.09375) internal successors, (131), 32 states have internal predecessors, (131), 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) [2021-02-20 00:27:43,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:27:43,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:27:43,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-20 00:27:43,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:27:43,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-20 00:27:43,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:27:43,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-20 00:27:43,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-02-20 00:27:43,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-02-20 00:27:43,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-02-20 00:27:43,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-02-20 00:27:43,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-20 00:27:43,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-02-20 00:27:43,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-02-20 00:27:43,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-02-20 00:27:43,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-02-20 00:27:43,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2021-02-20 00:27:43,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-02-20 00:27:43,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-02-20 00:27:43,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-02-20 00:27:43,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-02-20 00:27:43,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:27:44,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:27:44,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:27:44,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-20 00:27:44,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:27:44,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-20 00:27:44,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:27:44,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-20 00:27:44,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-20 00:27:44,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-02-20 00:27:44,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-20 00:27:44,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-02-20 00:27:44,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-20 00:27:44,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-02-20 00:27:44,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-02-20 00:27:44,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-02-20 00:27:44,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-02-20 00:27:44,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2021-02-20 00:27:44,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-02-20 00:27:44,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-02-20 00:27:44,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-02-20 00:27:44,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-02-20 00:27:44,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-02-20 00:27:44,626 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,23 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-20 00:27:44,626 INFO L428 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-20 00:27:44,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-20 00:27:44,626 INFO L82 PathProgramCache]: Analyzing trace with hash 1981716317, now seen corresponding path program 21 times [2021-02-20 00:27:44,626 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-20 00:27:44,626 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187768732] [2021-02-20 00:27:44,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-20 00:27:44,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:27:46,141 INFO L134 CoverageAnalysis]: Checked inductivity of 1865 backedges. 959 proven. 904 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-02-20 00:27:46,141 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187768732] [2021-02-20 00:27:46,141 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1824518498] [2021-02-20 00:27:46,141 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 [2021-02-20 00:27:46,209 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 33 check-sat command(s) [2021-02-20 00:27:46,209 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-20 00:27:46,210 INFO L263 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 65 conjunts are in the unsatisfiable core [2021-02-20 00:27:46,212 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-20 00:27:49,504 INFO L134 CoverageAnalysis]: Checked inductivity of 1865 backedges. 900 proven. 965 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:27:49,504 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-20 00:27:49,504 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [64, 65] total 127 [2021-02-20 00:27:49,505 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1988940551] [2021-02-20 00:27:49,505 INFO L460 AbstractCegarLoop]: Interpolant automaton has 128 states [2021-02-20 00:27:49,505 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-20 00:27:49,505 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 128 interpolants. [2021-02-20 00:27:49,507 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2591, Invalid=13665, Unknown=0, NotChecked=0, Total=16256 [2021-02-20 00:27:49,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:27:49,507 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-20 00:27:49,508 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 128 states, 128 states have (on average 2.0859375) internal successors, (267), 127 states have internal predecessors, (267), 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) [2021-02-20 00:27:49,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:27:49,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:27:49,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-20 00:27:49,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:27:49,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-20 00:27:49,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:27:49,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-20 00:27:49,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-02-20 00:27:49,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-02-20 00:27:49,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-02-20 00:27:49,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-02-20 00:27:49,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-20 00:27:49,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-02-20 00:27:49,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-02-20 00:27:49,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-02-20 00:27:49,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-02-20 00:27:49,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2021-02-20 00:27:49,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-02-20 00:27:49,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-02-20 00:27:49,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-02-20 00:27:49,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-02-20 00:27:49,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-02-20 00:27:49,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:27:56,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:27:56,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:27:56,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-20 00:27:56,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:27:56,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-20 00:27:56,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:27:56,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-20 00:27:56,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-20 00:27:56,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-02-20 00:27:56,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-20 00:27:56,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-02-20 00:27:56,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-20 00:27:56,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-02-20 00:27:56,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-02-20 00:27:56,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-02-20 00:27:56,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-02-20 00:27:56,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2021-02-20 00:27:56,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-02-20 00:27:56,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-02-20 00:27:56,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-02-20 00:27:56,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-02-20 00:27:56,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-02-20 00:27:56,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2021-02-20 00:27:56,575 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2021-02-20 00:27:56,575 INFO L428 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-20 00:27:56,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-20 00:27:56,576 INFO L82 PathProgramCache]: Analyzing trace with hash 705954647, now seen corresponding path program 22 times [2021-02-20 00:27:56,576 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-20 00:27:56,576 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178596554] [2021-02-20 00:27:56,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-20 00:27:56,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:27:57,349 INFO L134 CoverageAnalysis]: Checked inductivity of 2048 backedges. 0 proven. 2048 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:27:57,349 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [178596554] [2021-02-20 00:27:57,349 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [558650920] [2021-02-20 00:27:57,349 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 [2021-02-20 00:27:57,402 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-02-20 00:27:57,402 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-20 00:27:57,404 INFO L263 TraceCheckSpWp]: Trace formula consists of 381 conjuncts, 131 conjunts are in the unsatisfiable core [2021-02-20 00:27:57,406 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-20 00:27:57,654 INFO L134 CoverageAnalysis]: Checked inductivity of 2048 backedges. 0 proven. 2048 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:27:57,654 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-20 00:27:57,654 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 35] total 35 [2021-02-20 00:27:57,655 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1909956069] [2021-02-20 00:27:57,655 INFO L460 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-02-20 00:27:57,655 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-20 00:27:57,655 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-02-20 00:27:57,655 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=1123, Unknown=0, NotChecked=0, Total=1190 [2021-02-20 00:27:57,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:27:57,655 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-20 00:27:57,655 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 4.085714285714285) internal successors, (143), 35 states have internal predecessors, (143), 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) [2021-02-20 00:27:57,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:27:57,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:27:57,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-20 00:27:57,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:27:57,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-20 00:27:57,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:27:57,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-20 00:27:57,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-02-20 00:27:57,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-02-20 00:27:57,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-02-20 00:27:57,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-02-20 00:27:57,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-20 00:27:57,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-02-20 00:27:57,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-02-20 00:27:57,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-02-20 00:27:57,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-02-20 00:27:57,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2021-02-20 00:27:57,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-02-20 00:27:57,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-02-20 00:27:57,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-02-20 00:27:57,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-02-20 00:27:57,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-02-20 00:27:57,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2021-02-20 00:27:57,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:27:58,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:27:58,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:27:58,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-20 00:27:58,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:27:58,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-20 00:27:58,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:27:58,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-20 00:27:58,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-20 00:27:58,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-02-20 00:27:58,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-20 00:27:58,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-02-20 00:27:58,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-20 00:27:58,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-02-20 00:27:58,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-02-20 00:27:58,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-02-20 00:27:58,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-02-20 00:27:58,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2021-02-20 00:27:58,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-02-20 00:27:58,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-02-20 00:27:58,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-02-20 00:27:58,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-02-20 00:27:58,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-02-20 00:27:58,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2021-02-20 00:27:58,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-02-20 00:27:58,411 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,25 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-20 00:27:58,411 INFO L428 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-20 00:27:58,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-20 00:27:58,412 INFO L82 PathProgramCache]: Analyzing trace with hash 634919197, now seen corresponding path program 23 times [2021-02-20 00:27:58,412 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-20 00:27:58,412 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985791606] [2021-02-20 00:27:58,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-20 00:27:58,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:28:00,302 INFO L134 CoverageAnalysis]: Checked inductivity of 2249 backedges. 1154 proven. 1093 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-02-20 00:28:00,302 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1985791606] [2021-02-20 00:28:00,302 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [974276037] [2021-02-20 00:28:00,302 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 [2021-02-20 00:28:00,371 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 36 check-sat command(s) [2021-02-20 00:28:00,371 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-20 00:28:00,373 INFO L263 TraceCheckSpWp]: Trace formula consists of 396 conjuncts, 71 conjunts are in the unsatisfiable core [2021-02-20 00:28:00,374 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-20 00:28:04,351 INFO L134 CoverageAnalysis]: Checked inductivity of 2249 backedges. 1089 proven. 1160 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:28:04,352 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-20 00:28:04,352 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [70, 71] total 139 [2021-02-20 00:28:04,352 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1692581444] [2021-02-20 00:28:04,352 INFO L460 AbstractCegarLoop]: Interpolant automaton has 140 states [2021-02-20 00:28:04,353 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-20 00:28:04,353 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 140 interpolants. [2021-02-20 00:28:04,354 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3095, Invalid=16365, Unknown=0, NotChecked=0, Total=19460 [2021-02-20 00:28:04,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:28:04,355 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-20 00:28:04,355 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 140 states, 140 states have (on average 2.0785714285714287) internal successors, (291), 139 states have internal predecessors, (291), 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) [2021-02-20 00:28:04,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:28:04,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:28:04,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-20 00:28:04,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:28:04,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-20 00:28:04,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:28:04,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-20 00:28:04,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-02-20 00:28:04,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-02-20 00:28:04,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-02-20 00:28:04,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-02-20 00:28:04,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-20 00:28:04,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-02-20 00:28:04,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-02-20 00:28:04,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-02-20 00:28:04,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-02-20 00:28:04,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2021-02-20 00:28:04,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-02-20 00:28:04,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-02-20 00:28:04,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-02-20 00:28:04,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-02-20 00:28:04,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-02-20 00:28:04,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2021-02-20 00:28:04,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-02-20 00:28:04,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:28:10,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:28:10,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:28:10,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-20 00:28:10,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:28:10,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-20 00:28:10,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:28:10,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-20 00:28:10,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-20 00:28:10,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-02-20 00:28:10,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-20 00:28:10,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-02-20 00:28:10,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-20 00:28:10,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-02-20 00:28:10,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-02-20 00:28:10,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-02-20 00:28:10,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-02-20 00:28:10,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2021-02-20 00:28:10,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-02-20 00:28:10,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-02-20 00:28:10,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-02-20 00:28:10,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-02-20 00:28:10,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-02-20 00:28:10,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2021-02-20 00:28:10,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-02-20 00:28:10,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-02-20 00:28:11,040 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2021-02-20 00:28:11,041 INFO L428 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-20 00:28:11,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-20 00:28:11,041 INFO L82 PathProgramCache]: Analyzing trace with hash -1796262633, now seen corresponding path program 24 times [2021-02-20 00:28:11,041 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-20 00:28:11,041 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712128386] [2021-02-20 00:28:11,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-20 00:28:11,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:28:11,989 INFO L134 CoverageAnalysis]: Checked inductivity of 2450 backedges. 0 proven. 2450 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:28:11,989 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1712128386] [2021-02-20 00:28:11,989 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [751352292] [2021-02-20 00:28:11,989 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 [2021-02-20 00:28:12,062 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 36 check-sat command(s) [2021-02-20 00:28:12,063 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-20 00:28:12,065 INFO L263 TraceCheckSpWp]: Trace formula consists of 414 conjuncts, 143 conjunts are in the unsatisfiable core [2021-02-20 00:28:12,067 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-20 00:28:12,360 INFO L134 CoverageAnalysis]: Checked inductivity of 2450 backedges. 0 proven. 2450 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:28:12,361 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-20 00:28:12,361 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38, 38] total 38 [2021-02-20 00:28:12,361 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1333782461] [2021-02-20 00:28:12,361 INFO L460 AbstractCegarLoop]: Interpolant automaton has 38 states [2021-02-20 00:28:12,361 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-20 00:28:12,362 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2021-02-20 00:28:12,362 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=1333, Unknown=0, NotChecked=0, Total=1406 [2021-02-20 00:28:12,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:28:12,362 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-20 00:28:12,362 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 38 states, 38 states have (on average 4.078947368421052) internal successors, (155), 38 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) [2021-02-20 00:28:12,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:28:12,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:28:12,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-20 00:28:12,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:28:12,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-20 00:28:12,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:28:12,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-20 00:28:12,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-02-20 00:28:12,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-02-20 00:28:12,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-02-20 00:28:12,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-02-20 00:28:12,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-20 00:28:12,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-02-20 00:28:12,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-02-20 00:28:12,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-02-20 00:28:12,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-02-20 00:28:12,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2021-02-20 00:28:12,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-02-20 00:28:12,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-02-20 00:28:12,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-02-20 00:28:12,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-02-20 00:28:12,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-02-20 00:28:12,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2021-02-20 00:28:12,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-02-20 00:28:12,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-02-20 00:28:12,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:28:13,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:28:13,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:28:13,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-20 00:28:13,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:28:13,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-20 00:28:13,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:28:13,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-20 00:28:13,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-20 00:28:13,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-02-20 00:28:13,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-20 00:28:13,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-02-20 00:28:13,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-20 00:28:13,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-02-20 00:28:13,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-02-20 00:28:13,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-02-20 00:28:13,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-02-20 00:28:13,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2021-02-20 00:28:13,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-02-20 00:28:13,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-02-20 00:28:13,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-02-20 00:28:13,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-02-20 00:28:13,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-02-20 00:28:13,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2021-02-20 00:28:13,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-02-20 00:28:13,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-02-20 00:28:13,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-02-20 00:28:13,304 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2021-02-20 00:28:13,304 INFO L428 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-20 00:28:13,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-20 00:28:13,305 INFO L82 PathProgramCache]: Analyzing trace with hash -781397539, now seen corresponding path program 25 times [2021-02-20 00:28:13,305 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-20 00:28:13,305 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [550140629] [2021-02-20 00:28:13,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-20 00:28:13,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:28:15,617 INFO L134 CoverageAnalysis]: Checked inductivity of 2669 backedges. 1367 proven. 1300 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-02-20 00:28:15,618 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [550140629] [2021-02-20 00:28:15,618 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1648298405] [2021-02-20 00:28:15,618 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 [2021-02-20 00:28:15,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:28:15,682 INFO L263 TraceCheckSpWp]: Trace formula consists of 429 conjuncts, 77 conjunts are in the unsatisfiable core [2021-02-20 00:28:15,684 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-20 00:28:20,384 INFO L134 CoverageAnalysis]: Checked inductivity of 2669 backedges. 1296 proven. 1373 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:28:20,385 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-20 00:28:20,385 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [76, 77] total 151 [2021-02-20 00:28:20,385 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630775089] [2021-02-20 00:28:20,385 INFO L460 AbstractCegarLoop]: Interpolant automaton has 152 states [2021-02-20 00:28:20,385 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-20 00:28:20,386 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 152 interpolants. [2021-02-20 00:28:20,388 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3644, Invalid=19308, Unknown=0, NotChecked=0, Total=22952 [2021-02-20 00:28:20,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:28:20,388 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-20 00:28:20,388 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 152 states, 152 states have (on average 2.0723684210526314) internal successors, (315), 151 states have internal predecessors, (315), 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) [2021-02-20 00:28:20,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:28:20,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:28:20,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-20 00:28:20,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:28:20,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-20 00:28:20,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:28:20,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-20 00:28:20,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-02-20 00:28:20,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-02-20 00:28:20,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-02-20 00:28:20,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-02-20 00:28:20,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-20 00:28:20,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-02-20 00:28:20,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-02-20 00:28:20,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-02-20 00:28:20,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-02-20 00:28:20,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2021-02-20 00:28:20,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-02-20 00:28:20,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-02-20 00:28:20,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-02-20 00:28:20,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-02-20 00:28:20,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-02-20 00:28:20,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2021-02-20 00:28:20,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-02-20 00:28:20,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-02-20 00:28:20,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-02-20 00:28:20,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:28:29,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:28:29,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:28:29,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-20 00:28:29,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:28:29,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-20 00:28:29,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:28:29,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-20 00:28:29,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-20 00:28:29,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-02-20 00:28:29,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-20 00:28:29,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-02-20 00:28:29,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-20 00:28:29,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-02-20 00:28:29,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-02-20 00:28:29,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-02-20 00:28:29,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-02-20 00:28:29,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2021-02-20 00:28:29,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-02-20 00:28:29,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-02-20 00:28:29,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-02-20 00:28:29,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-02-20 00:28:29,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-02-20 00:28:29,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2021-02-20 00:28:29,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-02-20 00:28:29,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-02-20 00:28:29,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-02-20 00:28:29,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2021-02-20 00:28:29,396 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2021-02-20 00:28:29,396 INFO L428 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-20 00:28:29,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-20 00:28:29,397 INFO L82 PathProgramCache]: Analyzing trace with hash -157262377, now seen corresponding path program 26 times [2021-02-20 00:28:29,397 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-20 00:28:29,397 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1381453436] [2021-02-20 00:28:29,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-20 00:28:29,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:28:30,605 INFO L134 CoverageAnalysis]: Checked inductivity of 2888 backedges. 0 proven. 2888 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:28:30,605 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1381453436] [2021-02-20 00:28:30,605 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [915067604] [2021-02-20 00:28:30,605 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 [2021-02-20 00:28:30,667 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-02-20 00:28:30,667 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-20 00:28:30,669 INFO L263 TraceCheckSpWp]: Trace formula consists of 447 conjuncts, 155 conjunts are in the unsatisfiable core [2021-02-20 00:28:30,671 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-20 00:28:31,029 INFO L134 CoverageAnalysis]: Checked inductivity of 2888 backedges. 0 proven. 2888 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:28:31,029 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-20 00:28:31,029 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41, 41] total 41 [2021-02-20 00:28:31,029 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012384381] [2021-02-20 00:28:31,030 INFO L460 AbstractCegarLoop]: Interpolant automaton has 41 states [2021-02-20 00:28:31,030 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-20 00:28:31,030 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2021-02-20 00:28:31,030 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=1561, Unknown=0, NotChecked=0, Total=1640 [2021-02-20 00:28:31,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:28:31,030 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-20 00:28:31,030 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 41 states, 41 states have (on average 4.073170731707317) internal successors, (167), 41 states have internal predecessors, (167), 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) [2021-02-20 00:28:31,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:28:31,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:28:31,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-20 00:28:31,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:28:31,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-20 00:28:31,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:28:31,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-20 00:28:31,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-02-20 00:28:31,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-02-20 00:28:31,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-02-20 00:28:31,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-02-20 00:28:31,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-20 00:28:31,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-02-20 00:28:31,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-02-20 00:28:31,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-02-20 00:28:31,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-02-20 00:28:31,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2021-02-20 00:28:31,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-02-20 00:28:31,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-02-20 00:28:31,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-02-20 00:28:31,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-02-20 00:28:31,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-02-20 00:28:31,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2021-02-20 00:28:31,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-02-20 00:28:31,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-02-20 00:28:31,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-02-20 00:28:31,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 115 states. [2021-02-20 00:28:31,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:28:31,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:28:31,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:28:31,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-20 00:28:31,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:28:31,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-20 00:28:31,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:28:31,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-20 00:28:31,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-20 00:28:31,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-02-20 00:28:31,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-20 00:28:31,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-02-20 00:28:31,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-20 00:28:31,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-02-20 00:28:31,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-02-20 00:28:31,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-02-20 00:28:31,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-02-20 00:28:31,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2021-02-20 00:28:31,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-02-20 00:28:31,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-02-20 00:28:31,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-02-20 00:28:31,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-02-20 00:28:31,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-02-20 00:28:31,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2021-02-20 00:28:31,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-02-20 00:28:31,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-02-20 00:28:31,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-02-20 00:28:31,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2021-02-20 00:28:31,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-02-20 00:28:32,111 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2021-02-20 00:28:32,112 INFO L428 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-20 00:28:32,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-20 00:28:32,112 INFO L82 PathProgramCache]: Analyzing trace with hash -213581411, now seen corresponding path program 27 times [2021-02-20 00:28:32,112 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-20 00:28:32,112 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2059745098] [2021-02-20 00:28:32,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-20 00:28:32,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:28:34,808 INFO L134 CoverageAnalysis]: Checked inductivity of 3125 backedges. 1598 proven. 1525 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-02-20 00:28:34,808 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2059745098] [2021-02-20 00:28:34,808 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [292416041] [2021-02-20 00:28:34,808 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 [2021-02-20 00:28:34,915 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 42 check-sat command(s) [2021-02-20 00:28:34,915 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-20 00:28:34,918 INFO L263 TraceCheckSpWp]: Trace formula consists of 462 conjuncts, 83 conjunts are in the unsatisfiable core [2021-02-20 00:28:34,920 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-20 00:28:40,924 INFO L134 CoverageAnalysis]: Checked inductivity of 3125 backedges. 1521 proven. 1604 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:28:40,924 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-20 00:28:40,925 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [82, 83] total 163 [2021-02-20 00:28:40,925 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41303615] [2021-02-20 00:28:40,925 INFO L460 AbstractCegarLoop]: Interpolant automaton has 164 states [2021-02-20 00:28:40,925 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-20 00:28:40,926 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 164 interpolants. [2021-02-20 00:28:40,928 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=4238, Invalid=22494, Unknown=0, NotChecked=0, Total=26732 [2021-02-20 00:28:40,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:28:40,928 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-20 00:28:40,928 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 164 states, 164 states have (on average 2.067073170731707) internal successors, (339), 163 states have internal predecessors, (339), 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) [2021-02-20 00:28:40,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:28:40,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:28:40,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-20 00:28:40,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:28:40,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-20 00:28:40,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:28:40,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-20 00:28:40,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-02-20 00:28:40,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-02-20 00:28:40,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-02-20 00:28:40,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-02-20 00:28:40,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-20 00:28:40,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-02-20 00:28:40,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-02-20 00:28:40,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-02-20 00:28:40,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-02-20 00:28:40,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2021-02-20 00:28:40,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-02-20 00:28:40,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-02-20 00:28:40,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-02-20 00:28:40,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-02-20 00:28:40,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-02-20 00:28:40,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2021-02-20 00:28:40,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-02-20 00:28:40,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-02-20 00:28:40,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-02-20 00:28:40,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 115 states. [2021-02-20 00:28:40,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-02-20 00:28:40,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:28:50,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:28:50,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:28:50,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-20 00:28:50,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:28:50,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-20 00:28:50,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:28:50,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-20 00:28:50,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-20 00:28:50,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-02-20 00:28:50,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-20 00:28:50,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-02-20 00:28:50,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-20 00:28:50,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-02-20 00:28:50,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-02-20 00:28:50,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-02-20 00:28:50,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-02-20 00:28:50,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2021-02-20 00:28:50,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-02-20 00:28:50,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-02-20 00:28:50,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-02-20 00:28:50,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-02-20 00:28:50,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-02-20 00:28:50,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2021-02-20 00:28:50,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-02-20 00:28:50,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-02-20 00:28:50,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-02-20 00:28:50,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2021-02-20 00:28:50,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-02-20 00:28:50,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2021-02-20 00:28:50,722 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2021-02-20 00:28:50,722 INFO L428 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-20 00:28:50,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-20 00:28:50,722 INFO L82 PathProgramCache]: Analyzing trace with hash -1973437033, now seen corresponding path program 28 times [2021-02-20 00:28:50,722 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-20 00:28:50,723 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [604923285] [2021-02-20 00:28:50,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-20 00:28:50,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:28:52,178 INFO L134 CoverageAnalysis]: Checked inductivity of 3362 backedges. 0 proven. 3362 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:28:52,179 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [604923285] [2021-02-20 00:28:52,179 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1976411431] [2021-02-20 00:28:52,179 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 [2021-02-20 00:28:52,251 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-02-20 00:28:52,251 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-20 00:28:52,253 INFO L263 TraceCheckSpWp]: Trace formula consists of 480 conjuncts, 167 conjunts are in the unsatisfiable core [2021-02-20 00:28:52,255 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-20 00:28:52,693 INFO L134 CoverageAnalysis]: Checked inductivity of 3362 backedges. 0 proven. 3362 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:28:52,693 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-20 00:28:52,693 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [44, 44] total 44 [2021-02-20 00:28:52,693 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [699096597] [2021-02-20 00:28:52,697 INFO L460 AbstractCegarLoop]: Interpolant automaton has 44 states [2021-02-20 00:28:52,697 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-20 00:28:52,697 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2021-02-20 00:28:52,697 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=1807, Unknown=0, NotChecked=0, Total=1892 [2021-02-20 00:28:52,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:28:52,698 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-20 00:28:52,698 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 44 states, 44 states have (on average 4.068181818181818) internal successors, (179), 44 states have internal predecessors, (179), 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) [2021-02-20 00:28:52,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:28:52,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:28:52,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-20 00:28:52,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:28:52,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-20 00:28:52,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:28:52,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-20 00:28:52,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-02-20 00:28:52,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-02-20 00:28:52,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-02-20 00:28:52,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-02-20 00:28:52,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-20 00:28:52,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-02-20 00:28:52,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-02-20 00:28:52,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-02-20 00:28:52,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-02-20 00:28:52,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2021-02-20 00:28:52,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-02-20 00:28:52,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-02-20 00:28:52,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-02-20 00:28:52,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-02-20 00:28:52,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-02-20 00:28:52,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2021-02-20 00:28:52,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-02-20 00:28:52,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-02-20 00:28:52,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-02-20 00:28:52,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 115 states. [2021-02-20 00:28:52,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-02-20 00:28:52,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 124 states. [2021-02-20 00:28:52,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:28:53,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:28:53,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:28:53,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-20 00:28:53,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:28:53,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-20 00:28:53,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:28:53,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-20 00:28:53,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-20 00:28:53,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-02-20 00:28:53,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-20 00:28:53,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-02-20 00:28:53,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-20 00:28:53,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-02-20 00:28:53,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-02-20 00:28:53,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-02-20 00:28:53,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-02-20 00:28:53,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2021-02-20 00:28:53,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-02-20 00:28:53,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-02-20 00:28:53,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-02-20 00:28:53,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-02-20 00:28:53,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-02-20 00:28:53,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2021-02-20 00:28:53,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-02-20 00:28:53,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-02-20 00:28:53,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-02-20 00:28:53,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2021-02-20 00:28:53,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-02-20 00:28:53,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2021-02-20 00:28:53,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-02-20 00:28:54,032 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,31 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-20 00:28:54,032 INFO L428 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-20 00:28:54,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-20 00:28:54,033 INFO L82 PathProgramCache]: Analyzing trace with hash 777578589, now seen corresponding path program 29 times [2021-02-20 00:28:54,033 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-20 00:28:54,033 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [736704407] [2021-02-20 00:28:54,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-20 00:28:54,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:28:57,265 INFO L134 CoverageAnalysis]: Checked inductivity of 3617 backedges. 1847 proven. 1768 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-02-20 00:28:57,265 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [736704407] [2021-02-20 00:28:57,265 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2101590616] [2021-02-20 00:28:57,265 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 [2021-02-20 00:28:57,346 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 45 check-sat command(s) [2021-02-20 00:28:57,347 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-20 00:28:57,349 INFO L263 TraceCheckSpWp]: Trace formula consists of 495 conjuncts, 89 conjunts are in the unsatisfiable core [2021-02-20 00:28:57,351 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-20 00:29:04,507 INFO L134 CoverageAnalysis]: Checked inductivity of 3617 backedges. 1764 proven. 1853 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:29:04,507 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-20 00:29:04,507 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [88, 89] total 175 [2021-02-20 00:29:04,507 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996906844] [2021-02-20 00:29:04,508 INFO L460 AbstractCegarLoop]: Interpolant automaton has 176 states [2021-02-20 00:29:04,508 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-20 00:29:04,508 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 176 interpolants. [2021-02-20 00:29:04,509 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=4877, Invalid=25923, Unknown=0, NotChecked=0, Total=30800 [2021-02-20 00:29:04,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:29:04,509 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-20 00:29:04,510 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 176 states, 176 states have (on average 2.0625) internal successors, (363), 175 states have internal predecessors, (363), 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) [2021-02-20 00:29:04,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:29:04,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:29:04,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-20 00:29:04,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:29:04,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-20 00:29:04,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:29:04,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-20 00:29:04,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-02-20 00:29:04,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-02-20 00:29:04,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-02-20 00:29:04,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-02-20 00:29:04,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-20 00:29:04,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-02-20 00:29:04,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-02-20 00:29:04,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-02-20 00:29:04,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-02-20 00:29:04,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2021-02-20 00:29:04,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-02-20 00:29:04,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-02-20 00:29:04,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-02-20 00:29:04,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-02-20 00:29:04,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-02-20 00:29:04,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2021-02-20 00:29:04,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-02-20 00:29:04,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-02-20 00:29:04,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-02-20 00:29:04,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 115 states. [2021-02-20 00:29:04,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-02-20 00:29:04,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 124 states. [2021-02-20 00:29:04,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-02-20 00:29:04,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:29:17,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:29:17,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:29:17,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-20 00:29:17,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:29:17,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-20 00:29:17,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:29:17,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-20 00:29:17,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-20 00:29:17,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-02-20 00:29:17,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-20 00:29:17,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-02-20 00:29:17,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-20 00:29:17,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-02-20 00:29:17,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-02-20 00:29:17,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-02-20 00:29:17,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-02-20 00:29:17,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2021-02-20 00:29:17,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-02-20 00:29:17,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-02-20 00:29:17,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-02-20 00:29:17,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-02-20 00:29:17,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-02-20 00:29:17,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2021-02-20 00:29:17,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-02-20 00:29:17,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-02-20 00:29:17,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-02-20 00:29:17,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2021-02-20 00:29:17,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-02-20 00:29:17,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2021-02-20 00:29:17,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-02-20 00:29:17,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 133 states. [2021-02-20 00:29:18,010 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,32 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-20 00:29:18,010 INFO L428 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-20 00:29:18,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-20 00:29:18,010 INFO L82 PathProgramCache]: Analyzing trace with hash 133534807, now seen corresponding path program 30 times [2021-02-20 00:29:18,010 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-20 00:29:18,010 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1635072832] [2021-02-20 00:29:18,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-20 00:29:18,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:29:19,655 INFO L134 CoverageAnalysis]: Checked inductivity of 3872 backedges. 0 proven. 3872 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:29:19,655 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1635072832] [2021-02-20 00:29:19,655 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [285857174] [2021-02-20 00:29:19,655 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 [2021-02-20 00:29:19,793 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 45 check-sat command(s) [2021-02-20 00:29:19,794 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-20 00:29:19,797 INFO L263 TraceCheckSpWp]: Trace formula consists of 513 conjuncts, 179 conjunts are in the unsatisfiable core [2021-02-20 00:29:19,799 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-20 00:29:20,236 INFO L134 CoverageAnalysis]: Checked inductivity of 3872 backedges. 0 proven. 3872 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:29:20,236 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-20 00:29:20,236 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 47] total 47 [2021-02-20 00:29:20,240 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [738461375] [2021-02-20 00:29:20,241 INFO L460 AbstractCegarLoop]: Interpolant automaton has 47 states [2021-02-20 00:29:20,241 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-20 00:29:20,241 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2021-02-20 00:29:20,241 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=2071, Unknown=0, NotChecked=0, Total=2162 [2021-02-20 00:29:20,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:29:20,242 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-20 00:29:20,242 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 47 states, 47 states have (on average 4.0638297872340425) internal successors, (191), 47 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) [2021-02-20 00:29:20,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:29:20,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:29:20,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-20 00:29:20,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:29:20,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-20 00:29:20,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:29:20,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-20 00:29:20,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-02-20 00:29:20,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-02-20 00:29:20,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-02-20 00:29:20,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-02-20 00:29:20,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-20 00:29:20,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-02-20 00:29:20,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-02-20 00:29:20,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-02-20 00:29:20,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-02-20 00:29:20,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2021-02-20 00:29:20,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-02-20 00:29:20,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-02-20 00:29:20,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-02-20 00:29:20,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-02-20 00:29:20,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-02-20 00:29:20,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2021-02-20 00:29:20,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-02-20 00:29:20,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-02-20 00:29:20,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-02-20 00:29:20,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 115 states. [2021-02-20 00:29:20,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-02-20 00:29:20,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 124 states. [2021-02-20 00:29:20,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-02-20 00:29:20,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 133 states. [2021-02-20 00:29:20,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:29:21,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:29:21,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:29:21,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-20 00:29:21,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:29:21,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-20 00:29:21,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:29:21,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-20 00:29:21,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-20 00:29:21,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-02-20 00:29:21,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-20 00:29:21,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-02-20 00:29:21,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-20 00:29:21,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-02-20 00:29:21,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-02-20 00:29:21,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-02-20 00:29:21,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-02-20 00:29:21,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2021-02-20 00:29:21,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-02-20 00:29:21,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-02-20 00:29:21,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-02-20 00:29:21,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-02-20 00:29:21,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-02-20 00:29:21,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2021-02-20 00:29:21,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-02-20 00:29:21,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-02-20 00:29:21,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-02-20 00:29:21,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2021-02-20 00:29:21,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-02-20 00:29:21,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2021-02-20 00:29:21,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-02-20 00:29:21,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 133 states. [2021-02-20 00:29:21,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-02-20 00:29:21,710 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable31 [2021-02-20 00:29:21,710 INFO L428 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-20 00:29:21,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-20 00:29:21,711 INFO L82 PathProgramCache]: Analyzing trace with hash 36750877, now seen corresponding path program 31 times [2021-02-20 00:29:21,711 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-20 00:29:21,711 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [355107137] [2021-02-20 00:29:21,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-20 00:29:21,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:29:25,359 INFO L134 CoverageAnalysis]: Checked inductivity of 4145 backedges. 2114 proven. 2029 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-02-20 00:29:25,360 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [355107137] [2021-02-20 00:29:25,360 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1413990751] [2021-02-20 00:29:25,360 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 [2021-02-20 00:29:25,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:29:25,432 INFO L263 TraceCheckSpWp]: Trace formula consists of 528 conjuncts, 95 conjunts are in the unsatisfiable core [2021-02-20 00:29:25,434 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-20 00:29:33,632 INFO L134 CoverageAnalysis]: Checked inductivity of 4145 backedges. 2025 proven. 2120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:29:33,632 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-20 00:29:33,632 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [94, 95] total 187 [2021-02-20 00:29:33,632 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162638326] [2021-02-20 00:29:33,633 INFO L460 AbstractCegarLoop]: Interpolant automaton has 188 states [2021-02-20 00:29:33,633 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-20 00:29:33,634 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 188 interpolants. [2021-02-20 00:29:33,635 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5561, Invalid=29595, Unknown=0, NotChecked=0, Total=35156 [2021-02-20 00:29:33,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:29:33,635 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-20 00:29:33,635 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 188 states, 188 states have (on average 2.0585106382978724) internal successors, (387), 187 states have internal predecessors, (387), 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) [2021-02-20 00:29:33,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:29:33,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:29:33,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-20 00:29:33,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:29:33,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-20 00:29:33,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:29:33,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-20 00:29:33,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-02-20 00:29:33,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-02-20 00:29:33,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-02-20 00:29:33,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-02-20 00:29:33,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-20 00:29:33,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-02-20 00:29:33,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-02-20 00:29:33,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-02-20 00:29:33,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-02-20 00:29:33,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2021-02-20 00:29:33,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-02-20 00:29:33,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-02-20 00:29:33,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-02-20 00:29:33,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-02-20 00:29:33,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-02-20 00:29:33,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2021-02-20 00:29:33,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-02-20 00:29:33,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-02-20 00:29:33,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-02-20 00:29:33,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 115 states. [2021-02-20 00:29:33,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-02-20 00:29:33,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 124 states. [2021-02-20 00:29:33,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-02-20 00:29:33,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 133 states. [2021-02-20 00:29:33,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-02-20 00:29:33,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:29:48,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:29:48,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:29:48,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-20 00:29:48,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:29:48,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-20 00:29:48,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:29:48,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-20 00:29:48,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-20 00:29:48,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-02-20 00:29:48,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-20 00:29:48,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-02-20 00:29:48,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-20 00:29:48,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-02-20 00:29:48,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-02-20 00:29:48,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-02-20 00:29:48,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-02-20 00:29:48,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2021-02-20 00:29:48,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-02-20 00:29:48,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-02-20 00:29:48,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-02-20 00:29:48,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-02-20 00:29:48,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-02-20 00:29:48,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2021-02-20 00:29:48,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-02-20 00:29:48,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-02-20 00:29:48,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-02-20 00:29:48,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2021-02-20 00:29:48,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-02-20 00:29:48,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2021-02-20 00:29:48,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-02-20 00:29:48,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 133 states. [2021-02-20 00:29:48,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-02-20 00:29:48,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 142 states. [2021-02-20 00:29:48,810 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,34 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-20 00:29:48,810 INFO L428 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-20 00:29:48,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-20 00:29:48,810 INFO L82 PathProgramCache]: Analyzing trace with hash 1471816215, now seen corresponding path program 32 times [2021-02-20 00:29:48,811 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-20 00:29:48,811 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [893498840] [2021-02-20 00:29:48,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-20 00:29:48,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:29:50,888 INFO L134 CoverageAnalysis]: Checked inductivity of 4418 backedges. 0 proven. 4418 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:29:50,888 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [893498840] [2021-02-20 00:29:50,888 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [700425764] [2021-02-20 00:29:50,888 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 [2021-02-20 00:29:50,961 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-02-20 00:29:50,961 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-20 00:29:50,964 INFO L263 TraceCheckSpWp]: Trace formula consists of 546 conjuncts, 191 conjunts are in the unsatisfiable core [2021-02-20 00:29:50,967 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-20 00:29:51,576 INFO L134 CoverageAnalysis]: Checked inductivity of 4418 backedges. 0 proven. 4418 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:29:51,576 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-20 00:29:51,576 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [50, 50] total 50 [2021-02-20 00:29:51,576 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [9152119] [2021-02-20 00:29:51,577 INFO L460 AbstractCegarLoop]: Interpolant automaton has 50 states [2021-02-20 00:29:51,577 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-20 00:29:51,577 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2021-02-20 00:29:51,577 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=2353, Unknown=0, NotChecked=0, Total=2450 [2021-02-20 00:29:51,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:29:51,577 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-20 00:29:51,578 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 50 states, 50 states have (on average 4.06) internal successors, (203), 50 states have internal predecessors, (203), 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) [2021-02-20 00:29:51,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:29:51,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:29:51,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-20 00:29:51,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:29:51,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-20 00:29:51,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:29:51,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-20 00:29:51,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-02-20 00:29:51,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-02-20 00:29:51,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-02-20 00:29:51,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-02-20 00:29:51,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-20 00:29:51,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-02-20 00:29:51,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-02-20 00:29:51,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-02-20 00:29:51,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-02-20 00:29:51,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2021-02-20 00:29:51,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-02-20 00:29:51,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-02-20 00:29:51,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-02-20 00:29:51,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-02-20 00:29:51,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-02-20 00:29:51,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2021-02-20 00:29:51,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-02-20 00:29:51,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-02-20 00:29:51,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-02-20 00:29:51,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 115 states. [2021-02-20 00:29:51,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-02-20 00:29:51,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 124 states. [2021-02-20 00:29:51,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-02-20 00:29:51,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 133 states. [2021-02-20 00:29:51,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-02-20 00:29:51,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 142 states. [2021-02-20 00:29:51,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:29:53,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:29:53,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:29:53,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-20 00:29:53,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:29:53,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-20 00:29:53,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:29:53,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-20 00:29:53,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-20 00:29:53,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-02-20 00:29:53,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-20 00:29:53,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-02-20 00:29:53,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-20 00:29:53,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-02-20 00:29:53,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-02-20 00:29:53,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-02-20 00:29:53,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-02-20 00:29:53,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2021-02-20 00:29:53,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-02-20 00:29:53,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-02-20 00:29:53,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-02-20 00:29:53,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-02-20 00:29:53,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-02-20 00:29:53,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2021-02-20 00:29:53,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-02-20 00:29:53,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-02-20 00:29:53,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-02-20 00:29:53,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2021-02-20 00:29:53,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-02-20 00:29:53,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2021-02-20 00:29:53,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-02-20 00:29:53,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 133 states. [2021-02-20 00:29:53,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-02-20 00:29:53,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 142 states. [2021-02-20 00:29:53,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-02-20 00:29:53,463 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2021-02-20 00:29:53,464 INFO L428 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-20 00:29:53,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-20 00:29:53,464 INFO L82 PathProgramCache]: Analyzing trace with hash 2128927453, now seen corresponding path program 33 times [2021-02-20 00:29:53,464 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-20 00:29:53,464 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1538057332] [2021-02-20 00:29:53,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-20 00:29:53,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:29:58,045 INFO L134 CoverageAnalysis]: Checked inductivity of 4709 backedges. 2399 proven. 2308 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-02-20 00:29:58,045 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1538057332] [2021-02-20 00:29:58,045 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1566283947] [2021-02-20 00:29:58,045 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 [2021-02-20 00:29:58,154 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 51 check-sat command(s) [2021-02-20 00:29:58,155 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-20 00:29:58,157 INFO L263 TraceCheckSpWp]: Trace formula consists of 561 conjuncts, 101 conjunts are in the unsatisfiable core [2021-02-20 00:29:58,159 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-20 00:30:08,975 INFO L134 CoverageAnalysis]: Checked inductivity of 4709 backedges. 2304 proven. 2405 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:30:08,975 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-20 00:30:08,975 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [100, 101] total 199 [2021-02-20 00:30:08,975 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [195722286] [2021-02-20 00:30:08,976 INFO L460 AbstractCegarLoop]: Interpolant automaton has 200 states [2021-02-20 00:30:08,976 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-20 00:30:08,977 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 200 interpolants. [2021-02-20 00:30:08,978 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6290, Invalid=33510, Unknown=0, NotChecked=0, Total=39800 [2021-02-20 00:30:08,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:30:08,979 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-20 00:30:08,979 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 200 states, 200 states have (on average 2.055) internal successors, (411), 199 states have internal predecessors, (411), 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) [2021-02-20 00:30:08,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:30:08,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:30:08,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-20 00:30:08,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:30:08,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-20 00:30:08,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:30:08,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-20 00:30:08,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-02-20 00:30:08,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-02-20 00:30:08,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-02-20 00:30:08,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-02-20 00:30:08,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-20 00:30:08,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-02-20 00:30:08,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-02-20 00:30:08,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-02-20 00:30:08,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-02-20 00:30:08,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2021-02-20 00:30:08,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-02-20 00:30:08,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-02-20 00:30:08,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-02-20 00:30:08,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-02-20 00:30:08,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-02-20 00:30:08,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2021-02-20 00:30:08,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-02-20 00:30:08,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-02-20 00:30:08,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-02-20 00:30:08,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 115 states. [2021-02-20 00:30:08,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-02-20 00:30:08,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 124 states. [2021-02-20 00:30:08,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-02-20 00:30:08,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 133 states. [2021-02-20 00:30:08,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-02-20 00:30:08,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 142 states. [2021-02-20 00:30:08,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-02-20 00:30:08,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:30:27,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:30:27,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:30:27,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-20 00:30:27,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:30:27,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-20 00:30:27,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:30:27,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-20 00:30:27,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-20 00:30:27,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-02-20 00:30:27,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-20 00:30:27,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-02-20 00:30:27,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-20 00:30:27,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-02-20 00:30:27,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-02-20 00:30:27,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-02-20 00:30:27,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-02-20 00:30:27,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2021-02-20 00:30:27,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-02-20 00:30:27,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-02-20 00:30:27,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-02-20 00:30:27,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-02-20 00:30:27,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-02-20 00:30:27,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2021-02-20 00:30:27,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-02-20 00:30:27,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-02-20 00:30:27,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-02-20 00:30:27,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2021-02-20 00:30:27,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-02-20 00:30:27,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2021-02-20 00:30:27,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-02-20 00:30:27,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 133 states. [2021-02-20 00:30:27,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-02-20 00:30:27,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 142 states. [2021-02-20 00:30:27,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-02-20 00:30:27,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 151 states. [2021-02-20 00:30:28,199 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,36 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-20 00:30:28,200 INFO L428 AbstractCegarLoop]: === Iteration 36 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-20 00:30:28,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-20 00:30:28,200 INFO L82 PathProgramCache]: Analyzing trace with hash 1184212695, now seen corresponding path program 34 times [2021-02-20 00:30:28,200 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-20 00:30:28,200 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115341305] [2021-02-20 00:30:28,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-20 00:30:28,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:30:31,098 INFO L134 CoverageAnalysis]: Checked inductivity of 5000 backedges. 0 proven. 5000 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:30:31,098 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [115341305] [2021-02-20 00:30:31,098 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1480327995] [2021-02-20 00:30:31,098 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 [2021-02-20 00:30:31,215 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-02-20 00:30:31,215 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-20 00:30:31,218 INFO L263 TraceCheckSpWp]: Trace formula consists of 579 conjuncts, 203 conjunts are in the unsatisfiable core [2021-02-20 00:30:31,220 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-20 00:30:31,991 INFO L134 CoverageAnalysis]: Checked inductivity of 5000 backedges. 0 proven. 5000 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:30:31,991 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-20 00:30:31,991 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [53, 53] total 53 [2021-02-20 00:30:31,991 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466887621] [2021-02-20 00:30:31,992 INFO L460 AbstractCegarLoop]: Interpolant automaton has 53 states [2021-02-20 00:30:31,992 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-20 00:30:31,992 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2021-02-20 00:30:31,992 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=2653, Unknown=0, NotChecked=0, Total=2756 [2021-02-20 00:30:31,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:30:31,992 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-20 00:30:31,993 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 53 states, 53 states have (on average 4.056603773584905) internal successors, (215), 53 states have internal predecessors, (215), 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) [2021-02-20 00:30:31,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:30:31,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:30:31,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-20 00:30:31,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:30:31,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-20 00:30:31,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:30:31,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-20 00:30:31,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-02-20 00:30:31,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-02-20 00:30:31,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-02-20 00:30:31,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-02-20 00:30:31,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-20 00:30:31,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-02-20 00:30:31,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-02-20 00:30:31,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-02-20 00:30:31,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-02-20 00:30:31,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2021-02-20 00:30:31,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-02-20 00:30:31,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-02-20 00:30:31,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-02-20 00:30:31,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-02-20 00:30:31,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-02-20 00:30:31,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2021-02-20 00:30:31,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-02-20 00:30:31,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-02-20 00:30:31,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-02-20 00:30:31,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 115 states. [2021-02-20 00:30:31,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-02-20 00:30:31,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 124 states. [2021-02-20 00:30:31,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-02-20 00:30:31,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 133 states. [2021-02-20 00:30:31,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-02-20 00:30:31,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 142 states. [2021-02-20 00:30:31,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-02-20 00:30:31,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 151 states. [2021-02-20 00:30:31,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:30:34,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:30:34,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:30:34,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-20 00:30:34,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:30:34,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-20 00:30:34,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:30:34,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-20 00:30:34,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-20 00:30:34,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-02-20 00:30:34,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-20 00:30:34,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-02-20 00:30:34,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-20 00:30:34,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-02-20 00:30:34,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-02-20 00:30:34,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-02-20 00:30:34,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-02-20 00:30:34,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2021-02-20 00:30:34,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-02-20 00:30:34,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-02-20 00:30:34,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-02-20 00:30:34,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-02-20 00:30:34,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-02-20 00:30:34,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2021-02-20 00:30:34,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-02-20 00:30:34,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-02-20 00:30:34,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-02-20 00:30:34,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2021-02-20 00:30:34,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-02-20 00:30:34,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2021-02-20 00:30:34,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-02-20 00:30:34,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 133 states. [2021-02-20 00:30:34,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-02-20 00:30:34,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 142 states. [2021-02-20 00:30:34,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-02-20 00:30:34,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 151 states. [2021-02-20 00:30:34,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-02-20 00:30:34,891 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2021-02-20 00:30:34,891 INFO L428 AbstractCegarLoop]: === Iteration 37 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-20 00:30:34,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-20 00:30:34,892 INFO L82 PathProgramCache]: Analyzing trace with hash -115513699, now seen corresponding path program 35 times [2021-02-20 00:30:34,892 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-20 00:30:34,892 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984347200] [2021-02-20 00:30:34,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-20 00:30:34,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:30:41,195 INFO L134 CoverageAnalysis]: Checked inductivity of 5309 backedges. 2702 proven. 2605 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-02-20 00:30:41,195 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [984347200] [2021-02-20 00:30:41,195 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [777403732] [2021-02-20 00:30:41,195 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 [2021-02-20 00:30:41,297 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 54 check-sat command(s) [2021-02-20 00:30:41,297 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-20 00:30:41,300 INFO L263 TraceCheckSpWp]: Trace formula consists of 594 conjuncts, 107 conjunts are in the unsatisfiable core [2021-02-20 00:30:41,302 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-20 00:30:55,960 INFO L134 CoverageAnalysis]: Checked inductivity of 5309 backedges. 2601 proven. 2708 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:30:55,961 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-20 00:30:55,961 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [106, 107] total 211 [2021-02-20 00:30:55,961 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [22650600] [2021-02-20 00:30:55,961 INFO L460 AbstractCegarLoop]: Interpolant automaton has 212 states [2021-02-20 00:30:55,961 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-20 00:30:55,962 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 212 interpolants. [2021-02-20 00:30:55,964 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7064, Invalid=37668, Unknown=0, NotChecked=0, Total=44732 [2021-02-20 00:30:55,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:30:55,964 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-20 00:30:55,965 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 212 states, 212 states have (on average 2.05188679245283) internal successors, (435), 211 states have internal predecessors, (435), 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) [2021-02-20 00:30:55,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:30:55,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:30:55,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-20 00:30:55,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:30:55,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-20 00:30:55,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:30:55,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-20 00:30:55,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-02-20 00:30:55,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-02-20 00:30:55,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-02-20 00:30:55,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-02-20 00:30:55,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-20 00:30:55,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-02-20 00:30:55,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-02-20 00:30:55,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-02-20 00:30:55,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-02-20 00:30:55,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2021-02-20 00:30:55,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-02-20 00:30:55,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-02-20 00:30:55,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-02-20 00:30:55,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-02-20 00:30:55,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-02-20 00:30:55,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2021-02-20 00:30:55,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-02-20 00:30:55,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-02-20 00:30:55,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-02-20 00:30:55,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 115 states. [2021-02-20 00:30:55,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-02-20 00:30:55,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 124 states. [2021-02-20 00:30:55,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-02-20 00:30:55,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 133 states. [2021-02-20 00:30:55,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-02-20 00:30:55,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 142 states. [2021-02-20 00:30:55,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-02-20 00:30:55,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 151 states. [2021-02-20 00:30:55,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-02-20 00:30:55,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:31:22,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:31:22,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:31:22,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-20 00:31:22,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:31:22,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-20 00:31:22,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:31:22,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-20 00:31:22,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-20 00:31:22,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-02-20 00:31:22,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-20 00:31:22,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-02-20 00:31:22,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-20 00:31:22,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-02-20 00:31:22,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-02-20 00:31:22,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-02-20 00:31:22,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-02-20 00:31:22,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2021-02-20 00:31:22,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-02-20 00:31:22,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-02-20 00:31:22,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-02-20 00:31:22,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-02-20 00:31:22,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-02-20 00:31:22,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2021-02-20 00:31:22,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-02-20 00:31:22,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-02-20 00:31:22,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-02-20 00:31:22,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2021-02-20 00:31:22,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-02-20 00:31:22,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2021-02-20 00:31:22,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-02-20 00:31:22,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 133 states. [2021-02-20 00:31:22,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-02-20 00:31:22,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 142 states. [2021-02-20 00:31:22,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-02-20 00:31:22,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 151 states. [2021-02-20 00:31:22,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-02-20 00:31:22,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 160 states. [2021-02-20 00:31:22,816 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2021-02-20 00:31:22,817 INFO L428 AbstractCegarLoop]: === Iteration 38 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-20 00:31:22,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-20 00:31:22,817 INFO L82 PathProgramCache]: Analyzing trace with hash 973103767, now seen corresponding path program 36 times [2021-02-20 00:31:22,817 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-20 00:31:22,817 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949564651] [2021-02-20 00:31:22,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-20 00:31:22,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:31:27,181 INFO L134 CoverageAnalysis]: Checked inductivity of 5618 backedges. 0 proven. 5618 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:31:27,181 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [949564651] [2021-02-20 00:31:27,181 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [109867590] [2021-02-20 00:31:27,181 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 39 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 39 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-20 00:31:27,295 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 54 check-sat command(s) [2021-02-20 00:31:27,295 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-20 00:31:27,299 INFO L263 TraceCheckSpWp]: Trace formula consists of 612 conjuncts, 215 conjunts are in the unsatisfiable core [2021-02-20 00:31:27,302 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-20 00:31:28,396 INFO L134 CoverageAnalysis]: Checked inductivity of 5618 backedges. 0 proven. 5618 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:31:28,396 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-20 00:31:28,396 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [56, 56] total 56 [2021-02-20 00:31:28,397 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053165187] [2021-02-20 00:31:28,397 INFO L460 AbstractCegarLoop]: Interpolant automaton has 56 states [2021-02-20 00:31:28,397 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-20 00:31:28,397 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2021-02-20 00:31:28,398 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=2971, Unknown=0, NotChecked=0, Total=3080 [2021-02-20 00:31:28,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:31:28,398 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-20 00:31:28,398 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 56 states, 56 states have (on average 4.053571428571429) internal successors, (227), 56 states have internal predecessors, (227), 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) [2021-02-20 00:31:28,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:31:28,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:31:28,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-20 00:31:28,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:31:28,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-20 00:31:28,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:31:28,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-20 00:31:28,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-02-20 00:31:28,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-02-20 00:31:28,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-02-20 00:31:28,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-02-20 00:31:28,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-20 00:31:28,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-02-20 00:31:28,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-02-20 00:31:28,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-02-20 00:31:28,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-02-20 00:31:28,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2021-02-20 00:31:28,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-02-20 00:31:28,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-02-20 00:31:28,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-02-20 00:31:28,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-02-20 00:31:28,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-02-20 00:31:28,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2021-02-20 00:31:28,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-02-20 00:31:28,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-02-20 00:31:28,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-02-20 00:31:28,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 115 states. [2021-02-20 00:31:28,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-02-20 00:31:28,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 124 states. [2021-02-20 00:31:28,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-02-20 00:31:28,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 133 states. [2021-02-20 00:31:28,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-02-20 00:31:28,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 142 states. [2021-02-20 00:31:28,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-02-20 00:31:28,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 151 states. [2021-02-20 00:31:28,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-02-20 00:31:28,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 160 states. [2021-02-20 00:31:28,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:31:32,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:31:32,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:31:32,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-20 00:31:32,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:31:32,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-20 00:31:32,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:31:32,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-20 00:31:32,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-20 00:31:32,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-02-20 00:31:32,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-20 00:31:32,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-02-20 00:31:32,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-20 00:31:32,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-02-20 00:31:32,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-02-20 00:31:32,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-02-20 00:31:32,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-02-20 00:31:32,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2021-02-20 00:31:32,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-02-20 00:31:32,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-02-20 00:31:32,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-02-20 00:31:32,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-02-20 00:31:32,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-02-20 00:31:32,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2021-02-20 00:31:32,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-02-20 00:31:32,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-02-20 00:31:32,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-02-20 00:31:32,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2021-02-20 00:31:32,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-02-20 00:31:32,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2021-02-20 00:31:32,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-02-20 00:31:32,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 133 states. [2021-02-20 00:31:32,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-02-20 00:31:32,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 142 states. [2021-02-20 00:31:32,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-02-20 00:31:32,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 151 states. [2021-02-20 00:31:32,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-02-20 00:31:32,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 160 states. [2021-02-20 00:31:32,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-02-20 00:31:32,619 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2021-02-20 00:31:32,619 INFO L428 AbstractCegarLoop]: === Iteration 39 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-20 00:31:32,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-20 00:31:32,620 INFO L82 PathProgramCache]: Analyzing trace with hash -1106073251, now seen corresponding path program 37 times [2021-02-20 00:31:32,620 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-20 00:31:32,620 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260612336] [2021-02-20 00:31:32,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-20 00:31:32,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:31:41,254 INFO L134 CoverageAnalysis]: Checked inductivity of 5945 backedges. 3023 proven. 2920 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-02-20 00:31:41,254 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [260612336] [2021-02-20 00:31:41,254 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [198069008] [2021-02-20 00:31:41,255 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 40 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 40 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-20 00:31:41,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:31:41,338 INFO L263 TraceCheckSpWp]: Trace formula consists of 627 conjuncts, 113 conjunts are in the unsatisfiable core [2021-02-20 00:31:41,340 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-20 00:32:01,369 INFO L134 CoverageAnalysis]: Checked inductivity of 5945 backedges. 2916 proven. 3029 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:32:01,370 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-20 00:32:01,370 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [112, 113] total 223 [2021-02-20 00:32:01,370 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [567626901] [2021-02-20 00:32:01,371 INFO L460 AbstractCegarLoop]: Interpolant automaton has 224 states [2021-02-20 00:32:01,371 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-20 00:32:01,372 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 224 interpolants. [2021-02-20 00:32:01,374 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7883, Invalid=42069, Unknown=0, NotChecked=0, Total=49952 [2021-02-20 00:32:01,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:32:01,374 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-20 00:32:01,374 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 224 states, 224 states have (on average 2.049107142857143) internal successors, (459), 223 states have internal predecessors, (459), 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) [2021-02-20 00:32:01,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:32:01,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:32:01,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-20 00:32:01,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:32:01,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-20 00:32:01,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:32:01,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-20 00:32:01,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-02-20 00:32:01,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-02-20 00:32:01,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-02-20 00:32:01,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-02-20 00:32:01,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-20 00:32:01,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-02-20 00:32:01,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-02-20 00:32:01,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-02-20 00:32:01,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-02-20 00:32:01,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2021-02-20 00:32:01,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-02-20 00:32:01,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-02-20 00:32:01,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-02-20 00:32:01,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-02-20 00:32:01,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-02-20 00:32:01,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2021-02-20 00:32:01,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-02-20 00:32:01,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-02-20 00:32:01,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-02-20 00:32:01,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 115 states. [2021-02-20 00:32:01,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-02-20 00:32:01,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 124 states. [2021-02-20 00:32:01,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-02-20 00:32:01,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 133 states. [2021-02-20 00:32:01,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-02-20 00:32:01,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 142 states. [2021-02-20 00:32:01,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-02-20 00:32:01,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 151 states. [2021-02-20 00:32:01,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-02-20 00:32:01,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 160 states. [2021-02-20 00:32:01,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-02-20 00:32:01,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:32:38,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:32:38,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:32:38,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-20 00:32:38,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:32:38,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-20 00:32:38,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:32:38,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-20 00:32:38,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-20 00:32:38,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-02-20 00:32:38,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-20 00:32:38,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-02-20 00:32:38,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-20 00:32:38,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-02-20 00:32:38,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-02-20 00:32:38,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-02-20 00:32:38,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-02-20 00:32:38,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2021-02-20 00:32:38,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-02-20 00:32:38,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-02-20 00:32:38,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-02-20 00:32:38,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-02-20 00:32:38,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-02-20 00:32:38,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2021-02-20 00:32:38,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-02-20 00:32:38,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-02-20 00:32:38,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-02-20 00:32:38,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2021-02-20 00:32:38,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-02-20 00:32:38,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2021-02-20 00:32:38,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-02-20 00:32:38,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 133 states. [2021-02-20 00:32:38,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-02-20 00:32:38,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 142 states. [2021-02-20 00:32:38,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-02-20 00:32:38,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 151 states. [2021-02-20 00:32:38,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-02-20 00:32:38,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 160 states. [2021-02-20 00:32:38,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-02-20 00:32:38,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 169 states. [2021-02-20 00:32:38,428 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2021-02-20 00:32:38,428 INFO L428 AbstractCegarLoop]: === Iteration 40 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-20 00:32:38,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-20 00:32:38,428 INFO L82 PathProgramCache]: Analyzing trace with hash -469592745, now seen corresponding path program 38 times [2021-02-20 00:32:38,428 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-20 00:32:38,428 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [27801705] [2021-02-20 00:32:38,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-20 00:32:38,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:32:43,739 INFO L134 CoverageAnalysis]: Checked inductivity of 6272 backedges. 0 proven. 6272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:32:43,740 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [27801705] [2021-02-20 00:32:43,740 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [590659748] [2021-02-20 00:32:43,740 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 41 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 41 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-20 00:32:43,822 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-02-20 00:32:43,822 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-20 00:32:43,825 INFO L263 TraceCheckSpWp]: Trace formula consists of 645 conjuncts, 227 conjunts are in the unsatisfiable core [2021-02-20 00:32:43,827 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-20 00:32:45,035 INFO L134 CoverageAnalysis]: Checked inductivity of 6272 backedges. 0 proven. 6272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:32:45,035 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-20 00:32:45,035 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [59, 59] total 59 [2021-02-20 00:32:45,035 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228705960] [2021-02-20 00:32:45,036 INFO L460 AbstractCegarLoop]: Interpolant automaton has 59 states [2021-02-20 00:32:45,036 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-20 00:32:45,036 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 59 interpolants. [2021-02-20 00:32:45,036 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=115, Invalid=3307, Unknown=0, NotChecked=0, Total=3422 [2021-02-20 00:32:45,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:32:45,036 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-20 00:32:45,037 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 59 states, 59 states have (on average 4.0508474576271185) internal successors, (239), 59 states have internal predecessors, (239), 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) [2021-02-20 00:32:45,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:32:45,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:32:45,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-20 00:32:45,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:32:45,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-20 00:32:45,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:32:45,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-20 00:32:45,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-02-20 00:32:45,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-02-20 00:32:45,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-02-20 00:32:45,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-02-20 00:32:45,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-20 00:32:45,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-02-20 00:32:45,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-02-20 00:32:45,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-02-20 00:32:45,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-02-20 00:32:45,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2021-02-20 00:32:45,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-02-20 00:32:45,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-02-20 00:32:45,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-02-20 00:32:45,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-02-20 00:32:45,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-02-20 00:32:45,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2021-02-20 00:32:45,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-02-20 00:32:45,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-02-20 00:32:45,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-02-20 00:32:45,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 115 states. [2021-02-20 00:32:45,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-02-20 00:32:45,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 124 states. [2021-02-20 00:32:45,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-02-20 00:32:45,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 133 states. [2021-02-20 00:32:45,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-02-20 00:32:45,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 142 states. [2021-02-20 00:32:45,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-02-20 00:32:45,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 151 states. [2021-02-20 00:32:45,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-02-20 00:32:45,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 160 states. [2021-02-20 00:32:45,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-02-20 00:32:45,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 169 states. [2021-02-20 00:32:45,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:32:49,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:32:49,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:32:49,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-20 00:32:49,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:32:49,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-20 00:32:49,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:32:49,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-20 00:32:49,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-20 00:32:49,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-02-20 00:32:49,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-20 00:32:49,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-02-20 00:32:49,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-20 00:32:49,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-02-20 00:32:49,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-02-20 00:32:49,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-02-20 00:32:49,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-02-20 00:32:49,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2021-02-20 00:32:49,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-02-20 00:32:49,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-02-20 00:32:49,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-02-20 00:32:49,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-02-20 00:32:49,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-02-20 00:32:49,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2021-02-20 00:32:49,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-02-20 00:32:49,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-02-20 00:32:49,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-02-20 00:32:49,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2021-02-20 00:32:49,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-02-20 00:32:49,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2021-02-20 00:32:49,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-02-20 00:32:49,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 133 states. [2021-02-20 00:32:49,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-02-20 00:32:49,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 142 states. [2021-02-20 00:32:49,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-02-20 00:32:49,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 151 states. [2021-02-20 00:32:49,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-02-20 00:32:49,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 160 states. [2021-02-20 00:32:49,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-02-20 00:32:49,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 169 states. [2021-02-20 00:32:49,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2021-02-20 00:32:49,965 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2021-02-20 00:32:49,966 INFO L428 AbstractCegarLoop]: === Iteration 41 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-20 00:32:49,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-20 00:32:49,966 INFO L82 PathProgramCache]: Analyzing trace with hash -947068131, now seen corresponding path program 39 times [2021-02-20 00:32:49,966 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-20 00:32:49,966 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416953394] [2021-02-20 00:32:49,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-20 00:32:50,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:33:00,842 INFO L134 CoverageAnalysis]: Checked inductivity of 6617 backedges. 3362 proven. 3253 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-02-20 00:33:00,842 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1416953394] [2021-02-20 00:33:00,842 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1908824257] [2021-02-20 00:33:00,842 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 42 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 42 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-20 00:33:00,973 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 60 check-sat command(s) [2021-02-20 00:33:00,973 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-20 00:33:00,976 INFO L263 TraceCheckSpWp]: Trace formula consists of 660 conjuncts, 119 conjunts are in the unsatisfiable core [2021-02-20 00:33:00,978 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-20 00:33:28,996 INFO L134 CoverageAnalysis]: Checked inductivity of 6617 backedges. 3249 proven. 3368 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:33:28,997 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-20 00:33:28,997 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [118, 119] total 235 [2021-02-20 00:33:28,997 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1719542702] [2021-02-20 00:33:28,997 INFO L460 AbstractCegarLoop]: Interpolant automaton has 236 states [2021-02-20 00:33:28,997 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-20 00:33:28,998 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 236 interpolants. [2021-02-20 00:33:29,000 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8747, Invalid=46713, Unknown=0, NotChecked=0, Total=55460 [2021-02-20 00:33:29,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:33:29,000 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-20 00:33:29,001 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 236 states, 236 states have (on average 2.0466101694915255) internal successors, (483), 235 states have internal predecessors, (483), 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) [2021-02-20 00:33:29,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:33:29,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:33:29,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-20 00:33:29,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:33:29,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-20 00:33:29,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:33:29,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-20 00:33:29,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-02-20 00:33:29,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-02-20 00:33:29,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-02-20 00:33:29,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-02-20 00:33:29,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-20 00:33:29,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-02-20 00:33:29,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-02-20 00:33:29,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-02-20 00:33:29,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-02-20 00:33:29,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2021-02-20 00:33:29,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-02-20 00:33:29,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-02-20 00:33:29,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-02-20 00:33:29,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-02-20 00:33:29,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-02-20 00:33:29,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2021-02-20 00:33:29,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-02-20 00:33:29,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-02-20 00:33:29,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-02-20 00:33:29,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 115 states. [2021-02-20 00:33:29,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-02-20 00:33:29,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 124 states. [2021-02-20 00:33:29,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-02-20 00:33:29,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 133 states. [2021-02-20 00:33:29,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-02-20 00:33:29,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 142 states. [2021-02-20 00:33:29,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-02-20 00:33:29,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 151 states. [2021-02-20 00:33:29,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-02-20 00:33:29,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 160 states. [2021-02-20 00:33:29,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-02-20 00:33:29,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 169 states. [2021-02-20 00:33:29,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2021-02-20 00:33:29,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:34:21,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:34:21,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:34:21,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-20 00:34:21,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:34:21,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-20 00:34:21,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:34:21,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-20 00:34:21,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-20 00:34:21,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-02-20 00:34:21,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-20 00:34:21,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-02-20 00:34:21,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-20 00:34:21,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-02-20 00:34:21,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-02-20 00:34:21,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-02-20 00:34:21,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-02-20 00:34:21,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2021-02-20 00:34:21,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-02-20 00:34:21,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-02-20 00:34:21,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-02-20 00:34:21,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-02-20 00:34:21,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-02-20 00:34:21,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2021-02-20 00:34:21,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-02-20 00:34:21,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-02-20 00:34:21,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-02-20 00:34:21,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2021-02-20 00:34:21,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-02-20 00:34:21,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2021-02-20 00:34:21,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-02-20 00:34:21,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 133 states. [2021-02-20 00:34:21,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-02-20 00:34:21,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 142 states. [2021-02-20 00:34:21,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-02-20 00:34:21,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 151 states. [2021-02-20 00:34:21,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-02-20 00:34:21,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 160 states. [2021-02-20 00:34:21,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-02-20 00:34:21,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 169 states. [2021-02-20 00:34:21,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2021-02-20 00:34:21,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 178 states. [2021-02-20 00:34:21,784 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,42 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-20 00:34:21,785 INFO L428 AbstractCegarLoop]: === Iteration 42 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-20 00:34:21,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-20 00:34:21,785 INFO L82 PathProgramCache]: Analyzing trace with hash -147554537, now seen corresponding path program 40 times [2021-02-20 00:34:21,785 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-20 00:34:21,785 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878832504] [2021-02-20 00:34:21,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-20 00:34:21,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:34:29,608 INFO L134 CoverageAnalysis]: Checked inductivity of 6962 backedges. 0 proven. 6962 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:34:29,608 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878832504] [2021-02-20 00:34:29,608 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [398287355] [2021-02-20 00:34:29,608 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 43 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 43 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-20 00:34:29,707 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-02-20 00:34:29,707 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-20 00:34:29,711 INFO L263 TraceCheckSpWp]: Trace formula consists of 678 conjuncts, 239 conjunts are in the unsatisfiable core [2021-02-20 00:34:29,714 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-20 00:34:31,566 INFO L134 CoverageAnalysis]: Checked inductivity of 6962 backedges. 0 proven. 6962 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:34:31,567 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-20 00:34:31,567 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [62, 62] total 62 [2021-02-20 00:34:31,567 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939999544] [2021-02-20 00:34:31,567 INFO L460 AbstractCegarLoop]: Interpolant automaton has 62 states [2021-02-20 00:34:31,567 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-20 00:34:31,568 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2021-02-20 00:34:31,568 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=3661, Unknown=0, NotChecked=0, Total=3782 [2021-02-20 00:34:31,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:34:31,568 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-20 00:34:31,568 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 62 states, 62 states have (on average 4.048387096774194) internal successors, (251), 62 states have internal predecessors, (251), 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) [2021-02-20 00:34:31,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:34:31,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:34:31,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-20 00:34:31,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:34:31,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-20 00:34:31,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:34:31,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-20 00:34:31,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-02-20 00:34:31,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-02-20 00:34:31,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-02-20 00:34:31,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-02-20 00:34:31,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-02-20 00:34:31,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-02-20 00:34:31,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-02-20 00:34:31,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-02-20 00:34:31,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-02-20 00:34:31,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2021-02-20 00:34:31,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-02-20 00:34:31,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-02-20 00:34:31,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-02-20 00:34:31,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-02-20 00:34:31,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-02-20 00:34:31,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2021-02-20 00:34:31,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-02-20 00:34:31,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-02-20 00:34:31,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-02-20 00:34:31,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 115 states. [2021-02-20 00:34:31,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-02-20 00:34:31,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 124 states. [2021-02-20 00:34:31,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-02-20 00:34:31,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 133 states. [2021-02-20 00:34:31,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-02-20 00:34:31,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 142 states. [2021-02-20 00:34:31,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-02-20 00:34:31,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 151 states. [2021-02-20 00:34:31,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-02-20 00:34:31,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 160 states. [2021-02-20 00:34:31,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-02-20 00:34:31,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 169 states. [2021-02-20 00:34:31,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2021-02-20 00:34:31,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 178 states. [2021-02-20 00:34:31,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:34:38,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:34:38,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:34:38,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-20 00:34:38,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:34:38,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-20 00:34:38,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-20 00:34:38,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-20 00:34:38,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-20 00:34:38,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-02-20 00:34:38,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-20 00:34:38,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-02-20 00:34:38,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-20 00:34:38,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-02-20 00:34:38,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-02-20 00:34:38,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-02-20 00:34:38,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-02-20 00:34:38,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2021-02-20 00:34:38,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-02-20 00:34:38,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-02-20 00:34:38,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-02-20 00:34:38,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-02-20 00:34:38,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-02-20 00:34:38,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2021-02-20 00:34:38,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-02-20 00:34:38,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-02-20 00:34:38,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-02-20 00:34:38,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2021-02-20 00:34:38,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-02-20 00:34:38,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2021-02-20 00:34:38,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-02-20 00:34:38,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 133 states. [2021-02-20 00:34:38,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-02-20 00:34:38,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 142 states. [2021-02-20 00:34:38,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-02-20 00:34:38,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 151 states. [2021-02-20 00:34:38,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-02-20 00:34:38,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 160 states. [2021-02-20 00:34:38,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-02-20 00:34:38,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 169 states. [2021-02-20 00:34:38,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2021-02-20 00:34:38,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 178 states. [2021-02-20 00:34:38,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-02-20 00:34:39,088 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,43 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-20 00:34:39,088 INFO L428 AbstractCegarLoop]: === Iteration 43 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-20 00:34:39,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-20 00:34:39,088 INFO L82 PathProgramCache]: Analyzing trace with hash 1877234653, now seen corresponding path program 41 times [2021-02-20 00:34:39,088 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-20 00:34:39,088 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [548161918] [2021-02-20 00:34:39,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-20 00:34:39,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:34:53,878 INFO L134 CoverageAnalysis]: Checked inductivity of 7325 backedges. 3719 proven. 3604 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-02-20 00:34:53,878 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [548161918] [2021-02-20 00:34:53,878 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [429073489] [2021-02-20 00:34:53,878 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 44 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 44 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-20 00:34:53,994 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 63 check-sat command(s) [2021-02-20 00:34:53,995 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-20 00:34:53,998 INFO L263 TraceCheckSpWp]: Trace formula consists of 693 conjuncts, 125 conjunts are in the unsatisfiable core [2021-02-20 00:34:54,001 INFO L286 TraceCheckSpWp]: Computing forward predicates... Received shutdown request... [2021-02-20 00:35:26,167 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,44 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-20 00:35:26,168 WARN L545 AbstractCegarLoop]: Verification canceled [2021-02-20 00:35:26,171 WARN L224 ceAbstractionStarter]: Timeout [2021-02-20 00:35:26,172 INFO L202 PluginConnector]: Adding new model figure3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.02 12:35:26 BasicIcfg [2021-02-20 00:35:26,172 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-20 00:35:26,172 INFO L168 Benchmark]: Toolchain (without parser) took 513380.38 ms. Allocated memory was 255.9 MB in the beginning and 1.1 GB in the end (delta: 857.7 MB). Free memory was 236.5 MB in the beginning and 614.0 MB in the end (delta: -377.6 MB). Peak memory consumption was 482.8 MB. Max. memory is 16.0 GB. [2021-02-20 00:35:26,172 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.12 ms. Allocated memory is still 255.9 MB. Free memory was 237.6 MB in the beginning and 237.5 MB in the end (delta: 92.7 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-02-20 00:35:26,172 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.22 ms. Allocated memory is still 255.9 MB. Free memory was 236.0 MB in the beginning and 234.5 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-02-20 00:35:26,173 INFO L168 Benchmark]: Boogie Preprocessor took 12.33 ms. Allocated memory is still 255.9 MB. Free memory was 234.5 MB in the beginning and 233.6 MB in the end (delta: 926.7 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-02-20 00:35:26,173 INFO L168 Benchmark]: RCFGBuilder took 267.71 ms. Allocated memory is still 255.9 MB. Free memory was 233.5 MB in the beginning and 235.5 MB in the end (delta: -2.0 MB). Peak memory consumption was 16.4 MB. Max. memory is 16.0 GB. [2021-02-20 00:35:26,173 INFO L168 Benchmark]: TraceAbstraction took 513071.41 ms. Allocated memory was 255.9 MB in the beginning and 1.1 GB in the end (delta: 857.7 MB). Free memory was 235.2 MB in the beginning and 614.0 MB in the end (delta: -378.8 MB). Peak memory consumption was 481.0 MB. Max. memory is 16.0 GB. [2021-02-20 00:35:26,173 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 0.12 ms. Allocated memory is still 255.9 MB. Free memory was 237.6 MB in the beginning and 237.5 MB in the end (delta: 92.7 kB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 22.22 ms. Allocated memory is still 255.9 MB. Free memory was 236.0 MB in the beginning and 234.5 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 12.33 ms. Allocated memory is still 255.9 MB. Free memory was 234.5 MB in the beginning and 233.6 MB in the end (delta: 926.7 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 267.71 ms. Allocated memory is still 255.9 MB. Free memory was 233.5 MB in the beginning and 235.5 MB in the end (delta: -2.0 MB). Peak memory consumption was 16.4 MB. Max. memory is 16.0 GB. * TraceAbstraction took 513071.41 ms. Allocated memory was 255.9 MB in the beginning and 1.1 GB in the end (delta: 857.7 MB). Free memory was 235.2 MB in the beginning and 614.0 MB in the end (delta: -378.8 MB). Peak memory consumption was 481.0 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 51]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 51). Cancelled while PartialOrderCegarLoop was analyzing trace of length 258 with TraceHistMax 62,while TraceCheckSpWp was constructing forward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 224 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 22 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 513.0s, OverallIterations: 43, 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: 0.4s SsaConstructionTime, 3.1s SatisfiabilityAnalysisTime, 208.2s InterpolantComputationTime, 10781 NumberOfCodeBlocks, 10781 NumberOfCodeBlocksAsserted, 680 NumberOfCheckSat, 10698 ConstructedInterpolants, 0 QuantifiedInterpolants, 16393712 SizeOfPredicates, 104 NumberOfNonLiveVariables, 14272 ConjunctsInSsa, 3748 ConjunctsInUnsatCore, 83 InterpolantComputations, 1 PerfectInterpolantSequences, 45621/189772 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