/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-POR-DelaySleep-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-array-hom.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d47b94137d5c7dd60722882962a90fb345e61909-d47b941 [2021-05-03 20:32:28,604 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-05-03 20:32:28,609 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-05-03 20:32:28,658 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-05-03 20:32:28,658 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-05-03 20:32:28,661 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-05-03 20:32:28,664 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-05-03 20:32:28,672 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-05-03 20:32:28,674 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-05-03 20:32:28,680 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-05-03 20:32:28,682 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-05-03 20:32:28,684 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-05-03 20:32:28,685 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-05-03 20:32:28,688 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-05-03 20:32:28,690 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-05-03 20:32:28,692 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-05-03 20:32:28,696 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-05-03 20:32:28,698 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-05-03 20:32:28,702 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-05-03 20:32:28,710 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-05-03 20:32:28,712 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-05-03 20:32:28,714 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-05-03 20:32:28,716 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-05-03 20:32:28,719 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-05-03 20:32:28,727 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-05-03 20:32:28,728 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-05-03 20:32:28,728 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-05-03 20:32:28,731 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-05-03 20:32:28,731 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-05-03 20:32:28,732 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-05-03 20:32:28,733 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-05-03 20:32:28,735 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-05-03 20:32:28,737 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-05-03 20:32:28,738 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-05-03 20:32:28,738 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-05-03 20:32:28,739 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-05-03 20:32:28,739 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-05-03 20:32:28,739 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-05-03 20:32:28,740 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-05-03 20:32:28,740 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-05-03 20:32:28,741 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-05-03 20:32:28,747 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-POR-DelaySleep-NoLbe.epf [2021-05-03 20:32:28,788 INFO L113 SettingsManager]: Loading preferences was successful [2021-05-03 20:32:28,789 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-05-03 20:32:28,789 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-05-03 20:32:28,789 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-05-03 20:32:28,792 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-05-03 20:32:28,793 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-05-03 20:32:28,793 INFO L138 SettingsManager]: * Use SBE=true [2021-05-03 20:32:28,794 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-05-03 20:32:28,794 INFO L138 SettingsManager]: * sizeof long=4 [2021-05-03 20:32:28,794 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-05-03 20:32:28,795 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-05-03 20:32:28,796 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-05-03 20:32:28,796 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-05-03 20:32:28,796 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-05-03 20:32:28,796 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-05-03 20:32:28,797 INFO L138 SettingsManager]: * sizeof long double=12 [2021-05-03 20:32:28,797 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-05-03 20:32:28,797 INFO L138 SettingsManager]: * Use constant arrays=true [2021-05-03 20:32:28,797 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-05-03 20:32:28,797 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-05-03 20:32:28,797 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-05-03 20:32:28,798 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-05-03 20:32:28,798 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-05-03 20:32:28,798 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-05-03 20:32:28,798 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-05-03 20:32:28,798 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-05-03 20:32:28,799 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-05-03 20:32:28,799 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-05-03 20:32:28,799 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-05-03 20:32:28,799 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-05-03 20:32:28,799 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-05-03 20:32:28,799 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-05-03 20:32:28,800 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-05-03 20:32:28,800 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-05-03 20:32:29,290 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-05-03 20:32:29,322 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-05-03 20:32:29,325 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-05-03 20:32:29,327 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-05-03 20:32:29,329 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-05-03 20:32:29,330 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-array-hom.wvr.bpl [2021-05-03 20:32:29,331 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-array-hom.wvr.bpl' [2021-05-03 20:32:29,384 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-05-03 20:32:29,412 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-05-03 20:32:29,415 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-05-03 20:32:29,416 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-05-03 20:32:29,416 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-05-03 20:32:29,434 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 08:32:29" (1/1) ... [2021-05-03 20:32:29,445 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 08:32:29" (1/1) ... [2021-05-03 20:32:29,456 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-05-03 20:32:29,461 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-05-03 20:32:29,462 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-05-03 20:32:29,462 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-05-03 20:32:29,475 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 08:32:29" (1/1) ... [2021-05-03 20:32:29,476 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 08:32:29" (1/1) ... [2021-05-03 20:32:29,478 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 08:32:29" (1/1) ... [2021-05-03 20:32:29,479 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 08:32:29" (1/1) ... [2021-05-03 20:32:29,485 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 08:32:29" (1/1) ... [2021-05-03 20:32:29,492 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 08:32:29" (1/1) ... [2021-05-03 20:32:29,494 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 08:32:29" (1/1) ... [2021-05-03 20:32:29,496 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-05-03 20:32:29,499 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-05-03 20:32:29,500 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-05-03 20:32:29,500 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-05-03 20:32:29,503 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 08:32:29" (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 [2021-05-03 20:32:29,590 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-05-03 20:32:29,591 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-05-03 20:32:29,591 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-05-03 20:32:29,591 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-05-03 20:32:29,591 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-05-03 20:32:29,592 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-05-03 20:32:29,592 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-05-03 20:32:29,592 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-05-03 20:32:29,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-05-03 20:32:29,592 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-05-03 20:32:29,592 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-05-03 20:32:29,592 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-05-03 20:32:29,594 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-05-03 20:32:29,932 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-05-03 20:32:29,933 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-05-03 20:32:29,935 INFO L202 PluginConnector]: Adding new model sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.05 08:32:29 BoogieIcfgContainer [2021-05-03 20:32:29,936 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-05-03 20:32:29,938 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-05-03 20:32:29,939 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-05-03 20:32:29,942 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-05-03 20:32:29,943 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 08:32:29" (1/2) ... [2021-05-03 20:32:29,944 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d8a340e and model type sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.05 08:32:29, skipping insertion in model container [2021-05-03 20:32:29,944 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.05 08:32:29" (2/2) ... [2021-05-03 20:32:29,962 INFO L111 eAbstractionObserver]: Analyzing ICFG sum-array-hom.wvr.bpl [2021-05-03 20:32:29,968 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-05-03 20:32:29,969 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-05-03 20:32:29,973 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-05-03 20:32:29,974 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-05-03 20:32:30,072 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-05-03 20:32:30,093 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 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 [2021-05-03 20:32:30,199 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-05-03 20:32:30,199 INFO L377 AbstractCegarLoop]: Hoare is true [2021-05-03 20:32:30,199 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-05-03 20:32:30,199 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-05-03 20:32:30,199 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-05-03 20:32:30,200 INFO L381 AbstractCegarLoop]: Difference is false [2021-05-03 20:32:30,200 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-05-03 20:32:30,200 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-05-03 20:32:30,281 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 20:32:30,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 20:32:30,292 INFO L82 PathProgramCache]: Analyzing trace with hash 1685831996, now seen corresponding path program 1 times [2021-05-03 20:32:30,304 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 20:32:30,305 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1104798996] [2021-05-03 20:32:30,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 20:32:30,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 20:32:30,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 20:32:30,592 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1104798996] [2021-05-03 20:32:30,593 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-03 20:32:30,593 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-05-03 20:32:30,594 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437708835] [2021-05-03 20:32:30,599 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-05-03 20:32:30,599 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 20:32:30,616 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-05-03 20:32:30,624 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-05-03 20:32:30,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 20:32:30,627 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 20:32:30,636 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 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) [2021-05-03 20:32:30,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 20:32:30,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-03 20:32:30,741 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-05-03 20:32:30,741 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 20:32:30,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 20:32:30,746 INFO L82 PathProgramCache]: Analyzing trace with hash 1860946394, now seen corresponding path program 1 times [2021-05-03 20:32:30,746 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 20:32:30,748 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [848469521] [2021-05-03 20:32:30,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 20:32:30,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 20:32:30,830 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-05-03 20:32:30,831 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [848469521] [2021-05-03 20:32:30,831 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-03 20:32:30,831 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-05-03 20:32:30,831 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [916253742] [2021-05-03 20:32:30,833 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-05-03 20:32:30,833 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 20:32:30,834 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-05-03 20:32:30,835 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-05-03 20:32:30,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 20:32:30,835 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 20:32:30,835 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 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) [2021-05-03 20:32:30,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-03 20:32:30,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 20:32:30,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-03 20:32:30,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-03 20:32:30,912 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-05-03 20:32:30,912 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 20:32:30,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 20:32:30,913 INFO L82 PathProgramCache]: Analyzing trace with hash 2099964152, now seen corresponding path program 1 times [2021-05-03 20:32:30,913 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 20:32:30,913 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [375635202] [2021-05-03 20:32:30,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 20:32:30,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 20:32:31,324 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 20:32:31,325 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [375635202] [2021-05-03 20:32:31,326 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1523724031] [2021-05-03 20:32:31,326 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 [2021-05-03 20:32:31,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 20:32:31,398 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 19 conjunts are in the unsatisfiable core [2021-05-03 20:32:31,405 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 20:32:31,762 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-03 20:32:31,777 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-05-03 20:32:31,783 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-03 20:32:31,789 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 20:32:31,796 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-05-03 20:32:31,797 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:20, output treesize:7 [2021-05-03 20:32:31,875 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 20:32:31,876 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 20:32:31,876 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2021-05-03 20:32:31,876 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909212209] [2021-05-03 20:32:31,877 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-05-03 20:32:31,878 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 20:32:31,881 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-05-03 20:32:31,882 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2021-05-03 20:32:31,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 20:32:31,882 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 20:32:31,883 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 2.8333333333333335) internal successors, (34), 11 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-03 20:32:31,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-03 20:32:31,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-03 20:32:31,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 20:32:32,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-03 20:32:32,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-03 20:32:32,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-03 20:32:32,332 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 20:32:32,333 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 20:32:32,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 20:32:32,346 INFO L82 PathProgramCache]: Analyzing trace with hash 1225355926, now seen corresponding path program 2 times [2021-05-03 20:32:32,346 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 20:32:32,346 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [567789600] [2021-05-03 20:32:32,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 20:32:32,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 20:32:32,462 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 20:32:32,463 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [567789600] [2021-05-03 20:32:32,463 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1178240544] [2021-05-03 20:32:32,463 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 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 [2021-05-03 20:32:32,496 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-05-03 20:32:32,497 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-03 20:32:32,498 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 7 conjunts are in the unsatisfiable core [2021-05-03 20:32:32,499 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 20:32:32,671 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 20:32:32,672 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 20:32:32,672 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2021-05-03 20:32:32,672 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108217703] [2021-05-03 20:32:32,673 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-05-03 20:32:32,673 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 20:32:32,673 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-05-03 20:32:32,674 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-05-03 20:32:32,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 20:32:32,674 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 20:32:32,674 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 2.9166666666666665) internal successors, (35), 12 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) [2021-05-03 20:32:32,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-03 20:32:32,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-03 20:32:32,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-03 20:32:32,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 20:32:32,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-03 20:32:32,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-03 20:32:32,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-03 20:32:32,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-05-03 20:32:33,137 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 20:32:33,137 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 20:32:33,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 20:32:33,138 INFO L82 PathProgramCache]: Analyzing trace with hash 661666650, now seen corresponding path program 1 times [2021-05-03 20:32:33,138 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 20:32:33,138 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348038122] [2021-05-03 20:32:33,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 20:32:33,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 20:32:33,206 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-05-03 20:32:33,207 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1348038122] [2021-05-03 20:32:33,207 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1928578060] [2021-05-03 20:32:33,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2021-05-03 20:32:33,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 20:32:33,253 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 7 conjunts are in the unsatisfiable core [2021-05-03 20:32:33,258 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 20:32:33,392 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-05-03 20:32:33,392 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 20:32:33,392 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2021-05-03 20:32:33,393 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669734873] [2021-05-03 20:32:33,393 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-05-03 20:32:33,393 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 20:32:33,394 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-05-03 20:32:33,394 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2021-05-03 20:32:33,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 20:32:33,394 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 20:32:33,394 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 3.272727272727273) internal successors, (36), 11 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) [2021-05-03 20:32:33,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-03 20:32:33,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-03 20:32:33,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-03 20:32:33,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-05-03 20:32:33,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 20:32:33,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-03 20:32:33,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-03 20:32:33,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-03 20:32:33,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-05-03 20:32:33,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-03 20:32:33,735 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 20:32:33,736 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 20:32:33,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 20:32:33,737 INFO L82 PathProgramCache]: Analyzing trace with hash -258173320, now seen corresponding path program 2 times [2021-05-03 20:32:33,737 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 20:32:33,737 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997110933] [2021-05-03 20:32:33,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 20:32:33,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 20:32:34,219 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 20:32:34,220 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1997110933] [2021-05-03 20:32:34,220 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [170755888] [2021-05-03 20:32:34,220 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 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 [2021-05-03 20:32:34,262 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-05-03 20:32:34,263 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-03 20:32:34,264 WARN L261 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 39 conjunts are in the unsatisfiable core [2021-05-03 20:32:34,266 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 20:32:34,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:32:34,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:32:34,985 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 20:32:34,986 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 29 treesize of output 59 [2021-05-03 20:32:35,024 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-05-03 20:32:35,097 INFO L628 ElimStorePlain]: treesize reduction 64, result has 44.3 percent of original size [2021-05-03 20:32:35,146 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-05-03 20:32:35,147 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:53, output treesize:67 [2021-05-03 20:32:35,271 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 20:32:35,272 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 20:32:35,272 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 16] total 25 [2021-05-03 20:32:35,272 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [386858394] [2021-05-03 20:32:35,273 INFO L460 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-05-03 20:32:35,273 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 20:32:35,274 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-05-03 20:32:35,275 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=507, Unknown=0, NotChecked=0, Total=600 [2021-05-03 20:32:35,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 20:32:35,275 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 20:32:35,275 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 2.08) internal successors, (52), 25 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-03 20:32:35,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-03 20:32:35,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-03 20:32:35,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-03 20:32:35,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-05-03 20:32:35,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-05-03 20:32:35,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 20:32:35,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-03 20:32:35,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-03 20:32:35,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-03 20:32:35,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-05-03 20:32:35,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-03 20:32:35,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-05-03 20:32:36,193 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-05-03 20:32:36,193 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 20:32:36,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 20:32:36,194 INFO L82 PathProgramCache]: Analyzing trace with hash 538878486, now seen corresponding path program 3 times [2021-05-03 20:32:36,194 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 20:32:36,194 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1711908036] [2021-05-03 20:32:36,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 20:32:36,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 20:32:36,336 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 20:32:36,337 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1711908036] [2021-05-03 20:32:36,337 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1503842716] [2021-05-03 20:32:36,337 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 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 [2021-05-03 20:32:36,387 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-05-03 20:32:36,388 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-03 20:32:36,390 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjunts are in the unsatisfiable core [2021-05-03 20:32:36,400 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 20:32:36,647 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 20:32:36,648 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 20:32:36,652 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 20 [2021-05-03 20:32:36,653 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640247576] [2021-05-03 20:32:36,654 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-05-03 20:32:36,655 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 20:32:36,655 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-05-03 20:32:36,656 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=307, Unknown=0, NotChecked=0, Total=380 [2021-05-03 20:32:36,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 20:32:36,657 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 20:32:36,657 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 2.55) internal successors, (51), 20 states have internal predecessors, (51), 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) [2021-05-03 20:32:36,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-03 20:32:36,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-03 20:32:36,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-03 20:32:36,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-05-03 20:32:36,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-05-03 20:32:36,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-05-03 20:32:36,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 20:32:37,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-03 20:32:37,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-03 20:32:37,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-03 20:32:37,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-05-03 20:32:37,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-03 20:32:37,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-05-03 20:32:37,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-05-03 20:32:37,385 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 20:32:37,385 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 20:32:37,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 20:32:37,386 INFO L82 PathProgramCache]: Analyzing trace with hash 157395674, now seen corresponding path program 4 times [2021-05-03 20:32:37,386 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 20:32:37,386 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1366879783] [2021-05-03 20:32:37,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 20:32:37,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 20:32:37,494 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-05-03 20:32:37,494 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1366879783] [2021-05-03 20:32:37,494 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1101759029] [2021-05-03 20:32:37,494 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 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 [2021-05-03 20:32:37,543 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-05-03 20:32:37,543 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-03 20:32:37,544 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 11 conjunts are in the unsatisfiable core [2021-05-03 20:32:37,546 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 20:32:37,697 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-05-03 20:32:37,697 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 20:32:37,697 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 17 [2021-05-03 20:32:37,697 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1499963206] [2021-05-03 20:32:37,698 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-05-03 20:32:37,698 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 20:32:37,698 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-05-03 20:32:37,699 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2021-05-03 20:32:37,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 20:32:37,699 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 20:32:37,699 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 2.823529411764706) internal successors, (48), 17 states have internal predecessors, (48), 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) [2021-05-03 20:32:37,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-03 20:32:37,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-03 20:32:37,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-03 20:32:37,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-05-03 20:32:37,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-05-03 20:32:37,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-05-03 20:32:37,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-05-03 20:32:37,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 20:32:37,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-03 20:32:37,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-03 20:32:37,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-03 20:32:37,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-05-03 20:32:37,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-03 20:32:37,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-05-03 20:32:37,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-05-03 20:32:37,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-05-03 20:32:38,073 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 20:32:38,074 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 20:32:38,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 20:32:38,074 INFO L82 PathProgramCache]: Analyzing trace with hash -1710749704, now seen corresponding path program 5 times [2021-05-03 20:32:38,074 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 20:32:38,074 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268903880] [2021-05-03 20:32:38,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 20:32:38,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 20:32:38,735 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 2 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 20:32:38,735 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1268903880] [2021-05-03 20:32:38,735 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [299735606] [2021-05-03 20:32:38,735 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 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 [2021-05-03 20:32:38,788 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-05-03 20:32:38,789 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-03 20:32:38,791 WARN L261 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 50 conjunts are in the unsatisfiable core [2021-05-03 20:32:38,794 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 20:32:39,849 INFO L354 Elim1Store]: treesize reduction 118, result has 2.5 percent of original size [2021-05-03 20:32:39,850 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 10 new quantified variables, introduced 15 case distinctions, treesize of input 121 treesize of output 73 [2021-05-03 20:32:39,853 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-03 20:32:39,861 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 20:32:39,868 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-05-03 20:32:39,868 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:126, output treesize:5 [2021-05-03 20:32:39,903 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 20:32:39,903 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 20:32:39,903 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 31 [2021-05-03 20:32:39,904 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202228414] [2021-05-03 20:32:39,904 INFO L460 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-05-03 20:32:39,904 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 20:32:39,905 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-05-03 20:32:39,905 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=847, Unknown=0, NotChecked=0, Total=930 [2021-05-03 20:32:39,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 20:32:39,906 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 20:32:39,906 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 2.193548387096774) internal successors, (68), 31 states have internal predecessors, (68), 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) [2021-05-03 20:32:39,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-03 20:32:39,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-03 20:32:39,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-03 20:32:39,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-05-03 20:32:39,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-05-03 20:32:39,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-05-03 20:32:39,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-05-03 20:32:39,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-05-03 20:32:39,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 20:32:41,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-03 20:32:41,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-03 20:32:41,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-03 20:32:41,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-05-03 20:32:41,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-03 20:32:41,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-05-03 20:32:41,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-05-03 20:32:41,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-05-03 20:32:41,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-05-03 20:32:41,753 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2021-05-03 20:32:41,754 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 20:32:41,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 20:32:41,755 INFO L82 PathProgramCache]: Analyzing trace with hash -1702128234, now seen corresponding path program 6 times [2021-05-03 20:32:41,755 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 20:32:41,755 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686165217] [2021-05-03 20:32:41,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 20:32:41,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 20:32:41,939 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 16 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 20:32:41,939 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686165217] [2021-05-03 20:32:41,940 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [31231746] [2021-05-03 20:32:41,940 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 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 [2021-05-03 20:32:41,995 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-05-03 20:32:41,996 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-03 20:32:41,997 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 15 conjunts are in the unsatisfiable core [2021-05-03 20:32:42,003 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 20:32:42,352 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 25 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 20:32:42,352 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 20:32:42,352 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 28 [2021-05-03 20:32:42,353 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348669481] [2021-05-03 20:32:42,353 INFO L460 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-05-03 20:32:42,353 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 20:32:42,354 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-05-03 20:32:42,354 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=139, Invalid=617, Unknown=0, NotChecked=0, Total=756 [2021-05-03 20:32:42,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 20:32:42,354 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 20:32:42,355 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 2.392857142857143) internal successors, (67), 28 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-03 20:32:42,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-03 20:32:42,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-03 20:32:42,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-03 20:32:42,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-05-03 20:32:42,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-05-03 20:32:42,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-05-03 20:32:42,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-05-03 20:32:42,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-05-03 20:32:42,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-05-03 20:32:42,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 20:32:43,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-03 20:32:43,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-03 20:32:43,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-03 20:32:43,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-05-03 20:32:43,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-03 20:32:43,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-05-03 20:32:43,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-05-03 20:32:43,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-05-03 20:32:43,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-05-03 20:32:43,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-05-03 20:32:43,532 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 20:32:43,532 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 20:32:43,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 20:32:43,533 INFO L82 PathProgramCache]: Analyzing trace with hash -718741926, now seen corresponding path program 7 times [2021-05-03 20:32:43,534 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 20:32:43,534 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753773697] [2021-05-03 20:32:43,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 20:32:43,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 20:32:43,681 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 36 proven. 36 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-05-03 20:32:43,681 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [753773697] [2021-05-03 20:32:43,682 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1142819010] [2021-05-03 20:32:43,682 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2021-05-03 20:32:43,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 20:32:43,722 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 15 conjunts are in the unsatisfiable core [2021-05-03 20:32:43,726 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 20:32:43,995 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 36 proven. 36 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-05-03 20:32:43,995 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 20:32:43,996 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 23 [2021-05-03 20:32:43,996 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [687477214] [2021-05-03 20:32:43,997 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-05-03 20:32:43,997 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 20:32:43,998 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-05-03 20:32:43,998 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=142, Invalid=364, Unknown=0, NotChecked=0, Total=506 [2021-05-03 20:32:43,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 20:32:43,998 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 20:32:43,998 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 2.608695652173913) internal successors, (60), 23 states have internal predecessors, (60), 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) [2021-05-03 20:32:43,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-03 20:32:43,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-03 20:32:43,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-03 20:32:43,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-05-03 20:32:43,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-05-03 20:32:43,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-05-03 20:32:43,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-05-03 20:32:43,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-05-03 20:32:43,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-05-03 20:32:43,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-05-03 20:32:43,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 20:32:44,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-03 20:32:44,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-03 20:32:44,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-03 20:32:44,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-05-03 20:32:44,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-03 20:32:44,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-05-03 20:32:44,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-05-03 20:32:44,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-05-03 20:32:44,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-05-03 20:32:44,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-05-03 20:32:44,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-05-03 20:32:44,440 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 20:32:44,441 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 20:32:44,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 20:32:44,442 INFO L82 PathProgramCache]: Analyzing trace with hash -1675149960, now seen corresponding path program 8 times [2021-05-03 20:32:44,442 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 20:32:44,442 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1082283679] [2021-05-03 20:32:44,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 20:32:44,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 20:32:45,752 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 16 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 20:32:45,752 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1082283679] [2021-05-03 20:32:45,753 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [191024988] [2021-05-03 20:32:45,753 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 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 [2021-05-03 20:32:45,804 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-05-03 20:32:45,805 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-03 20:32:45,807 WARN L261 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 66 conjunts are in the unsatisfiable core [2021-05-03 20:32:45,809 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 20:32:46,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:32:46,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:32:46,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:32:46,984 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-03 20:32:46,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:32:46,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:32:46,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:32:46,987 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 23 [2021-05-03 20:32:46,989 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-03 20:32:46,994 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 20:32:46,996 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-05-03 20:32:46,996 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:60, output treesize:5 [2021-05-03 20:32:47,031 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 86 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 20:32:47,031 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 20:32:47,031 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 21] total 39 [2021-05-03 20:32:47,031 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [197956563] [2021-05-03 20:32:47,032 INFO L460 AbstractCegarLoop]: Interpolant automaton has 39 states [2021-05-03 20:32:47,032 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 20:32:47,032 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2021-05-03 20:32:47,033 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=159, Invalid=1323, Unknown=0, NotChecked=0, Total=1482 [2021-05-03 20:32:47,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 20:32:47,033 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 20:32:47,033 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 39 states, 39 states have (on average 2.128205128205128) internal successors, (83), 39 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) [2021-05-03 20:32:47,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-03 20:32:47,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-03 20:32:47,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-03 20:32:47,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-05-03 20:32:47,034 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-05-03 20:32:47,034 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-05-03 20:32:47,034 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-05-03 20:32:47,034 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-05-03 20:32:47,034 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-05-03 20:32:47,034 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-05-03 20:32:47,034 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-05-03 20:32:47,034 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 20:32:48,164 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 92 [2021-05-03 20:32:48,448 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 102 [2021-05-03 20:32:48,625 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 74 [2021-05-03 20:32:48,820 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 83 [2021-05-03 20:32:49,023 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 93 [2021-05-03 20:32:49,320 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 87 [2021-05-03 20:32:49,566 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 98 [2021-05-03 20:32:52,044 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 91 [2021-05-03 20:32:52,241 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 88 [2021-05-03 20:32:52,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-03 20:32:52,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-03 20:32:52,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-03 20:32:52,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-05-03 20:32:52,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-03 20:32:52,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-05-03 20:32:52,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-05-03 20:32:52,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-05-03 20:32:52,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-05-03 20:32:52,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-05-03 20:32:52,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-05-03 20:32:52,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-05-03 20:32:52,481 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2021-05-03 20:32:52,481 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 20:32:52,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 20:32:52,482 INFO L82 PathProgramCache]: Analyzing trace with hash 1033138774, now seen corresponding path program 9 times [2021-05-03 20:32:52,482 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 20:32:52,482 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [922805057] [2021-05-03 20:32:52,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 20:32:52,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 20:32:52,749 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 49 proven. 82 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 20:32:52,749 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [922805057] [2021-05-03 20:32:52,749 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1586126153] [2021-05-03 20:32:52,749 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 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 [2021-05-03 20:32:52,802 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2021-05-03 20:32:52,803 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-03 20:32:52,804 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 21 conjunts are in the unsatisfiable core [2021-05-03 20:32:52,806 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 20:32:53,450 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 64 proven. 67 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 20:32:53,451 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 20:32:53,451 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22] total 40 [2021-05-03 20:32:53,454 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [570080812] [2021-05-03 20:32:53,457 INFO L460 AbstractCegarLoop]: Interpolant automaton has 40 states [2021-05-03 20:32:53,457 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 20:32:53,458 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2021-05-03 20:32:53,461 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=283, Invalid=1277, Unknown=0, NotChecked=0, Total=1560 [2021-05-03 20:32:53,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 20:32:53,461 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 20:32:53,464 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 40 states, 40 states have (on average 2.275) internal successors, (91), 40 states have internal predecessors, (91), 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) [2021-05-03 20:32:53,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-03 20:32:53,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-03 20:32:53,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-03 20:32:53,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-05-03 20:32:53,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-05-03 20:32:53,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-05-03 20:32:53,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-05-03 20:32:53,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-05-03 20:32:53,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-05-03 20:32:53,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-05-03 20:32:53,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-05-03 20:32:53,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-05-03 20:32:53,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 20:32:55,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-03 20:32:55,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-03 20:32:55,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-03 20:32:55,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-05-03 20:32:55,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-03 20:32:55,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-05-03 20:32:55,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-05-03 20:32:55,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-05-03 20:32:55,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-05-03 20:32:55,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-05-03 20:32:55,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-05-03 20:32:55,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-05-03 20:32:55,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-05-03 20:32:55,489 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2021-05-03 20:32:55,489 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 20:32:55,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 20:32:55,490 INFO L82 PathProgramCache]: Analyzing trace with hash -621454566, now seen corresponding path program 10 times [2021-05-03 20:32:55,490 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 20:32:55,490 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [858850186] [2021-05-03 20:32:55,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 20:32:55,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 20:32:55,727 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 81 proven. 81 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-05-03 20:32:55,727 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [858850186] [2021-05-03 20:32:55,727 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1644474922] [2021-05-03 20:32:55,727 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 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 [2021-05-03 20:32:55,766 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-05-03 20:32:55,766 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-03 20:32:55,768 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 21 conjunts are in the unsatisfiable core [2021-05-03 20:32:55,770 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 20:32:56,055 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 81 proven. 81 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-05-03 20:32:56,056 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 20:32:56,056 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22] total 32 [2021-05-03 20:32:56,056 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851264771] [2021-05-03 20:32:56,057 INFO L460 AbstractCegarLoop]: Interpolant automaton has 32 states [2021-05-03 20:32:56,057 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 20:32:56,058 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-05-03 20:32:56,058 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=262, Invalid=730, Unknown=0, NotChecked=0, Total=992 [2021-05-03 20:32:56,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 20:32:56,058 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 20:32:56,059 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 32 states, 32 states have (on average 2.4375) internal successors, (78), 32 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-03 20:32:56,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-03 20:32:56,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-03 20:32:56,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-03 20:32:56,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-05-03 20:32:56,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-05-03 20:32:56,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-05-03 20:32:56,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-05-03 20:32:56,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-05-03 20:32:56,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-05-03 20:32:56,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-05-03 20:32:56,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-05-03 20:32:56,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-05-03 20:32:56,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-05-03 20:32:56,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 20:32:56,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-03 20:32:56,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-03 20:32:56,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-03 20:32:56,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-05-03 20:32:56,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-03 20:32:56,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-05-03 20:32:56,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-05-03 20:32:56,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-05-03 20:32:56,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-05-03 20:32:56,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-05-03 20:32:56,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-05-03 20:32:56,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-05-03 20:32:56,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-05-03 20:32:56,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-05-03 20:32:56,633 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2021-05-03 20:32:56,633 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 20:32:56,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 20:32:56,634 INFO L82 PathProgramCache]: Analyzing trace with hash -1481114312, now seen corresponding path program 11 times [2021-05-03 20:32:56,634 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 20:32:56,634 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [938276930] [2021-05-03 20:32:56,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 20:32:56,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 20:32:58,569 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 49 proven. 133 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 20:32:58,569 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [938276930] [2021-05-03 20:32:58,570 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [251678946] [2021-05-03 20:32:58,570 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 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 [2021-05-03 20:32:58,635 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2021-05-03 20:32:58,635 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-03 20:32:58,638 WARN L261 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 90 conjunts are in the unsatisfiable core [2021-05-03 20:32:58,640 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 20:33:00,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:33:00,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:33:00,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:33:00,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:33:00,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:33:00,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:33:00,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:33:00,553 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-03 20:33:00,556 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 45 disjoint index pairs (out of 55 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 29 [2021-05-03 20:33:00,558 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-03 20:33:00,564 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 20:33:00,567 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-05-03 20:33:00,568 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:75, output treesize:5 [2021-05-03 20:33:00,624 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 20:33:00,624 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 20:33:00,625 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 26] total 52 [2021-05-03 20:33:00,625 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466240588] [2021-05-03 20:33:00,625 INFO L460 AbstractCegarLoop]: Interpolant automaton has 52 states [2021-05-03 20:33:00,625 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 20:33:00,626 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2021-05-03 20:33:00,627 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=237, Invalid=2415, Unknown=0, NotChecked=0, Total=2652 [2021-05-03 20:33:00,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 20:33:00,627 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 20:33:00,628 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 52 states, 52 states have (on average 2.0961538461538463) internal successors, (109), 52 states have internal predecessors, (109), 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) [2021-05-03 20:33:00,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-03 20:33:00,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-03 20:33:00,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-03 20:33:00,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-05-03 20:33:00,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-05-03 20:33:00,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-05-03 20:33:00,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-05-03 20:33:00,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-05-03 20:33:00,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-05-03 20:33:00,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-05-03 20:33:00,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-05-03 20:33:00,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-05-03 20:33:00,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-05-03 20:33:00,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-05-03 20:33:00,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 20:33:01,801 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 58 [2021-05-03 20:33:03,247 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 74 [2021-05-03 20:33:03,676 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 77 [2021-05-03 20:33:04,058 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 91 [2021-05-03 20:33:04,341 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 119 [2021-05-03 20:33:04,577 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 100 [2021-05-03 20:33:04,846 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 109 [2021-05-03 20:33:05,054 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 94 [2021-05-03 20:33:05,308 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 103 [2021-05-03 20:33:05,642 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 114 [2021-05-03 20:33:12,071 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 87 [2021-05-03 20:33:12,475 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 77 [2021-05-03 20:33:12,885 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 67 [2021-05-03 20:33:13,242 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 106 [2021-05-03 20:33:13,519 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 83 [2021-05-03 20:33:13,809 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 105 [2021-05-03 20:33:13,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-03 20:33:13,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-03 20:33:13,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-03 20:33:13,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-05-03 20:33:13,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-03 20:33:13,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-05-03 20:33:13,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-05-03 20:33:13,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-05-03 20:33:13,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-05-03 20:33:13,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-05-03 20:33:13,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-05-03 20:33:13,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-05-03 20:33:13,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-05-03 20:33:13,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-05-03 20:33:13,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-05-03 20:33:14,065 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 20:33:14,066 INFO L428 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 20:33:14,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 20:33:14,066 INFO L82 PathProgramCache]: Analyzing trace with hash -1071314922, now seen corresponding path program 12 times [2021-05-03 20:33:14,066 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 20:33:14,066 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [26341239] [2021-05-03 20:33:14,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 20:33:14,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 20:33:14,510 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 100 proven. 145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 20:33:14,511 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [26341239] [2021-05-03 20:33:14,511 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [432343043] [2021-05-03 20:33:14,511 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 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 [2021-05-03 20:33:14,572 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 13 check-sat command(s) [2021-05-03 20:33:14,573 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-03 20:33:14,574 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 27 conjunts are in the unsatisfiable core [2021-05-03 20:33:14,576 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 20:33:15,549 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 121 proven. 124 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 20:33:15,550 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 20:33:15,550 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 28] total 52 [2021-05-03 20:33:15,550 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540633285] [2021-05-03 20:33:15,551 INFO L460 AbstractCegarLoop]: Interpolant automaton has 52 states [2021-05-03 20:33:15,551 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 20:33:15,552 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2021-05-03 20:33:15,553 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=481, Invalid=2171, Unknown=0, NotChecked=0, Total=2652 [2021-05-03 20:33:15,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 20:33:15,553 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 20:33:15,553 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 52 states, 52 states have (on average 2.2115384615384617) internal successors, (115), 52 states have internal predecessors, (115), 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) [2021-05-03 20:33:15,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-03 20:33:15,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-03 20:33:15,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-03 20:33:15,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-05-03 20:33:15,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-05-03 20:33:15,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-05-03 20:33:15,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-05-03 20:33:15,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-05-03 20:33:15,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-05-03 20:33:15,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-05-03 20:33:15,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-05-03 20:33:15,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-05-03 20:33:15,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-05-03 20:33:15,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-05-03 20:33:15,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2021-05-03 20:33:15,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 20:33:18,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-03 20:33:18,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-03 20:33:18,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-03 20:33:18,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-05-03 20:33:18,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-03 20:33:18,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-05-03 20:33:18,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-05-03 20:33:18,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-05-03 20:33:18,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-05-03 20:33:18,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-05-03 20:33:18,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-05-03 20:33:18,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-05-03 20:33:18,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-05-03 20:33:18,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-05-03 20:33:18,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-05-03 20:33:18,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-05-03 20:33:18,757 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2021-05-03 20:33:18,757 INFO L428 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 20:33:18,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 20:33:18,758 INFO L82 PathProgramCache]: Analyzing trace with hash -742059814, now seen corresponding path program 13 times [2021-05-03 20:33:18,758 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 20:33:18,758 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1636189664] [2021-05-03 20:33:18,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 20:33:18,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 20:33:19,221 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 144 proven. 144 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-05-03 20:33:19,222 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1636189664] [2021-05-03 20:33:19,222 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1237738132] [2021-05-03 20:33:19,222 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 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 [2021-05-03 20:33:19,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 20:33:19,304 INFO L263 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 27 conjunts are in the unsatisfiable core [2021-05-03 20:33:19,306 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 20:33:19,797 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 144 proven. 144 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-05-03 20:33:19,798 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 20:33:19,798 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 28] total 41 [2021-05-03 20:33:19,798 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470672650] [2021-05-03 20:33:19,798 INFO L460 AbstractCegarLoop]: Interpolant automaton has 41 states [2021-05-03 20:33:19,798 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 20:33:19,799 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2021-05-03 20:33:19,799 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=418, Invalid=1222, Unknown=0, NotChecked=0, Total=1640 [2021-05-03 20:33:19,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 20:33:19,800 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 20:33:19,800 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 41 states, 41 states have (on average 2.341463414634146) internal successors, (96), 41 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-03 20:33:19,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-03 20:33:19,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-03 20:33:19,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-03 20:33:19,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-05-03 20:33:19,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-05-03 20:33:19,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-05-03 20:33:19,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-05-03 20:33:19,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-05-03 20:33:19,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-05-03 20:33:19,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-05-03 20:33:19,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-05-03 20:33:19,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-05-03 20:33:19,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-05-03 20:33:19,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-05-03 20:33:19,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2021-05-03 20:33:19,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-05-03 20:33:19,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 20:33:20,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-03 20:33:20,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-03 20:33:20,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-03 20:33:20,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-05-03 20:33:20,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-03 20:33:20,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-05-03 20:33:20,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-05-03 20:33:20,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-05-03 20:33:20,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-05-03 20:33:20,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-05-03 20:33:20,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-05-03 20:33:20,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-05-03 20:33:20,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-05-03 20:33:20,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-05-03 20:33:20,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-05-03 20:33:20,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-05-03 20:33:20,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-05-03 20:33:20,609 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 20:33:20,610 INFO L428 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 20:33:20,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 20:33:20,610 INFO L82 PathProgramCache]: Analyzing trace with hash 1795126776, now seen corresponding path program 14 times [2021-05-03 20:33:20,610 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 20:33:20,611 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308217485] [2021-05-03 20:33:20,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 20:33:20,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 20:33:22,139 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 73 [2021-05-03 20:33:23,554 INFO L134 CoverageAnalysis]: Checked inductivity of 314 backedges. 66 proven. 248 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 20:33:23,555 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [308217485] [2021-05-03 20:33:23,555 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [26019866] [2021-05-03 20:33:23,555 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 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 [2021-05-03 20:33:23,607 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-05-03 20:33:23,607 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-03 20:33:23,611 WARN L261 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 114 conjunts are in the unsatisfiable core [2021-05-03 20:33:23,613 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 20:33:27,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:33:27,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:33:27,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:33:27,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:33:27,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:33:27,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:33:27,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:33:27,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:33:27,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:33:27,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:33:27,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:33:27,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:33:27,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:33:27,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:33:27,427 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-03 20:33:27,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:33:27,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:33:27,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:33:27,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:33:27,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:33:27,437 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 78 disjoint index pairs (out of 91 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 35 [2021-05-03 20:33:27,440 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-03 20:33:27,448 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 20:33:27,451 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-05-03 20:33:27,451 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:96, output treesize:5 [2021-05-03 20:33:27,530 INFO L134 CoverageAnalysis]: Checked inductivity of 314 backedges. 0 proven. 314 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 20:33:27,531 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 20:33:27,531 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 33] total 63 [2021-05-03 20:33:27,531 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1417728186] [2021-05-03 20:33:27,531 INFO L460 AbstractCegarLoop]: Interpolant automaton has 63 states [2021-05-03 20:33:27,531 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 20:33:27,532 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2021-05-03 20:33:27,533 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=360, Invalid=3546, Unknown=0, NotChecked=0, Total=3906 [2021-05-03 20:33:27,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 20:33:27,533 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 20:33:27,533 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 63 states, 63 states have (on average 2.0793650793650795) internal successors, (131), 63 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) [2021-05-03 20:33:27,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-03 20:33:27,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-03 20:33:27,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-03 20:33:27,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-05-03 20:33:27,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-05-03 20:33:27,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-05-03 20:33:27,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-05-03 20:33:27,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-05-03 20:33:27,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-05-03 20:33:27,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-05-03 20:33:27,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-05-03 20:33:27,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-05-03 20:33:27,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-05-03 20:33:27,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-05-03 20:33:27,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2021-05-03 20:33:27,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-05-03 20:33:27,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-05-03 20:33:27,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 20:33:31,090 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 68 [2021-05-03 20:33:32,620 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 89 [2021-05-03 20:33:32,980 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 51 [2021-05-03 20:33:33,584 WARN L205 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 134 [2021-05-03 20:33:34,385 WARN L205 SmtUtils]: Spent 565.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 144 [2021-05-03 20:33:34,912 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 104 [2021-05-03 20:33:35,329 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 106 [2021-05-03 20:33:35,775 WARN L205 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 116 [2021-05-03 20:33:36,451 WARN L205 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 121 [2021-05-03 20:33:36,853 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 74 [2021-05-03 20:33:37,197 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 71 [2021-05-03 20:33:37,566 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 72 [2021-05-03 20:33:37,937 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 65 [2021-05-03 20:33:38,299 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 62 [2021-05-03 20:33:38,630 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 59 [2021-05-03 20:33:38,989 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 60 [2021-05-03 20:33:39,367 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 57 [2021-05-03 20:33:39,734 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 54 [2021-05-03 20:33:40,126 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 51 [2021-05-03 20:33:42,454 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2021-05-03 20:33:43,839 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 47 [2021-05-03 20:33:44,818 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 50 [2021-05-03 20:33:45,120 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 39 [2021-05-03 20:33:45,907 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 53 [2021-05-03 20:33:46,901 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 56 [2021-05-03 20:33:47,944 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 55 [2021-05-03 20:33:49,016 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 58 [2021-05-03 20:33:50,074 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 61 [2021-05-03 20:33:51,134 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 68 [2021-05-03 20:33:52,208 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 67 [2021-05-03 20:33:53,258 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 70 [2021-05-03 20:33:53,993 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 90 [2021-05-03 20:33:54,356 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 98 [2021-05-03 20:33:54,716 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 80 [2021-05-03 20:33:55,092 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 88 [2021-05-03 20:33:55,376 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 70 [2021-05-03 20:33:55,797 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 78 [2021-05-03 20:33:56,124 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2021-05-03 20:33:56,515 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 72 [2021-05-03 20:33:57,137 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 94 [2021-05-03 20:33:57,582 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 111 [2021-05-03 20:33:57,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-03 20:33:57,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-03 20:33:57,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-03 20:33:57,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-05-03 20:33:57,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-03 20:33:57,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-05-03 20:33:57,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-05-03 20:33:57,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-05-03 20:33:57,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-05-03 20:33:57,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-05-03 20:33:57,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-05-03 20:33:57,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-05-03 20:33:57,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-05-03 20:33:57,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-05-03 20:33:57,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-05-03 20:33:57,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-05-03 20:33:57,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-05-03 20:33:57,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2021-05-03 20:33:57,894 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30 [2021-05-03 20:33:57,894 INFO L428 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 20:33:57,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 20:33:57,895 INFO L82 PathProgramCache]: Analyzing trace with hash -1433173960, now seen corresponding path program 15 times [2021-05-03 20:33:57,895 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 20:33:57,895 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [983748199] [2021-05-03 20:33:57,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 20:33:57,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 20:33:59,356 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 54 [2021-05-03 20:33:59,529 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-05-03 20:33:59,728 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 60 [2021-05-03 20:33:59,945 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 63 [2021-05-03 20:34:00,214 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 73 [2021-05-03 20:34:00,494 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 76 [2021-05-03 20:34:01,316 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 56 [2021-05-03 20:34:01,529 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 53 [2021-05-03 20:34:01,938 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 47 [2021-05-03 20:34:03,512 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 65 proven. 301 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 20:34:03,512 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [983748199] [2021-05-03 20:34:03,512 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1120487573] [2021-05-03 20:34:03,513 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 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 [2021-05-03 20:34:03,577 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) [2021-05-03 20:34:03,577 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-03 20:34:03,580 WARN L261 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 126 conjunts are in the unsatisfiable core [2021-05-03 20:34:03,583 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 20:34:13,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:34:13,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:34:13,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:34:13,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:34:13,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:34:13,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:34:13,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:34:13,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:34:13,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:34:13,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:34:13,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:34:13,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:34:13,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:34:13,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:34:13,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:34:13,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:34:13,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:34:13,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:34:13,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:34:13,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:34:13,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:34:13,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:34:13,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:34:13,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:34:13,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:34:13,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:34:13,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:34:13,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:34:13,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:34:13,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:34:13,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:34:13,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:34:13,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:34:13,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:34:13,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:34:13,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:34:13,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:34:13,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:34:13,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:34:13,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:34:13,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:34:13,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:34:13,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:34:13,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:34:13,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:34:13,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:34:13,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:34:13,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:34:13,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:34:13,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:34:13,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:34:13,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:34:13,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:34:13,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:34:13,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:34:13,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:34:13,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:34:13,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:34:13,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:34:13,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:34:13,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:34:13,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:34:13,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:34:13,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:34:13,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:34:13,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:34:13,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:34:13,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:34:13,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:34:13,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:34:13,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:34:13,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:34:13,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:34:13,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:34:13,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:34:13,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:34:13,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:34:13,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:34:13,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:34:13,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:34:13,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:34:13,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:34:13,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:34:13,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:34:13,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:34:13,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:34:13,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:34:13,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:34:13,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:34:13,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:34:13,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:34:13,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:34:13,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:34:13,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:34:13,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:34:13,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:34:13,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:34:13,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:34:13,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:34:13,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:34:13,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:34:13,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:34:13,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:34:13,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:34:13,664 INFO L244 Elim1Store]: Index analysis took 479 ms [2021-05-03 20:34:14,242 WARN L205 SmtUtils]: Spent 574.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2021-05-03 20:34:14,244 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 20:34:14,245 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 21 select indices, 21 select index equivalence classes, 182 disjoint index pairs (out of 210 index pairs), introduced 21 new quantified variables, introduced 28 case distinctions, treesize of input 105 treesize of output 315 [2021-05-03 20:34:17,124 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 4 xjuncts. [2021-05-03 20:34:17,282 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 35 [2021-05-03 20:34:17,284 INFO L628 ElimStorePlain]: treesize reduction 9, result has 85.0 percent of original size [2021-05-03 20:34:17,310 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-05-03 20:34:17,310 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:129, output treesize:41 [2021-05-03 20:34:17,753 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 25 [2021-05-03 20:34:17,996 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 0 proven. 366 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 20:34:17,997 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 20:34:17,997 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 38] total 70 [2021-05-03 20:34:17,997 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1205864737] [2021-05-03 20:34:17,997 INFO L460 AbstractCegarLoop]: Interpolant automaton has 70 states [2021-05-03 20:34:17,997 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 20:34:17,998 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 70 interpolants. [2021-05-03 20:34:17,999 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=386, Invalid=4444, Unknown=0, NotChecked=0, Total=4830 [2021-05-03 20:34:17,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 20:34:17,999 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 20:34:17,999 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 70 states, 70 states have (on average 1.9857142857142858) internal successors, (139), 70 states have internal predecessors, (139), 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) [2021-05-03 20:34:18,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-03 20:34:18,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-03 20:34:18,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-03 20:34:18,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-05-03 20:34:18,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-05-03 20:34:18,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-05-03 20:34:18,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-05-03 20:34:18,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-05-03 20:34:18,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-05-03 20:34:18,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-05-03 20:34:18,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-05-03 20:34:18,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-05-03 20:34:18,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-05-03 20:34:18,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-05-03 20:34:18,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2021-05-03 20:34:18,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-05-03 20:34:18,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-05-03 20:34:18,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2021-05-03 20:34:18,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 20:34:19,219 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2021-05-03 20:34:19,997 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2021-05-03 20:34:20,679 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 32 [2021-05-03 20:34:21,355 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 53 [2021-05-03 20:34:21,815 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 35 [2021-05-03 20:34:22,484 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 51 [2021-05-03 20:34:22,891 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 33 [2021-05-03 20:34:23,551 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 56 [2021-05-03 20:34:23,945 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 35 [2021-05-03 20:34:24,631 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2021-05-03 20:34:25,061 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 37 [2021-05-03 20:34:25,774 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 63 [2021-05-03 20:34:26,365 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 71 [2021-05-03 20:34:27,098 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 69 [2021-05-03 20:34:27,707 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 74 [2021-05-03 20:34:28,647 WARN L205 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 76 [2021-05-03 20:34:29,450 WARN L205 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 81 [2021-05-03 20:34:30,240 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 79 [2021-05-03 20:34:30,921 WARN L205 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 86 [2021-05-03 20:34:31,793 WARN L205 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 86 [2021-05-03 20:34:32,438 WARN L205 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 89 [2021-05-03 20:34:33,286 WARN L205 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 93 [2021-05-03 20:34:33,841 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 55 [2021-05-03 20:34:35,063 WARN L205 SmtUtils]: Spent 698.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 141 [2021-05-03 20:34:36,635 WARN L205 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 167 DAG size of output: 151 [2021-05-03 20:34:37,507 WARN L205 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 111 [2021-05-03 20:34:38,326 WARN L205 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 111 [2021-05-03 20:34:39,183 WARN L205 SmtUtils]: Spent 640.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 121 [2021-05-03 20:34:40,444 WARN L205 SmtUtils]: Spent 788.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 126 [2021-05-03 20:34:40,881 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-05-03 20:34:41,410 WARN L205 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 77 [2021-05-03 20:34:42,084 WARN L205 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 74 [2021-05-03 20:34:42,779 WARN L205 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 73 [2021-05-03 20:34:43,417 WARN L205 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 70 [2021-05-03 20:34:44,055 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 65 [2021-05-03 20:34:44,732 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 64 [2021-05-03 20:34:45,393 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 59 [2021-05-03 20:34:46,131 WARN L205 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 56 [2021-05-03 20:34:46,917 WARN L205 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 57 [2021-05-03 20:34:47,759 WARN L205 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 54 [2021-05-03 20:34:48,558 WARN L205 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 51 [2021-05-03 20:34:48,985 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2021-05-03 20:34:49,347 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2021-05-03 20:34:53,261 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2021-05-03 20:34:54,178 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 41 [2021-05-03 20:34:55,024 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-05-03 20:34:56,055 WARN L205 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 47 [2021-05-03 20:34:57,063 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2021-05-03 20:34:58,136 WARN L205 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 50 [2021-05-03 20:34:58,709 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 39 [2021-05-03 20:34:59,256 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-05-03 20:35:00,923 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2021-05-03 20:35:01,945 WARN L205 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 52 [2021-05-03 20:35:02,972 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-05-03 20:35:04,008 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 55 [2021-05-03 20:35:04,531 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-05-03 20:35:06,093 WARN L205 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 60 [2021-05-03 20:35:07,093 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-05-03 20:35:08,057 WARN L205 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 61 [2021-05-03 20:35:09,081 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2021-05-03 20:35:10,074 WARN L205 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 66 [2021-05-03 20:35:11,070 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-05-03 20:35:12,066 WARN L205 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 69 [2021-05-03 20:35:13,086 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2021-05-03 20:35:14,013 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 70 [2021-05-03 20:35:14,506 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-05-03 20:35:15,965 WARN L205 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 73 [2021-05-03 20:35:16,519 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-05-03 20:35:17,255 WARN L205 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 95 [2021-05-03 20:35:18,016 WARN L205 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 103 [2021-05-03 20:35:19,329 WARN L205 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 99 [2021-05-03 20:35:20,273 WARN L205 SmtUtils]: Spent 680.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 116 [2021-05-03 20:35:20,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-03 20:35:20,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-03 20:35:20,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-03 20:35:20,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-05-03 20:35:20,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-03 20:35:20,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-05-03 20:35:20,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-05-03 20:35:20,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-05-03 20:35:20,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-05-03 20:35:20,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-05-03 20:35:20,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-05-03 20:35:20,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-05-03 20:35:20,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-05-03 20:35:20,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-05-03 20:35:20,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-05-03 20:35:20,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-05-03 20:35:20,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-05-03 20:35:20,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2021-05-03 20:35:20,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-05-03 20:35:20,653 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable31 [2021-05-03 20:35:20,653 INFO L428 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 20:35:20,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 20:35:20,654 INFO L82 PathProgramCache]: Analyzing trace with hash 1999747960, now seen corresponding path program 16 times [2021-05-03 20:35:20,654 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 20:35:20,654 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1786089156] [2021-05-03 20:35:20,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 20:35:20,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 20:35:21,280 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 19 [2021-05-03 20:35:21,599 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 33 [2021-05-03 20:35:21,864 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 36 [2021-05-03 20:35:22,111 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 39 [2021-05-03 20:35:22,383 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 42 [2021-05-03 20:35:22,687 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 45 [2021-05-03 20:35:22,998 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 48 [2021-05-03 20:35:23,288 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 51 [2021-05-03 20:35:23,596 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 54 [2021-05-03 20:35:23,934 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-05-03 20:35:24,273 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 60 [2021-05-03 20:35:24,611 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 63 [2021-05-03 20:35:24,948 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-05-03 20:35:25,410 WARN L205 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 76 [2021-05-03 20:35:25,934 WARN L205 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 79 [2021-05-03 20:35:26,199 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-05-03 20:35:26,463 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-05-03 20:35:27,319 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 60 [2021-05-03 20:35:27,727 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 55 [2021-05-03 20:35:28,132 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 53 [2021-05-03 20:35:28,524 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 51 [2021-05-03 20:35:28,919 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 47 [2021-05-03 20:35:29,288 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 44 [2021-05-03 20:35:29,674 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 42 [2021-05-03 20:35:30,045 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 39 [2021-05-03 20:35:30,397 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 36 [2021-05-03 20:35:30,785 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 33 [2021-05-03 20:35:31,695 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 92 proven. 330 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 20:35:31,696 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1786089156] [2021-05-03 20:35:31,696 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1050482606] [2021-05-03 20:35:31,696 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 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 [2021-05-03 20:35:31,741 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-05-03 20:35:31,741 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-03 20:35:31,745 WARN L261 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 130 conjunts are in the unsatisfiable core [2021-05-03 20:35:31,747 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 20:35:41,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:35:41,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:35:41,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:35:41,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:35:41,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:35:41,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:35:41,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:35:41,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:35:41,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:35:41,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:35:41,250 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-03 20:35:41,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:35:41,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:35:41,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:35:41,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:35:41,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:35:41,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:35:41,277 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 105 disjoint index pairs (out of 120 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 39 [2021-05-03 20:35:41,283 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-03 20:35:41,307 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 20:35:41,312 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-05-03 20:35:41,312 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:108, output treesize:5 [2021-05-03 20:35:41,492 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 0 proven. 422 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 20:35:41,493 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 20:35:41,493 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 37] total 71 [2021-05-03 20:35:41,493 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110195703] [2021-05-03 20:35:41,494 INFO L460 AbstractCegarLoop]: Interpolant automaton has 71 states [2021-05-03 20:35:41,494 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 20:35:41,494 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 71 interpolants. [2021-05-03 20:35:41,495 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=427, Invalid=4543, Unknown=0, NotChecked=0, Total=4970 [2021-05-03 20:35:41,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 20:35:41,495 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 20:35:41,496 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 71 states, 71 states have (on average 2.0704225352112675) internal successors, (147), 71 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) [2021-05-03 20:35:41,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-03 20:35:41,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-03 20:35:41,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-03 20:35:41,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-05-03 20:35:41,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-05-03 20:35:41,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-05-03 20:35:41,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-05-03 20:35:41,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-05-03 20:35:41,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-05-03 20:35:41,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-05-03 20:35:41,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-05-03 20:35:41,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-05-03 20:35:41,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-05-03 20:35:41,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-05-03 20:35:41,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2021-05-03 20:35:41,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-05-03 20:35:41,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-05-03 20:35:41,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2021-05-03 20:35:41,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-05-03 20:35:41,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 20:35:42,314 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 25 [2021-05-03 20:35:42,759 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2021-05-03 20:35:43,110 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 29 [2021-05-03 20:35:43,451 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 32 [2021-05-03 20:35:43,888 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2021-05-03 20:35:44,289 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 29 [2021-05-03 20:35:44,863 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 34 [2021-05-03 20:35:45,221 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 33 [2021-05-03 20:35:45,690 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 37 [2021-05-03 20:35:46,099 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 36 [2021-05-03 20:35:46,586 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 36 [2021-05-03 20:35:46,980 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 35 [2021-05-03 20:35:47,552 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 38 [2021-05-03 20:35:47,965 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 37 [2021-05-03 20:35:48,455 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 40 [2021-05-03 20:35:48,879 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 39 [2021-05-03 20:35:49,376 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 42 [2021-05-03 20:35:49,785 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 41 [2021-05-03 20:35:50,295 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 44 [2021-05-03 20:35:50,733 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 43 [2021-05-03 20:35:51,331 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 46 [2021-05-03 20:35:51,775 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 45 [2021-05-03 20:35:52,395 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 49 [2021-05-03 20:35:52,823 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 48 [2021-05-03 20:35:53,384 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 50 [2021-05-03 20:35:53,826 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 49 [2021-05-03 20:35:54,309 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 53 [2021-05-03 20:35:54,761 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 52 [2021-05-03 20:35:55,672 WARN L205 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 108 [2021-05-03 20:35:56,695 WARN L205 SmtUtils]: Spent 649.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 104 [2021-05-03 20:35:57,913 WARN L205 SmtUtils]: Spent 756.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 125 [2021-05-03 20:35:59,017 WARN L205 SmtUtils]: Spent 755.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 160 [2021-05-03 20:35:59,871 WARN L205 SmtUtils]: Spent 531.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 126 [2021-05-03 20:36:00,780 WARN L205 SmtUtils]: Spent 568.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 130 [2021-05-03 20:36:01,779 WARN L205 SmtUtils]: Spent 745.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 137 [2021-05-03 20:36:02,503 WARN L205 SmtUtils]: Spent 534.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 128 [2021-05-03 20:36:03,748 WARN L205 SmtUtils]: Spent 831.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 142 [2021-05-03 20:36:04,578 WARN L205 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 87 [2021-05-03 20:36:07,282 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2021-05-03 20:36:07,637 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2021-05-03 20:36:10,813 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2021-05-03 20:36:11,542 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 41 [2021-05-03 20:36:12,235 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2021-05-03 20:36:13,085 WARN L205 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 83 [2021-05-03 20:36:14,540 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-05-03 20:36:15,562 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2021-05-03 20:36:18,242 WARN L205 SmtUtils]: Spent 657.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 133 [2021-05-03 20:36:18,685 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2021-05-03 20:36:19,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-03 20:36:19,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-03 20:36:19,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-03 20:36:19,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-05-03 20:36:19,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-03 20:36:19,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-05-03 20:36:19,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-05-03 20:36:19,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-05-03 20:36:19,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-05-03 20:36:19,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-05-03 20:36:19,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-05-03 20:36:19,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-05-03 20:36:19,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-05-03 20:36:19,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-05-03 20:36:19,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-05-03 20:36:19,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-05-03 20:36:19,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-05-03 20:36:19,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2021-05-03 20:36:19,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-05-03 20:36:19,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-05-03 20:36:19,214 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable597 [2021-05-03 20:36:19,214 INFO L428 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 20:36:19,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 20:36:19,215 INFO L82 PathProgramCache]: Analyzing trace with hash -1387698248, now seen corresponding path program 17 times [2021-05-03 20:36:19,215 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 20:36:19,215 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [725957473] [2021-05-03 20:36:19,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 20:36:19,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 20:36:20,040 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 33 [2021-05-03 20:36:20,255 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 36 [2021-05-03 20:36:20,492 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 39 [2021-05-03 20:36:20,750 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 42 [2021-05-03 20:36:20,995 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 45 [2021-05-03 20:36:21,215 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 48 [2021-05-03 20:36:21,412 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 51 [2021-05-03 20:36:21,602 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 54 [2021-05-03 20:36:21,809 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-05-03 20:36:22,051 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 60 [2021-05-03 20:36:22,293 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 63 [2021-05-03 20:36:22,550 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-05-03 20:36:22,803 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 69 [2021-05-03 20:36:23,156 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 79 [2021-05-03 20:36:23,548 WARN L205 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 82 [2021-05-03 20:36:24,206 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-05-03 20:36:25,065 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 56 [2021-05-03 20:36:25,367 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 53 [2021-05-03 20:36:25,896 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 47 [2021-05-03 20:36:26,176 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2021-05-03 20:36:26,475 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 43 [2021-05-03 20:36:26,767 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 40 [2021-05-03 20:36:27,049 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 37 [2021-05-03 20:36:27,341 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 34 [2021-05-03 20:36:28,254 INFO L134 CoverageAnalysis]: Checked inductivity of 482 backedges. 81 proven. 401 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 20:36:28,255 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [725957473] [2021-05-03 20:36:28,255 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [208271830] [2021-05-03 20:36:28,255 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 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 [2021-05-03 20:36:28,311 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 17 check-sat command(s) [2021-05-03 20:36:28,311 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-03 20:36:28,314 WARN L261 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 138 conjunts are in the unsatisfiable core [2021-05-03 20:36:28,316 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 20:36:41,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:41,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:41,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:41,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:41,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:41,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:41,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:41,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:41,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:41,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:41,183 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-03 20:36:41,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:41,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:41,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:41,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:41,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:41,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:41,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:36:41,211 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 17 select indices, 17 select index equivalence classes, 120 disjoint index pairs (out of 136 index pairs), introduced 16 new quantified variables, introduced 0 case distinctions, treesize of input 105 treesize of output 41 [2021-05-03 20:36:41,218 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-03 20:36:41,247 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 20:36:41,252 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-05-03 20:36:41,252 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:114, output treesize:5 [2021-05-03 20:36:41,484 INFO L134 CoverageAnalysis]: Checked inductivity of 482 backedges. 0 proven. 482 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 20:36:41,484 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 20:36:41,484 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41, 39] total 75 [2021-05-03 20:36:41,484 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1732569150] [2021-05-03 20:36:41,485 INFO L460 AbstractCegarLoop]: Interpolant automaton has 75 states [2021-05-03 20:36:41,485 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 20:36:41,485 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 75 interpolants. [2021-05-03 20:36:41,486 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=480, Invalid=5070, Unknown=0, NotChecked=0, Total=5550 [2021-05-03 20:36:41,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 20:36:41,487 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 20:36:41,487 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 75 states, 75 states have (on average 2.066666666666667) internal successors, (155), 75 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) [2021-05-03 20:36:41,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-03 20:36:41,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-03 20:36:41,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-03 20:36:41,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-05-03 20:36:41,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-05-03 20:36:41,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-05-03 20:36:41,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-05-03 20:36:41,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-05-03 20:36:41,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-05-03 20:36:41,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-05-03 20:36:41,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-05-03 20:36:41,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-05-03 20:36:41,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-05-03 20:36:41,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-05-03 20:36:41,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2021-05-03 20:36:41,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-05-03 20:36:41,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-05-03 20:36:41,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2021-05-03 20:36:41,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-05-03 20:36:41,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2021-05-03 20:36:41,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 20:36:42,870 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2021-05-03 20:36:43,730 WARN L205 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 48 [2021-05-03 20:36:44,497 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 29 [2021-05-03 20:36:45,274 WARN L205 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 47 [2021-05-03 20:36:45,877 WARN L205 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 31 [2021-05-03 20:36:46,813 WARN L205 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 52 [2021-05-03 20:36:47,373 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 34 [2021-05-03 20:36:48,263 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 56 [2021-05-03 20:36:48,913 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 35 [2021-05-03 20:36:49,870 WARN L205 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 61 [2021-05-03 20:36:50,438 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 37 [2021-05-03 20:36:51,381 WARN L205 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 66 [2021-05-03 20:36:51,942 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 39 [2021-05-03 20:36:52,880 WARN L205 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 68 [2021-05-03 20:36:53,454 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 41 [2021-05-03 20:36:54,299 WARN L205 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 73 [2021-05-03 20:36:54,866 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 43 [2021-05-03 20:36:55,891 WARN L205 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 78 [2021-05-03 20:36:56,421 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 45 [2021-05-03 20:36:57,453 WARN L205 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 83 [2021-05-03 20:36:58,037 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 48 [2021-05-03 20:36:58,925 WARN L205 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 89 [2021-05-03 20:36:59,531 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 51 [2021-05-03 20:37:00,509 WARN L205 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 93 [2021-05-03 20:37:01,104 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 51 [2021-05-03 20:37:02,131 WARN L205 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 101 [2021-05-03 20:37:02,738 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 57 [2021-05-03 20:37:04,149 WARN L205 SmtUtils]: Spent 700.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 155 [2021-05-03 20:37:05,510 WARN L205 SmtUtils]: Spent 949.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 165 [2021-05-03 20:37:06,457 WARN L205 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 119 [2021-05-03 20:37:07,316 WARN L205 SmtUtils]: Spent 478.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 121 [2021-05-03 20:37:08,250 WARN L205 SmtUtils]: Spent 672.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 131 [2021-05-03 20:37:09,550 WARN L205 SmtUtils]: Spent 754.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 136 [2021-05-03 20:37:10,009 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-05-03 20:37:10,517 WARN L205 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 83 [2021-05-03 20:37:11,278 WARN L205 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 80 [2021-05-03 20:37:12,016 WARN L205 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 77 [2021-05-03 20:37:12,793 WARN L205 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 74 [2021-05-03 20:37:13,597 WARN L205 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 71 [2021-05-03 20:37:14,311 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 68 [2021-05-03 20:37:15,081 WARN L205 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 65 [2021-05-03 20:37:15,881 WARN L205 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 62 [2021-05-03 20:37:16,661 WARN L205 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 59 [2021-05-03 20:37:17,609 WARN L205 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 60 [2021-05-03 20:37:18,565 WARN L205 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 57 [2021-05-03 20:37:19,509 WARN L205 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 54 [2021-05-03 20:37:20,408 WARN L205 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 51 [2021-05-03 20:37:20,926 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2021-05-03 20:37:21,394 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2021-05-03 20:37:23,397 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 34 [2021-05-03 20:37:26,184 WARN L205 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2021-05-03 20:37:27,356 WARN L205 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 41 [2021-05-03 20:37:28,480 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-05-03 20:37:29,830 WARN L205 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 47 [2021-05-03 20:37:30,900 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2021-05-03 20:37:32,173 WARN L205 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 50 [2021-05-03 20:37:32,910 WARN L205 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 39 [2021-05-03 20:37:33,525 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-05-03 20:37:34,803 WARN L205 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 53 [2021-05-03 20:37:35,379 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2021-05-03 20:37:36,026 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-05-03 20:37:37,426 WARN L205 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 56 [2021-05-03 20:37:37,990 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2021-05-03 20:37:38,565 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-05-03 20:37:39,802 WARN L205 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 55 [2021-05-03 20:37:40,372 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-05-03 20:37:40,945 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-05-03 20:37:42,211 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 58 [2021-05-03 20:37:42,773 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2021-05-03 20:37:43,292 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-05-03 20:37:44,509 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 61 [2021-05-03 20:37:45,583 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-05-03 20:37:46,915 WARN L205 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 64 [2021-05-03 20:37:47,521 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2021-05-03 20:37:48,162 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-05-03 20:37:49,623 WARN L205 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 67 [2021-05-03 20:37:50,235 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-05-03 20:37:50,893 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2021-05-03 20:37:52,337 WARN L205 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 70 [2021-05-03 20:37:52,969 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-05-03 20:37:53,567 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-05-03 20:37:54,916 WARN L205 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 73 [2021-05-03 20:37:55,507 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-05-03 20:37:56,111 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-05-03 20:37:57,480 WARN L205 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 76 [2021-05-03 20:37:58,115 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2021-05-03 20:37:58,859 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-05-03 20:38:00,005 WARN L205 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 79 [2021-05-03 20:38:00,615 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-05-03 20:38:01,641 WARN L205 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 105 [2021-05-03 20:38:02,451 WARN L205 SmtUtils]: Spent 511.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 113 [2021-05-03 20:38:03,331 WARN L205 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 95 [2021-05-03 20:38:04,192 WARN L205 SmtUtils]: Spent 530.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 103 [2021-05-03 20:38:05,694 WARN L205 SmtUtils]: Spent 515.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 109 [2021-05-03 20:38:06,797 WARN L205 SmtUtils]: Spent 778.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 126 [2021-05-03 20:38:07,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-03 20:38:07,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-03 20:38:07,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-03 20:38:07,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-05-03 20:38:07,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-03 20:38:07,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-05-03 20:38:07,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-05-03 20:38:07,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-05-03 20:38:07,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-05-03 20:38:07,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-05-03 20:38:07,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-05-03 20:38:07,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-05-03 20:38:07,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-05-03 20:38:07,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-05-03 20:38:07,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-05-03 20:38:07,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-05-03 20:38:07,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-05-03 20:38:07,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2021-05-03 20:38:07,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-05-03 20:38:07,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-05-03 20:38:07,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2021-05-03 20:38:07,272 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable598 [2021-05-03 20:38:07,273 INFO L428 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 20:38:07,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 20:38:07,274 INFO L82 PathProgramCache]: Analyzing trace with hash -491141896, now seen corresponding path program 18 times [2021-05-03 20:38:07,274 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 20:38:07,274 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1743547445] [2021-05-03 20:38:07,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 20:38:07,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 20:38:07,842 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 17 [2021-05-03 20:38:07,996 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 19 [2021-05-03 20:38:08,139 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2021-05-03 20:38:08,439 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 33 [2021-05-03 20:38:08,761 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 36 [2021-05-03 20:38:09,059 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 39 [2021-05-03 20:38:09,355 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 42 [2021-05-03 20:38:09,685 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 45 [2021-05-03 20:38:10,024 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 48 [2021-05-03 20:38:10,396 WARN L205 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 51 [2021-05-03 20:38:10,779 WARN L205 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 54 [2021-05-03 20:38:11,155 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-05-03 20:38:11,563 WARN L205 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 60 [2021-05-03 20:38:11,929 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 63 [2021-05-03 20:38:12,290 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-05-03 20:38:12,688 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 69 [2021-05-03 20:38:13,090 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2021-05-03 20:38:13,687 WARN L205 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 82 [2021-05-03 20:38:14,315 WARN L205 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 85 [2021-05-03 20:38:14,613 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-05-03 20:38:14,933 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-05-03 20:38:15,668 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-05-03 20:38:15,956 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-05-03 20:38:16,253 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-05-03 20:38:17,102 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 56 [2021-05-03 20:38:17,597 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 53 [2021-05-03 20:38:18,480 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 47 [2021-05-03 20:38:18,921 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2021-05-03 20:38:19,391 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 43 [2021-05-03 20:38:19,865 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 40 [2021-05-03 20:38:20,353 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 37 [2021-05-03 20:38:20,870 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 34 [2021-05-03 20:38:22,482 INFO L134 CoverageAnalysis]: Checked inductivity of 546 backedges. 81 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 20:38:22,482 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1743547445] [2021-05-03 20:38:22,482 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [727316891] [2021-05-03 20:38:22,483 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 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 [2021-05-03 20:38:22,564 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 18 check-sat command(s) [2021-05-03 20:38:22,564 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-03 20:38:22,566 WARN L261 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 151 conjunts are in the unsatisfiable core [2021-05-03 20:38:22,568 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 20:38:26,768 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2021-05-03 20:38:28,311 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2021-05-03 20:38:37,452 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-05-03 20:38:38,216 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-05-03 20:38:42,969 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2021-05-03 20:38:43,763 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-05-03 20:38:44,567 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-05-03 20:38:45,312 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2021-05-03 20:38:45,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:38:45,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:38:45,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:38:45,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:38:45,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:38:45,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:38:45,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:38:45,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:38:45,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:38:45,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:38:45,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:38:45,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:38:45,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:38:45,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:38:45,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:38:45,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:38:45,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:38:45,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:38:45,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:38:45,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:38:45,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:38:45,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:38:45,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:38:45,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:38:45,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:38:45,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:38:45,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:38:45,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:38:45,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:38:45,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:38:45,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:38:45,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:38:45,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:38:45,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:38:45,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:38:45,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:38:45,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:38:45,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:38:45,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:38:45,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:38:45,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:38:45,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:38:45,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:38:45,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:38:45,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:38:45,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:38:45,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:38:45,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:38:45,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:38:45,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:38:45,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:38:45,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:38:45,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:38:45,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:38:45,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:38:45,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:38:45,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:38:45,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:38:45,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:38:46,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:38:46,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:38:46,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:38:46,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:38:46,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:38:46,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:38:46,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:38:46,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:38:46,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:38:46,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:38:46,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:38:46,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:38:46,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:38:46,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:38:46,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:38:46,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:38:46,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:38:46,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:38:46,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:38:46,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:38:46,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:38:46,170 INFO L244 Elim1Store]: Index analysis took 617 ms [2021-05-03 20:38:46,607 WARN L205 SmtUtils]: Spent 425.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-05-03 20:38:46,609 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 20:38:46,610 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 21 select indices, 21 select index equivalence classes, 200 disjoint index pairs (out of 210 index pairs), introduced 21 new quantified variables, introduced 10 case distinctions, treesize of input 117 treesize of output 141 [2021-05-03 20:38:46,749 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2021-05-03 20:38:47,033 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 24 [2021-05-03 20:38:47,036 INFO L628 ElimStorePlain]: treesize reduction 4, result has 89.7 percent of original size [2021-05-03 20:38:47,062 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-05-03 20:38:47,062 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:141, output treesize:22 [2021-05-03 20:38:47,766 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 16 DAG size of output: 14 [2021-05-03 20:38:48,165 INFO L134 CoverageAnalysis]: Checked inductivity of 546 backedges. 0 proven. 546 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 20:38:48,165 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 20:38:48,166 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43, 44] total 82 [2021-05-03 20:38:48,166 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456764162] [2021-05-03 20:38:48,166 INFO L460 AbstractCegarLoop]: Interpolant automaton has 82 states [2021-05-03 20:38:48,166 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 20:38:48,166 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 82 interpolants. [2021-05-03 20:38:48,168 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=534, Invalid=6108, Unknown=0, NotChecked=0, Total=6642 [2021-05-03 20:38:48,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 20:38:48,168 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 20:38:48,168 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 82 states, 82 states have (on average 1.9878048780487805) internal successors, (163), 82 states have internal predecessors, (163), 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) [2021-05-03 20:38:48,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-03 20:38:48,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-03 20:38:48,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-03 20:38:48,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-05-03 20:38:48,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-05-03 20:38:48,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-05-03 20:38:48,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-05-03 20:38:48,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-05-03 20:38:48,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-05-03 20:38:48,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-05-03 20:38:48,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-05-03 20:38:48,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-05-03 20:38:48,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-05-03 20:38:48,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-05-03 20:38:48,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2021-05-03 20:38:48,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-05-03 20:38:48,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-05-03 20:38:48,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2021-05-03 20:38:48,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-05-03 20:38:48,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2021-05-03 20:38:48,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2021-05-03 20:38:48,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 20:38:50,737 WARN L205 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2021-05-03 20:38:52,403 WARN L205 SmtUtils]: Spent 564.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 48 [2021-05-03 20:38:53,817 WARN L205 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 34 [2021-05-03 20:38:55,298 WARN L205 SmtUtils]: Spent 543.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 55 [2021-05-03 20:38:56,281 WARN L205 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 37 [2021-05-03 20:38:57,608 WARN L205 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 51 [2021-05-03 20:38:58,488 WARN L205 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 33 [2021-05-03 20:38:59,845 WARN L205 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 56 [2021-05-03 20:39:00,828 WARN L205 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 35 [2021-05-03 20:39:02,269 WARN L205 SmtUtils]: Spent 484.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 62 [2021-05-03 20:39:03,281 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 38 [2021-05-03 20:39:04,624 WARN L205 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 66 [2021-05-03 20:39:05,457 WARN L205 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 39 [2021-05-03 20:39:06,763 WARN L205 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 68 [2021-05-03 20:39:07,655 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 42 [2021-05-03 20:39:09,063 WARN L205 SmtUtils]: Spent 478.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 75 [2021-05-03 20:39:10,017 WARN L205 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 43 [2021-05-03 20:39:11,422 WARN L205 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 78 [2021-05-03 20:39:12,287 WARN L205 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 45 [2021-05-03 20:39:13,614 WARN L205 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 83 [2021-05-03 20:39:14,480 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 48 [2021-05-03 20:39:16,466 WARN L205 SmtUtils]: Spent 885.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 90 [2021-05-03 20:39:17,724 WARN L205 SmtUtils]: Spent 578.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 49 [2021-05-03 20:39:19,290 WARN L205 SmtUtils]: Spent 592.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 93 [2021-05-03 20:39:20,554 WARN L205 SmtUtils]: Spent 598.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 99 [2021-05-03 20:39:22,564 WARN L205 SmtUtils]: Spent 931.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 99 [2021-05-03 20:39:24,192 WARN L205 SmtUtils]: Spent 945.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 104 [2021-05-03 20:39:25,797 WARN L205 SmtUtils]: Spent 581.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 106 [2021-05-03 20:39:26,856 WARN L205 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 58 [2021-05-03 20:39:29,171 WARN L205 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 183 DAG size of output: 162 [2021-05-03 20:39:32,249 WARN L205 SmtUtils]: Spent 2.41 s on a formula simplification. DAG size of input: 194 DAG size of output: 172 [2021-05-03 20:39:33,975 WARN L205 SmtUtils]: Spent 722.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 126 [2021-05-03 20:39:35,559 WARN L205 SmtUtils]: Spent 795.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 126 [2021-05-03 20:39:37,128 WARN L205 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 156 DAG size of output: 136 [2021-05-03 20:39:39,563 WARN L205 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 161 DAG size of output: 141 [2021-05-03 20:39:40,305 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-05-03 20:39:41,146 WARN L205 SmtUtils]: Spent 524.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 86 [2021-05-03 20:39:41,408 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-05-03 20:39:42,275 WARN L205 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 83 [2021-05-03 20:39:42,527 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2021-05-03 20:39:43,302 WARN L205 SmtUtils]: Spent 478.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 80 [2021-05-03 20:39:43,582 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-05-03 20:39:44,384 WARN L205 SmtUtils]: Spent 507.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 77 [2021-05-03 20:39:44,666 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-05-03 20:39:45,605 WARN L205 SmtUtils]: Spent 592.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 74 [2021-05-03 20:39:45,947 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-05-03 20:39:46,903 WARN L205 SmtUtils]: Spent 601.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 73 [2021-05-03 20:39:47,218 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-05-03 20:39:48,078 WARN L205 SmtUtils]: Spent 524.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 68 [2021-05-03 20:39:48,428 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-05-03 20:39:49,376 WARN L205 SmtUtils]: Spent 564.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 65 [2021-05-03 20:39:49,725 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2021-05-03 20:39:50,685 WARN L205 SmtUtils]: Spent 598.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 64 [2021-05-03 20:39:51,034 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-05-03 20:39:51,936 WARN L205 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 59 [2021-05-03 20:39:52,328 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2021-05-03 20:39:53,287 WARN L205 SmtUtils]: Spent 588.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 60 [2021-05-03 20:39:53,691 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2021-05-03 20:39:54,610 WARN L205 SmtUtils]: Spent 562.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 57 [2021-05-03 20:39:55,018 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2021-05-03 20:39:56,015 WARN L205 SmtUtils]: Spent 601.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 54 [2021-05-03 20:39:56,448 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 38 [2021-05-03 20:39:57,357 WARN L205 SmtUtils]: Spent 511.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 51 [2021-05-03 20:39:58,021 WARN L205 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2021-05-03 20:39:58,553 WARN L205 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2021-05-03 20:40:01,422 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 34 [2021-05-03 20:40:02,836 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2021-05-03 20:40:05,656 WARN L205 SmtUtils]: Spent 523.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2021-05-03 20:40:07,345 WARN L205 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 41 [2021-05-03 20:40:08,818 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-05-03 20:40:10,843 WARN L205 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 47 [2021-05-03 20:40:11,639 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2021-05-03 20:40:12,546 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2021-05-03 20:40:14,473 WARN L205 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 50 [2021-05-03 20:40:15,541 WARN L205 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 39 [2021-05-03 20:40:16,438 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-05-03 20:40:18,357 WARN L205 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 53 [2021-05-03 20:40:19,249 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2021-05-03 20:40:20,137 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-05-03 20:40:22,254 WARN L205 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 56 [2021-05-03 20:40:23,096 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2021-05-03 20:40:23,943 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-05-03 20:40:25,773 WARN L205 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 55 [2021-05-03 20:40:26,623 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-05-03 20:40:27,473 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-05-03 20:40:29,355 WARN L205 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 60 [2021-05-03 20:40:30,174 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2021-05-03 20:40:31,028 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-05-03 20:40:32,887 WARN L205 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 61 [2021-05-03 20:40:33,689 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-05-03 20:40:34,497 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-05-03 20:40:36,227 WARN L205 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 64 [2021-05-03 20:40:37,060 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-05-03 20:40:37,917 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-05-03 20:40:39,790 WARN L205 SmtUtils]: Spent 479.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 69 [2021-05-03 20:40:40,582 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-05-03 20:40:41,411 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2021-05-03 20:40:43,191 WARN L205 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 70 [2021-05-03 20:40:43,960 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-05-03 20:40:44,746 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-05-03 20:40:46,487 WARN L205 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 73 [2021-05-03 20:40:47,348 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-05-03 20:40:48,157 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-05-03 20:40:49,937 WARN L205 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 76 [2021-05-03 20:40:50,728 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2021-05-03 20:40:51,497 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-05-03 20:40:53,241 WARN L205 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 79 [2021-05-03 20:40:54,032 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-05-03 20:40:54,949 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2021-05-03 20:40:56,449 WARN L205 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 82 [2021-05-03 20:40:57,211 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2021-05-03 20:40:58,355 WARN L205 SmtUtils]: Spent 554.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 110 [2021-05-03 20:40:59,445 WARN L205 SmtUtils]: Spent 693.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 118 [2021-05-03 20:41:00,439 WARN L205 SmtUtils]: Spent 580.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 100 [2021-05-03 20:41:01,593 WARN L205 SmtUtils]: Spent 745.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 108 [2021-05-03 20:41:03,528 WARN L205 SmtUtils]: Spent 628.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 114 [2021-05-03 20:41:04,884 WARN L205 SmtUtils]: Spent 894.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 131 [2021-05-03 20:41:05,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-03 20:41:05,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-03 20:41:05,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-03 20:41:05,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-05-03 20:41:05,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-03 20:41:05,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-05-03 20:41:05,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-05-03 20:41:05,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-05-03 20:41:05,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-05-03 20:41:05,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-05-03 20:41:05,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-05-03 20:41:05,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-05-03 20:41:05,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-05-03 20:41:05,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-05-03 20:41:05,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-05-03 20:41:05,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-05-03 20:41:05,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-05-03 20:41:05,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2021-05-03 20:41:05,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-05-03 20:41:05,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-05-03 20:41:05,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2021-05-03 20:41:05,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2021-05-03 20:41:05,403 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable599 [2021-05-03 20:41:05,403 INFO L428 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 20:41:05,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 20:41:05,404 INFO L82 PathProgramCache]: Analyzing trace with hash -1429073096, now seen corresponding path program 19 times [2021-05-03 20:41:05,404 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 20:41:05,404 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1999070668] [2021-05-03 20:41:05,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 20:41:05,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 20:41:05,918 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 17 [2021-05-03 20:41:06,099 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 19 [2021-05-03 20:41:06,612 WARN L205 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 33 [2021-05-03 20:41:07,006 WARN L205 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 36 [2021-05-03 20:41:07,409 WARN L205 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 39 [2021-05-03 20:41:07,777 WARN L205 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 42 [2021-05-03 20:41:08,167 WARN L205 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 45 [2021-05-03 20:41:08,556 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 48 [2021-05-03 20:41:08,962 WARN L205 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 51 [2021-05-03 20:41:09,401 WARN L205 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 54 [2021-05-03 20:41:09,829 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-05-03 20:41:10,255 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 60 [2021-05-03 20:41:10,731 WARN L205 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 63 [2021-05-03 20:41:11,199 WARN L205 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-05-03 20:41:11,674 WARN L205 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 69 [2021-05-03 20:41:12,117 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2021-05-03 20:41:12,585 WARN L205 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 75 [2021-05-03 20:41:13,236 WARN L205 SmtUtils]: Spent 476.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 85 [2021-05-03 20:41:13,956 WARN L205 SmtUtils]: Spent 546.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 88 [2021-05-03 20:41:14,320 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-05-03 20:41:14,666 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-05-03 20:41:14,978 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2021-05-03 20:41:15,286 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-05-03 20:41:15,842 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-05-03 20:41:16,196 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-05-03 20:41:16,578 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-05-03 20:41:16,957 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-05-03 20:41:17,548 WARN L205 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 56 [2021-05-03 20:41:18,149 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 53 [2021-05-03 20:41:18,586 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2021-05-03 20:41:19,187 WARN L205 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 47 [2021-05-03 20:41:19,598 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2021-05-03 20:41:20,140 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 43 [2021-05-03 20:41:20,711 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 40 [2021-05-03 20:41:21,270 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 37 [2021-05-03 20:41:21,834 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 34 [2021-05-03 20:41:23,727 INFO L134 CoverageAnalysis]: Checked inductivity of 614 backedges. 126 proven. 488 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 20:41:23,728 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1999070668] [2021-05-03 20:41:23,728 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [608969321] [2021-05-03 20:41:23,728 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 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 [2021-05-03 20:41:23,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 20:41:23,784 WARN L261 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 154 conjunts are in the unsatisfiable core [2021-05-03 20:41:23,785 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 20:41:25,118 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 24 [2021-05-03 20:41:25,568 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 27 [2021-05-03 20:41:26,062 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2021-05-03 20:41:26,585 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2021-05-03 20:41:27,093 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 33 [2021-05-03 20:41:27,644 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2021-05-03 20:41:28,194 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2021-05-03 20:41:28,764 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2021-05-03 20:41:29,332 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2021-05-03 20:41:29,927 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2021-05-03 20:41:30,559 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2021-05-03 20:41:31,199 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-05-03 20:41:31,871 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-05-03 20:41:32,551 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2021-05-03 20:41:33,213 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-05-03 20:41:33,776 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-05-03 20:41:40,868 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2021-05-03 20:41:44,707 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-05-03 20:41:49,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:41:49,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:41:49,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:41:49,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:41:49,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:41:49,436 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-03 20:41:49,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:41:49,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:41:49,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:41:49,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:41:49,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:41:49,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:41:49,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:41:49,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:41:49,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:41:49,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:41:49,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:41:49,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:41:49,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:41:49,544 INFO L244 Elim1Store]: Index analysis took 142 ms [2021-05-03 20:41:49,547 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 19 select indices, 19 select index equivalence classes, 153 disjoint index pairs (out of 171 index pairs), introduced 18 new quantified variables, introduced 0 case distinctions, treesize of input 117 treesize of output 45 [2021-05-03 20:41:49,558 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-03 20:41:49,605 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 20:41:49,614 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-05-03 20:41:49,614 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:126, output treesize:5 [2021-05-03 20:41:50,072 INFO L134 CoverageAnalysis]: Checked inductivity of 614 backedges. 0 proven. 614 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 20:41:50,073 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 20:41:50,073 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [45, 43] total 83 [2021-05-03 20:41:50,073 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [296229193] [2021-05-03 20:41:50,073 INFO L460 AbstractCegarLoop]: Interpolant automaton has 83 states [2021-05-03 20:41:50,073 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 20:41:50,074 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 83 interpolants. [2021-05-03 20:41:50,075 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=588, Invalid=6218, Unknown=0, NotChecked=0, Total=6806 [2021-05-03 20:41:50,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 20:41:50,075 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 20:41:50,075 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 83 states, 83 states have (on average 2.0602409638554215) internal successors, (171), 83 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) [2021-05-03 20:41:50,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-03 20:41:50,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-03 20:41:50,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-03 20:41:50,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-05-03 20:41:50,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-05-03 20:41:50,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-05-03 20:41:50,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-05-03 20:41:50,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-05-03 20:41:50,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-05-03 20:41:50,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-05-03 20:41:50,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-05-03 20:41:50,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-05-03 20:41:50,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-05-03 20:41:50,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-05-03 20:41:50,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2021-05-03 20:41:50,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-05-03 20:41:50,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-05-03 20:41:50,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2021-05-03 20:41:50,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-05-03 20:41:50,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2021-05-03 20:41:50,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2021-05-03 20:41:50,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. [2021-05-03 20:41:50,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 20:41:52,626 WARN L205 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2021-05-03 20:41:54,292 WARN L205 SmtUtils]: Spent 582.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2021-05-03 20:41:55,681 WARN L205 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 30 [2021-05-03 20:41:57,136 WARN L205 SmtUtils]: Spent 564.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 47 [2021-05-03 20:41:58,188 WARN L205 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 31 [2021-05-03 20:41:59,670 WARN L205 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 51 [2021-05-03 20:42:00,597 WARN L205 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 33 [2021-05-03 20:42:02,111 WARN L205 SmtUtils]: Spent 501.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 57 [2021-05-03 20:42:03,198 WARN L205 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 36 [2021-05-03 20:42:04,871 WARN L205 SmtUtils]: Spent 523.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 63 [2021-05-03 20:42:05,788 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 39 [2021-05-03 20:42:07,332 WARN L205 SmtUtils]: Spent 528.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 68 [2021-05-03 20:42:08,280 WARN L205 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 42 [2021-05-03 20:42:09,739 WARN L205 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 69 [2021-05-03 20:42:10,701 WARN L205 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 45 [2021-05-03 20:42:12,244 WARN L205 SmtUtils]: Spent 511.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 75 [2021-05-03 20:42:13,170 WARN L205 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 43 [2021-05-03 20:42:14,636 WARN L205 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 78 [2021-05-03 20:42:15,543 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 45 [2021-05-03 20:42:17,077 WARN L205 SmtUtils]: Spent 530.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 83 [2021-05-03 20:42:18,004 WARN L205 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 47 [2021-05-03 20:42:19,503 WARN L205 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 88 [2021-05-03 20:42:20,465 WARN L205 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 49 [2021-05-03 20:42:22,028 WARN L205 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 93 [2021-05-03 20:42:23,076 WARN L205 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 51 [2021-05-03 20:42:24,576 WARN L205 SmtUtils]: Spent 495.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 98 [2021-05-03 20:42:25,559 WARN L205 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 54 [2021-05-03 20:42:27,157 WARN L205 SmtUtils]: Spent 528.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 103 [2021-05-03 20:42:28,158 WARN L205 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 55 [2021-05-03 20:42:29,923 WARN L205 SmtUtils]: Spent 635.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 111 [2021-05-03 20:42:31,177 WARN L205 SmtUtils]: Spent 504.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 61 [2021-05-03 20:42:33,870 WARN L205 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 183 DAG size of output: 169 [2021-05-03 20:42:36,691 WARN L205 SmtUtils]: Spent 2.00 s on a formula simplification. DAG size of input: 194 DAG size of output: 179 [2021-05-03 20:42:38,593 WARN L205 SmtUtils]: Spent 986.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 129 [2021-05-03 20:42:40,269 WARN L205 SmtUtils]: Spent 842.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 131 [2021-05-03 20:42:41,912 WARN L205 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 160 DAG size of output: 141 [2021-05-03 20:42:44,360 WARN L205 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 165 DAG size of output: 146 [2021-05-03 20:42:45,124 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-05-03 20:42:46,109 WARN L205 SmtUtils]: Spent 649.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 89 [2021-05-03 20:42:46,540 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2021-05-03 20:42:47,487 WARN L205 SmtUtils]: Spent 633.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 86 [2021-05-03 20:42:47,940 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-05-03 20:42:48,940 WARN L205 SmtUtils]: Spent 693.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 83 [2021-05-03 20:42:49,427 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2021-05-03 20:42:50,426 WARN L205 SmtUtils]: Spent 676.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 80 [2021-05-03 20:42:50,894 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-05-03 20:42:51,896 WARN L205 SmtUtils]: Spent 666.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 77 [2021-05-03 20:42:52,414 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-05-03 20:42:53,407 WARN L205 SmtUtils]: Spent 635.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 74 [2021-05-03 20:42:53,862 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-05-03 20:42:54,814 WARN L205 SmtUtils]: Spent 626.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 71 [2021-05-03 20:42:55,304 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-05-03 20:42:56,271 WARN L205 SmtUtils]: Spent 613.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 68 [2021-05-03 20:42:56,788 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-05-03 20:42:57,800 WARN L205 SmtUtils]: Spent 631.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 65 [2021-05-03 20:42:58,356 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2021-05-03 20:42:59,404 WARN L205 SmtUtils]: Spent 677.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 64 [2021-05-03 20:42:59,961 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-05-03 20:43:00,977 WARN L205 SmtUtils]: Spent 606.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 59 [2021-05-03 20:43:01,525 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2021-05-03 20:43:02,512 WARN L205 SmtUtils]: Spent 612.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 60 [2021-05-03 20:43:02,980 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2021-05-03 20:43:03,898 WARN L205 SmtUtils]: Spent 573.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 57 [2021-05-03 20:43:04,414 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2021-05-03 20:43:05,357 WARN L205 SmtUtils]: Spent 600.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 54 [2021-05-03 20:43:05,888 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 38 [2021-05-03 20:43:06,879 WARN L205 SmtUtils]: Spent 605.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 51 [2021-05-03 20:43:07,697 WARN L205 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2021-05-03 20:43:08,413 WARN L205 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2021-05-03 20:43:11,434 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 34 [2021-05-03 20:43:12,730 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2021-05-03 20:43:15,345 WARN L205 SmtUtils]: Spent 520.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2021-05-03 20:43:16,995 WARN L205 SmtUtils]: Spent 480.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 41 [2021-05-03 20:43:18,472 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-05-03 20:43:20,427 WARN L205 SmtUtils]: Spent 509.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 47 [2021-05-03 20:43:21,182 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2021-05-03 20:43:22,092 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2021-05-03 20:43:23,856 WARN L205 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 50 [2021-05-03 20:43:24,856 WARN L205 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 39 [2021-05-03 20:43:25,752 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-05-03 20:43:27,631 WARN L205 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 53 [2021-05-03 20:43:28,413 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2021-05-03 20:43:29,258 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-05-03 20:43:31,097 WARN L205 SmtUtils]: Spent 489.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 56 [2021-05-03 20:43:31,864 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2021-05-03 20:43:32,751 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-05-03 20:43:34,416 WARN L205 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 55 [2021-05-03 20:43:35,178 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-05-03 20:43:36,089 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-05-03 20:43:37,879 WARN L205 SmtUtils]: Spent 495.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 60 [2021-05-03 20:43:38,642 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2021-05-03 20:43:39,417 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-05-03 20:43:41,083 WARN L205 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 61 [2021-05-03 20:43:41,804 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-05-03 20:43:42,557 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-05-03 20:43:44,138 WARN L205 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 64 [2021-05-03 20:43:44,896 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-05-03 20:43:45,651 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-05-03 20:43:47,261 WARN L205 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 67 [2021-05-03 20:43:48,007 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-05-03 20:43:48,787 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2021-05-03 20:43:50,421 WARN L205 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 70 [2021-05-03 20:43:51,153 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-05-03 20:43:51,892 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-05-03 20:43:53,480 WARN L205 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 73 [2021-05-03 20:43:54,185 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-05-03 20:43:54,911 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-05-03 20:43:56,518 WARN L205 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 76 [2021-05-03 20:43:57,246 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2021-05-03 20:43:57,959 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-05-03 20:43:59,499 WARN L205 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 79 [2021-05-03 20:44:00,210 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-05-03 20:44:00,939 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-05-03 20:44:02,504 WARN L205 SmtUtils]: Spent 449.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 82 [2021-05-03 20:44:03,215 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2021-05-03 20:44:04,008 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-05-03 20:44:05,334 WARN L205 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 85 [2021-05-03 20:44:06,033 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-05-03 20:44:07,277 WARN L205 SmtUtils]: Spent 564.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 115 [2021-05-03 20:44:08,374 WARN L205 SmtUtils]: Spent 723.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 123 [2021-05-03 20:44:09,412 WARN L205 SmtUtils]: Spent 565.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 105 [2021-05-03 20:44:10,486 WARN L205 SmtUtils]: Spent 702.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 113 [2021-05-03 20:44:12,284 WARN L205 SmtUtils]: Spent 666.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 119 [2021-05-03 20:44:13,640 WARN L205 SmtUtils]: Spent 912.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 136 [2021-05-03 20:44:13,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-03 20:44:13,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-03 20:44:13,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-03 20:44:13,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-05-03 20:44:13,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-03 20:44:13,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-05-03 20:44:13,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-05-03 20:44:13,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-05-03 20:44:13,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-05-03 20:44:13,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-05-03 20:44:13,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-05-03 20:44:13,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-05-03 20:44:13,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-05-03 20:44:13,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-05-03 20:44:13,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-05-03 20:44:13,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-05-03 20:44:13,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-05-03 20:44:13,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2021-05-03 20:44:13,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-05-03 20:44:13,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-05-03 20:44:13,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2021-05-03 20:44:13,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2021-05-03 20:44:13,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 136 states. [2021-05-03 20:44:14,134 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable620,23 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-03 20:44:14,134 INFO L428 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-03 20:44:14,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 20:44:14,135 INFO L82 PathProgramCache]: Analyzing trace with hash -632188296, now seen corresponding path program 20 times [2021-05-03 20:44:14,135 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-03 20:44:14,135 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872667337] [2021-05-03 20:44:14,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 20:44:14,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 20:44:14,675 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 17 [2021-05-03 20:44:14,849 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 19 [2021-05-03 20:44:15,018 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2021-05-03 20:44:15,400 WARN L205 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 33 [2021-05-03 20:44:15,787 WARN L205 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 36 [2021-05-03 20:44:16,177 WARN L205 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 39 [2021-05-03 20:44:16,547 WARN L205 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 42 [2021-05-03 20:44:16,944 WARN L205 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 45 [2021-05-03 20:44:17,339 WARN L205 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 48 [2021-05-03 20:44:17,756 WARN L205 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 51 [2021-05-03 20:44:18,178 WARN L205 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 54 [2021-05-03 20:44:18,662 WARN L205 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-05-03 20:44:19,149 WARN L205 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 60 [2021-05-03 20:44:19,596 WARN L205 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 63 [2021-05-03 20:44:20,053 WARN L205 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-05-03 20:44:20,500 WARN L205 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 69 [2021-05-03 20:44:20,959 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2021-05-03 20:44:21,389 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 75 [2021-05-03 20:44:21,893 WARN L205 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 78 [2021-05-03 20:44:22,594 WARN L205 SmtUtils]: Spent 501.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 88 [2021-05-03 20:44:23,360 WARN L205 SmtUtils]: Spent 571.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 91 [2021-05-03 20:44:23,704 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-05-03 20:44:24,052 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-05-03 20:44:24,371 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-05-03 20:44:24,687 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2021-05-03 20:44:25,032 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-05-03 20:44:25,604 WARN L205 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-05-03 20:44:25,959 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-05-03 20:44:26,329 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-05-03 20:44:26,745 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-05-03 20:44:27,355 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 56 [2021-05-03 20:44:27,952 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 53 [2021-05-03 20:44:28,389 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2021-05-03 20:44:29,030 WARN L205 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 47 [2021-05-03 20:44:29,579 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2021-05-03 20:44:30,141 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 43 [2021-05-03 20:44:30,700 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 40 [2021-05-03 20:44:31,289 WARN L205 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 37 [2021-05-03 20:44:31,883 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 34 [2021-05-03 20:44:33,762 INFO L134 CoverageAnalysis]: Checked inductivity of 686 backedges. 126 proven. 560 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 20:44:33,762 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [872667337] [2021-05-03 20:44:33,762 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [175071137] [2021-05-03 20:44:33,762 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 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 [2021-05-03 20:44:33,808 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-05-03 20:44:33,808 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-03 20:44:33,811 WARN L261 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 162 conjunts are in the unsatisfiable core [2021-05-03 20:44:33,812 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-03 20:44:35,137 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2021-05-03 20:44:35,639 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 29 [2021-05-03 20:44:36,164 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2021-05-03 20:44:36,691 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2021-05-03 20:44:37,232 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2021-05-03 20:44:37,790 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2021-05-03 20:44:38,376 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 38 [2021-05-03 20:44:38,958 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2021-05-03 20:44:39,551 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2021-05-03 20:44:40,171 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2021-05-03 20:44:40,809 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-05-03 20:44:41,467 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2021-05-03 20:44:42,123 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-05-03 20:44:42,791 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-05-03 20:44:43,482 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-05-03 20:44:44,195 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-05-03 20:44:44,812 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-05-03 20:44:48,464 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-05-03 20:44:59,285 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-05-03 20:45:01,277 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-05-03 20:45:02,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:45:02,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:45:02,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:45:02,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:45:02,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:45:02,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:45:02,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:45:02,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:45:02,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:45:02,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:45:02,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:45:02,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:45:02,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:45:02,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:45:02,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:45:02,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:45:02,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:45:02,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-05-03 20:45:02,836 INFO L173 IndexEqualityManager]: detected equality via solver [2021-05-03 20:45:02,837 INFO L244 Elim1Store]: Index analysis took 121 ms [2021-05-03 20:45:02,841 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 20 select indices, 20 select index equivalence classes, 171 disjoint index pairs (out of 190 index pairs), introduced 19 new quantified variables, introduced 0 case distinctions, treesize of input 123 treesize of output 47 [2021-05-03 20:45:02,852 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-03 20:45:02,908 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 20:45:02,917 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-05-03 20:45:02,918 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:132, output treesize:5 [2021-05-03 20:45:03,436 INFO L134 CoverageAnalysis]: Checked inductivity of 686 backedges. 0 proven. 686 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 20:45:03,436 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-03 20:45:03,436 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 45] total 87 [2021-05-03 20:45:03,436 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45757497] [2021-05-03 20:45:03,437 INFO L460 AbstractCegarLoop]: Interpolant automaton has 87 states [2021-05-03 20:45:03,437 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-03 20:45:03,437 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 87 interpolants. [2021-05-03 20:45:03,438 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=635, Invalid=6847, Unknown=0, NotChecked=0, Total=7482 [2021-05-03 20:45:03,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-03 20:45:03,439 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-03 20:45:03,439 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 87 states, 87 states have (on average 2.057471264367816) internal successors, (179), 87 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) [2021-05-03 20:45:03,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-03 20:45:03,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-03 20:45:03,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-03 20:45:03,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-05-03 20:45:03,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-05-03 20:45:03,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-05-03 20:45:03,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-05-03 20:45:03,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-05-03 20:45:03,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-05-03 20:45:03,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-05-03 20:45:03,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-05-03 20:45:03,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-05-03 20:45:03,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-05-03 20:45:03,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-05-03 20:45:03,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2021-05-03 20:45:03,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-05-03 20:45:03,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-05-03 20:45:03,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2021-05-03 20:45:03,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-05-03 20:45:03,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2021-05-03 20:45:03,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2021-05-03 20:45:03,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. [2021-05-03 20:45:03,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 136 states. [2021-05-03 20:45:03,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-03 20:45:06,026 WARN L205 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2021-05-03 20:45:07,799 WARN L205 SmtUtils]: Spent 618.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2021-05-03 20:45:09,284 WARN L205 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 32 [2021-05-03 20:45:10,815 WARN L205 SmtUtils]: Spent 585.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 47 [2021-05-03 20:45:11,910 WARN L205 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 31 [2021-05-03 20:45:13,400 WARN L205 SmtUtils]: Spent 506.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 51 [2021-05-03 20:45:14,420 WARN L205 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 33 [2021-05-03 20:45:15,954 WARN L205 SmtUtils]: Spent 537.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 56 [2021-05-03 20:45:17,177 WARN L205 SmtUtils]: Spent 541.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 35 [2021-05-03 20:45:18,904 WARN L205 SmtUtils]: Spent 596.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 62 [2021-05-03 20:45:19,878 WARN L205 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 38 [2021-05-03 20:45:21,470 WARN L205 SmtUtils]: Spent 552.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 68 [2021-05-03 20:45:22,481 WARN L205 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 41 [2021-05-03 20:45:24,011 WARN L205 SmtUtils]: Spent 485.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 69 [2021-05-03 20:45:25,049 WARN L205 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 44 [2021-05-03 20:45:26,647 WARN L205 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 75 [2021-05-03 20:45:27,727 WARN L205 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 43 [2021-05-03 20:45:29,402 WARN L205 SmtUtils]: Spent 580.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 78 [2021-05-03 20:45:30,433 WARN L205 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 46 [2021-05-03 20:45:32,054 WARN L205 SmtUtils]: Spent 559.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 84 [2021-05-03 20:45:32,992 WARN L205 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 49 [2021-05-03 20:45:34,463 WARN L205 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 89 [2021-05-03 20:45:35,440 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 52 [2021-05-03 20:45:36,958 WARN L205 SmtUtils]: Spent 480.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 93 [2021-05-03 20:45:37,978 WARN L205 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 51 [2021-05-03 20:45:39,559 WARN L205 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 98 [2021-05-03 20:45:40,746 WARN L205 SmtUtils]: Spent 545.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 53 [2021-05-03 20:45:42,339 WARN L205 SmtUtils]: Spent 527.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 103 [2021-05-03 20:45:43,382 WARN L205 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 55 [2021-05-03 20:45:45,008 WARN L205 SmtUtils]: Spent 563.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 110 [2021-05-03 20:45:46,079 WARN L205 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 57 [2021-05-03 20:45:48,050 WARN L205 SmtUtils]: Spent 637.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 116 [2021-05-03 20:45:49,493 WARN L205 SmtUtils]: Spent 478.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 63 [2021-05-03 20:45:51,848 WARN L205 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 190 DAG size of output: 176 [2021-05-03 20:45:54,663 WARN L205 SmtUtils]: Spent 1.83 s on a formula simplification. DAG size of input: 201 DAG size of output: 186 [2021-05-03 20:45:56,261 WARN L205 SmtUtils]: Spent 760.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 134 [2021-05-03 20:45:58,029 WARN L205 SmtUtils]: Spent 928.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 136 [2021-05-03 20:45:59,856 WARN L205 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 165 DAG size of output: 146 [2021-05-03 20:46:02,494 WARN L205 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 170 DAG size of output: 151 [2021-05-03 20:46:03,347 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2021-05-03 20:46:04,413 WARN L205 SmtUtils]: Spent 684.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 92 [2021-05-03 20:46:04,864 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-05-03 20:46:05,866 WARN L205 SmtUtils]: Spent 669.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 89 [2021-05-03 20:46:06,331 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2021-05-03 20:46:07,368 WARN L205 SmtUtils]: Spent 692.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 86 [2021-05-03 20:46:07,895 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-05-03 20:46:09,039 WARN L205 SmtUtils]: Spent 779.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 85 [2021-05-03 20:46:09,561 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2021-05-03 20:46:10,639 WARN L205 SmtUtils]: Spent 717.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 80 [2021-05-03 20:46:11,165 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-05-03 20:46:12,298 WARN L205 SmtUtils]: Spent 722.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 77 [2021-05-03 20:46:12,786 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 61 Received shutdown request... [2021-05-03 20:46:13,195 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable621 [2021-05-03 20:46:13,195 WARN L545 AbstractCegarLoop]: Verification canceled [2021-05-03 20:46:13,207 WARN L224 ceAbstractionStarter]: Timeout [2021-05-03 20:46:13,207 INFO L202 PluginConnector]: Adding new model sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.05 08:46:13 BasicIcfg [2021-05-03 20:46:13,207 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-05-03 20:46:13,208 INFO L168 Benchmark]: Toolchain (without parser) took 823821.48 ms. Allocated memory was 354.4 MB in the beginning and 660.6 MB in the end (delta: 306.2 MB). Free memory was 333.6 MB in the beginning and 532.1 MB in the end (delta: -198.5 MB). Peak memory consumption was 108.7 MB. Max. memory is 16.0 GB. [2021-05-03 20:46:13,208 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.38 ms. Allocated memory is still 354.4 MB. Free memory was 334.7 MB in the beginning and 334.7 MB in the end (delta: 71.5 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-05-03 20:46:13,208 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.73 ms. Allocated memory is still 354.4 MB. Free memory was 333.5 MB in the beginning and 332.0 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-05-03 20:46:13,208 INFO L168 Benchmark]: Boogie Preprocessor took 37.15 ms. Allocated memory is still 354.4 MB. Free memory was 332.0 MB in the beginning and 331.1 MB in the end (delta: 963.1 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-05-03 20:46:13,208 INFO L168 Benchmark]: RCFGBuilder took 436.72 ms. Allocated memory is still 354.4 MB. Free memory was 331.0 MB in the beginning and 318.4 MB in the end (delta: 12.6 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.0 GB. [2021-05-03 20:46:13,209 INFO L168 Benchmark]: TraceAbstraction took 823269.08 ms. Allocated memory was 354.4 MB in the beginning and 660.6 MB in the end (delta: 306.2 MB). Free memory was 318.0 MB in the beginning and 532.1 MB in the end (delta: -214.1 MB). Peak memory consumption was 94.0 MB. Max. memory is 16.0 GB. [2021-05-03 20:46:13,209 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 0.38 ms. Allocated memory is still 354.4 MB. Free memory was 334.7 MB in the beginning and 334.7 MB in the end (delta: 71.5 kB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 42.73 ms. Allocated memory is still 354.4 MB. Free memory was 333.5 MB in the beginning and 332.0 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 37.15 ms. Allocated memory is still 354.4 MB. Free memory was 332.0 MB in the beginning and 331.1 MB in the end (delta: 963.1 kB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 436.72 ms. Allocated memory is still 354.4 MB. Free memory was 331.0 MB in the beginning and 318.4 MB in the end (delta: 12.6 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.0 GB. * TraceAbstraction took 823269.08 ms. Allocated memory was 354.4 MB in the beginning and 660.6 MB in the end (delta: 306.2 MB). Free memory was 318.0 MB in the beginning and 532.1 MB in the end (delta: -214.1 MB). Peak memory consumption was 94.0 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 32336, positive: 28282, positive conditional: 28282, positive unconditional: 0, negative: 4054, negative conditional: 4054, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 28282, positive: 28282, positive conditional: 28282, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 28282, positive: 28282, positive conditional: 0, positive unconditional: 28282, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 39, positive: 39, positive conditional: 0, positive unconditional: 39, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 39, positive: 39, positive conditional: 0, positive unconditional: 39, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 28282, positive: 28243, positive conditional: 0, positive unconditional: 28243, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 39, unknown conditional: 0, unknown unconditional: 39] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 ], Maximal queried relation: 0, Independence queries for same thread: 4054 - TimeoutResultAtElement [Line: 66]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 66). Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 139 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 27 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 823093.7ms, OverallIterations: 24, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 14.1ms, PartialOrderReductionTime: 595389.1ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 1221, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 225.5ms SsaConstructionTime, 1077.0ms SatisfiabilityAnalysisTime, 220784.9ms InterpolantComputationTime, 2462 NumberOfCodeBlocks, 2462 NumberOfCodeBlocksAsserted, 144 NumberOfCheckSat, 2416 ConstructedInterpolants, 306 QuantifiedInterpolants, 142510 SizeOfPredicates, 114 NumberOfNonLiveVariables, 3096 ConjunctsInSsa, 1401 ConjunctsInUnsatCore, 46 InterpolantComputations, 2 PerfectInterpolantSequences, 1666/9557 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