/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-Persistent-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-cond-2.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d47b94137d5c7dd60722882962a90fb345e61909-d47b941 [2021-05-04 00:09:47,716 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-05-04 00:09:47,718 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-05-04 00:09:47,748 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-05-04 00:09:47,749 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-05-04 00:09:47,751 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-05-04 00:09:47,753 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-05-04 00:09:47,757 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-05-04 00:09:47,759 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-05-04 00:09:47,762 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-05-04 00:09:47,763 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-05-04 00:09:47,763 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-05-04 00:09:47,764 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-05-04 00:09:47,765 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-05-04 00:09:47,766 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-05-04 00:09:47,767 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-05-04 00:09:47,770 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-05-04 00:09:47,770 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-05-04 00:09:47,772 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-05-04 00:09:47,777 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-05-04 00:09:47,778 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-05-04 00:09:47,779 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-05-04 00:09:47,779 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-05-04 00:09:47,781 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-05-04 00:09:47,785 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-05-04 00:09:47,785 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-05-04 00:09:47,785 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-05-04 00:09:47,786 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-05-04 00:09:47,786 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-05-04 00:09:47,787 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-05-04 00:09:47,787 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-05-04 00:09:47,788 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-05-04 00:09:47,789 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-05-04 00:09:47,789 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-05-04 00:09:47,789 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-05-04 00:09:47,790 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-05-04 00:09:47,790 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-05-04 00:09:47,790 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-05-04 00:09:47,790 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-05-04 00:09:47,791 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-05-04 00:09:47,791 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-05-04 00:09:47,791 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-Persistent-NoLbe.epf [2021-05-04 00:09:47,819 INFO L113 SettingsManager]: Loading preferences was successful [2021-05-04 00:09:47,820 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-05-04 00:09:47,820 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-05-04 00:09:47,820 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-05-04 00:09:47,822 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-05-04 00:09:47,822 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-05-04 00:09:47,822 INFO L138 SettingsManager]: * Use SBE=true [2021-05-04 00:09:47,822 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-05-04 00:09:47,822 INFO L138 SettingsManager]: * sizeof long=4 [2021-05-04 00:09:47,822 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-05-04 00:09:47,823 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-05-04 00:09:47,823 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-05-04 00:09:47,823 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-05-04 00:09:47,823 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-05-04 00:09:47,823 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-05-04 00:09:47,823 INFO L138 SettingsManager]: * sizeof long double=12 [2021-05-04 00:09:47,823 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-05-04 00:09:47,824 INFO L138 SettingsManager]: * Use constant arrays=true [2021-05-04 00:09:47,824 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-05-04 00:09:47,824 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-05-04 00:09:47,824 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-05-04 00:09:47,824 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-05-04 00:09:47,824 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-05-04 00:09:47,824 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-05-04 00:09:47,824 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-05-04 00:09:47,824 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-05-04 00:09:47,824 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-05-04 00:09:47,824 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-05-04 00:09:47,825 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-05-04 00:09:47,825 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-05-04 00:09:47,825 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-05-04 00:09:47,825 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-05-04 00:09:47,825 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SETS [2021-05-04 00:09:47,825 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-05-04 00:09:48,077 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-05-04 00:09:48,094 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-05-04 00:09:48,096 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-05-04 00:09:48,097 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-05-04 00:09:48,098 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-05-04 00:09:48,099 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-cond-2.wvr.bpl [2021-05-04 00:09:48,099 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-cond-2.wvr.bpl' [2021-05-04 00:09:48,125 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-05-04 00:09:48,127 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-05-04 00:09:48,128 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-05-04 00:09:48,128 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-05-04 00:09:48,128 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-05-04 00:09:48,137 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 12:09:48" (1/1) ... [2021-05-04 00:09:48,142 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 12:09:48" (1/1) ... [2021-05-04 00:09:48,147 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-05-04 00:09:48,149 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-05-04 00:09:48,149 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-05-04 00:09:48,149 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-05-04 00:09:48,154 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 12:09:48" (1/1) ... [2021-05-04 00:09:48,154 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 12:09:48" (1/1) ... [2021-05-04 00:09:48,155 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 12:09:48" (1/1) ... [2021-05-04 00:09:48,155 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 12:09:48" (1/1) ... [2021-05-04 00:09:48,158 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 12:09:48" (1/1) ... [2021-05-04 00:09:48,159 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 12:09:48" (1/1) ... [2021-05-04 00:09:48,160 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 12:09:48" (1/1) ... [2021-05-04 00:09:48,160 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-05-04 00:09:48,162 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-05-04 00:09:48,162 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-05-04 00:09:48,162 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-05-04 00:09:48,163 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 12:09:48" (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 [2021-05-04 00:09:48,213 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-05-04 00:09:48,214 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-05-04 00:09:48,214 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-05-04 00:09:48,214 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-05-04 00:09:48,214 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-05-04 00:09:48,214 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-05-04 00:09:48,214 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-05-04 00:09:48,214 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-05-04 00:09:48,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-05-04 00:09:48,215 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-05-04 00:09:48,436 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-05-04 00:09:48,437 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-05-04 00:09:48,437 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2021-05-04 00:09:48,438 INFO L202 PluginConnector]: Adding new model unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 12:09:48 BoogieIcfgContainer [2021-05-04 00:09:48,438 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-05-04 00:09:48,439 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-05-04 00:09:48,439 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-05-04 00:09:48,441 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-05-04 00:09:48,441 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 12:09:48" (1/2) ... [2021-05-04 00:09:48,442 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e2b6099 and model type unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 12:09:48, skipping insertion in model container [2021-05-04 00:09:48,442 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 12:09:48" (2/2) ... [2021-05-04 00:09:48,443 INFO L111 eAbstractionObserver]: Analyzing ICFG unroll-cond-2.wvr.bpl [2021-05-04 00:09:48,446 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-05-04 00:09:48,446 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-05-04 00:09:48,448 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-05-04 00:09:48,449 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-05-04 00:09:48,481 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-05-04 00:09:48,518 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-05-04 00:09:48,568 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-05-04 00:09:48,568 INFO L377 AbstractCegarLoop]: Hoare is true [2021-05-04 00:09:48,568 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-05-04 00:09:48,568 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-05-04 00:09:48,568 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-05-04 00:09:48,568 INFO L381 AbstractCegarLoop]: Difference is false [2021-05-04 00:09:48,568 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-05-04 00:09:48,568 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-05-04 00:09:48,686 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-04 00:09:48,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-04 00:09:48,690 INFO L82 PathProgramCache]: Analyzing trace with hash 1683443861, now seen corresponding path program 1 times [2021-05-04 00:09:48,698 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-04 00:09:48,699 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [301577269] [2021-05-04 00:09:48,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-04 00:09:48,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-04 00:09:48,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-04 00:09:48,846 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [301577269] [2021-05-04 00:09:48,846 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-04 00:09:48,846 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-05-04 00:09:48,847 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [698078365] [2021-05-04 00:09:48,850 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-05-04 00:09:48,850 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-04 00:09:48,858 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-05-04 00:09:48,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-05-04 00:09:48,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-04 00:09:48,859 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-04 00:09:48,861 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 4 states have internal predecessors, (10), 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) [2021-05-04 00:09:48,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-04 00:09:48,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-04 00:09:48,892 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-05-04 00:09:48,893 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-04 00:09:48,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-04 00:09:48,893 INFO L82 PathProgramCache]: Analyzing trace with hash -1844243121, now seen corresponding path program 1 times [2021-05-04 00:09:48,893 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-04 00:09:48,893 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [205706307] [2021-05-04 00:09:48,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-04 00:09:48,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-04 00:09:48,928 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-04 00:09:48,928 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [205706307] [2021-05-04 00:09:48,929 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1087036662] [2021-05-04 00:09:48,929 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 [2021-05-04 00:09:48,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-04 00:09:48,995 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 13 conjunts are in the unsatisfiable core [2021-05-04 00:09:48,999 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-04 00:09:49,176 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-05-04 00:09:49,177 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-04 00:09:49,180 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-04 00:09:49,181 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-05-04 00:09:49,181 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:11, output treesize:3 [2021-05-04 00:09:49,192 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-04 00:09:49,192 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-04 00:09:49,192 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2021-05-04 00:09:49,193 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535821580] [2021-05-04 00:09:49,194 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-05-04 00:09:49,194 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-04 00:09:49,200 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-05-04 00:09:49,200 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-05-04 00:09:49,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-04 00:09:49,201 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-04 00:09:49,201 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 6 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) [2021-05-04 00:09:49,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-04 00:09:49,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-04 00:09:49,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-04 00:09:49,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-04 00:09:49,448 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-04 00:09:49,449 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-04 00:09:49,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-04 00:09:49,449 INFO L82 PathProgramCache]: Analyzing trace with hash 466610133, now seen corresponding path program 2 times [2021-05-04 00:09:49,450 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-04 00:09:49,450 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [581779079] [2021-05-04 00:09:49,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-04 00:09:49,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-04 00:09:49,529 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-04 00:09:49,529 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [581779079] [2021-05-04 00:09:49,538 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1018534323] [2021-05-04 00:09:49,538 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 [2021-05-04 00:09:49,584 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-05-04 00:09:49,584 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-04 00:09:49,584 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 4 conjunts are in the unsatisfiable core [2021-05-04 00:09:49,585 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-04 00:09:49,656 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-04 00:09:49,656 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-04 00:09:49,656 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2021-05-04 00:09:49,656 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521278387] [2021-05-04 00:09:49,657 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-05-04 00:09:49,657 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-04 00:09:49,658 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-05-04 00:09:49,658 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-05-04 00:09:49,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-04 00:09:49,658 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-04 00:09:49,658 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 2.5) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-04 00:09:49,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-04 00:09:49,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-04 00:09:49,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-04 00:09:49,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-04 00:09:49,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-04 00:09:49,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-04 00:09:49,924 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-04 00:09:49,925 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-04 00:09:49,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-04 00:09:49,925 INFO L82 PathProgramCache]: Analyzing trace with hash 1606629040, now seen corresponding path program 1 times [2021-05-04 00:09:49,926 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-04 00:09:49,926 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888252597] [2021-05-04 00:09:49,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-04 00:09:49,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-04 00:09:49,988 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-04 00:09:49,989 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888252597] [2021-05-04 00:09:49,989 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [506518181] [2021-05-04 00:09:49,989 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 [2021-05-04 00:09:50,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-04 00:09:50,055 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 20 conjunts are in the unsatisfiable core [2021-05-04 00:09:50,057 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-04 00:09:50,206 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-05-04 00:09:50,206 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 3 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 18 [2021-05-04 00:09:50,209 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-04 00:09:50,210 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-04 00:09:50,211 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-05-04 00:09:50,211 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:3 [2021-05-04 00:09:50,218 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-04 00:09:50,218 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-04 00:09:50,218 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2021-05-04 00:09:50,218 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764238824] [2021-05-04 00:09:50,218 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-05-04 00:09:50,218 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-04 00:09:50,219 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-05-04 00:09:50,219 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2021-05-04 00:09:50,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-04 00:09:50,219 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-04 00:09:50,219 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 1.6923076923076923) internal successors, (22), 12 states have internal predecessors, (22), 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) [2021-05-04 00:09:50,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-04 00:09:50,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-04 00:09:50,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-04 00:09:50,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-04 00:09:50,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-04 00:09:50,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-04 00:09:50,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-04 00:09:50,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-05-04 00:09:50,509 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-04 00:09:50,509 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-04 00:09:50,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-04 00:09:50,510 INFO L82 PathProgramCache]: Analyzing trace with hash 1838514102, now seen corresponding path program 2 times [2021-05-04 00:09:50,510 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-04 00:09:50,510 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [548603159] [2021-05-04 00:09:50,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-04 00:09:50,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-04 00:09:50,659 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-04 00:09:50,659 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [548603159] [2021-05-04 00:09:50,659 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1985676009] [2021-05-04 00:09:50,659 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 [2021-05-04 00:09:50,679 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-05-04 00:09:50,679 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-04 00:09:50,680 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 22 conjunts are in the unsatisfiable core [2021-05-04 00:09:50,682 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-04 00:09:50,811 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-05-04 00:09:50,811 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 19 treesize of output 37 [2021-05-04 00:09:50,838 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-04 00:09:50,839 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-04 00:09:50,840 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-05-04 00:09:50,840 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:3 [2021-05-04 00:09:50,849 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-04 00:09:50,849 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-04 00:09:50,850 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2021-05-04 00:09:50,850 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697433044] [2021-05-04 00:09:50,850 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-05-04 00:09:50,850 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-04 00:09:50,850 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-05-04 00:09:50,851 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2021-05-04 00:09:50,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-04 00:09:50,851 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-04 00:09:50,851 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 12 states have internal predecessors, (24), 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) [2021-05-04 00:09:50,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-04 00:09:50,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-04 00:09:50,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-04 00:09:50,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-05-04 00:09:50,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-04 00:09:50,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-04 00:09:50,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-04 00:09:50,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-04 00:09:50,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-05-04 00:09:50,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-05-04 00:09:51,140 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-04 00:09:51,141 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-04 00:09:51,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-04 00:09:51,141 INFO L82 PathProgramCache]: Analyzing trace with hash 437016432, now seen corresponding path program 3 times [2021-05-04 00:09:51,141 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-04 00:09:51,142 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1491043616] [2021-05-04 00:09:51,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-04 00:09:51,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-04 00:09:51,194 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-04 00:09:51,195 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1491043616] [2021-05-04 00:09:51,195 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [806691887] [2021-05-04 00:09:51,195 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 [2021-05-04 00:09:51,216 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-05-04 00:09:51,217 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-04 00:09:51,220 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 7 conjunts are in the unsatisfiable core [2021-05-04 00:09:51,220 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-04 00:09:51,278 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-04 00:09:51,279 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-04 00:09:51,279 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 8 [2021-05-04 00:09:51,279 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1087961472] [2021-05-04 00:09:51,279 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-05-04 00:09:51,279 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-04 00:09:51,280 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-05-04 00:09:51,280 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-05-04 00:09:51,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-04 00:09:51,280 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-04 00:09:51,280 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 2.0) internal successors, (18), 8 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) [2021-05-04 00:09:51,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-04 00:09:51,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-04 00:09:51,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-04 00:09:51,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-05-04 00:09:51,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-05-04 00:09:51,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-04 00:09:51,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-04 00:09:51,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-04 00:09:51,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-04 00:09:51,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-05-04 00:09:51,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-05-04 00:09:51,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-04 00:09:51,551 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-04 00:09:51,551 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-04 00:09:51,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-04 00:09:51,553 INFO L82 PathProgramCache]: Analyzing trace with hash 689224309, now seen corresponding path program 4 times [2021-05-04 00:09:51,553 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-04 00:09:51,554 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1879631917] [2021-05-04 00:09:51,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-04 00:09:51,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-04 00:09:51,696 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-04 00:09:51,697 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1879631917] [2021-05-04 00:09:51,697 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2104108902] [2021-05-04 00:09:51,697 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 [2021-05-04 00:09:51,720 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-05-04 00:09:51,720 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-04 00:09:51,721 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 29 conjunts are in the unsatisfiable core [2021-05-04 00:09:51,721 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-04 00:09:51,948 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-05-04 00:09:51,948 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 23 treesize of output 64 [2021-05-04 00:09:52,005 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-04 00:09:52,007 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-04 00:09:52,007 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-05-04 00:09:52,007 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:3 [2021-05-04 00:09:52,011 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-04 00:09:52,011 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-04 00:09:52,011 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2021-05-04 00:09:52,011 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414072590] [2021-05-04 00:09:52,012 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-05-04 00:09:52,013 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-04 00:09:52,013 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-05-04 00:09:52,014 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=296, Unknown=0, NotChecked=0, Total=342 [2021-05-04 00:09:52,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-04 00:09:52,014 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-04 00:09:52,018 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 1.4736842105263157) internal successors, (28), 18 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-04 00:09:52,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-04 00:09:52,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-04 00:09:52,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-04 00:09:52,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-05-04 00:09:52,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-05-04 00:09:52,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-04 00:09:52,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-04 00:09:52,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-04 00:09:52,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-04 00:09:52,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-04 00:09:52,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-05-04 00:09:52,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-05-04 00:09:52,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-04 00:09:52,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-04 00:09:52,421 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-05-04 00:09:52,421 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-04 00:09:52,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-04 00:09:52,422 INFO L82 PathProgramCache]: Analyzing trace with hash -1825272913, now seen corresponding path program 5 times [2021-05-04 00:09:52,422 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-04 00:09:52,422 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289821162] [2021-05-04 00:09:52,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-04 00:09:52,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-04 00:09:52,503 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-04 00:09:52,503 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289821162] [2021-05-04 00:09:52,503 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1365635052] [2021-05-04 00:09:52,503 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 [2021-05-04 00:09:52,522 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-05-04 00:09:52,523 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-04 00:09:52,523 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 31 conjunts are in the unsatisfiable core [2021-05-04 00:09:52,524 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-04 00:09:52,781 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-05-04 00:09:52,782 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 10 case distinctions, treesize of input 27 treesize of output 99 [2021-05-04 00:09:52,861 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-04 00:09:52,863 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-04 00:09:52,863 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-05-04 00:09:52,863 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:27, output treesize:3 [2021-05-04 00:09:52,867 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-04 00:09:52,867 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-04 00:09:52,867 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2021-05-04 00:09:52,867 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [371744908] [2021-05-04 00:09:52,868 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-05-04 00:09:52,868 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-04 00:09:52,868 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-05-04 00:09:52,868 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=298, Unknown=0, NotChecked=0, Total=342 [2021-05-04 00:09:52,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-04 00:09:52,868 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-04 00:09:52,868 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 1.5789473684210527) internal successors, (30), 18 states have internal predecessors, (30), 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) [2021-05-04 00:09:52,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-04 00:09:52,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-04 00:09:52,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-04 00:09:52,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-05-04 00:09:52,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-05-04 00:09:52,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-04 00:09:52,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-05-04 00:09:52,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-04 00:09:53,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-04 00:09:53,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-04 00:09:53,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-04 00:09:53,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-05-04 00:09:53,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-05-04 00:09:53,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-04 00:09:53,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-04 00:09:53,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-04 00:09:53,263 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2021-05-04 00:09:53,263 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-04 00:09:53,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-04 00:09:53,264 INFO L82 PathProgramCache]: Analyzing trace with hash 1829691829, now seen corresponding path program 6 times [2021-05-04 00:09:53,264 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-04 00:09:53,264 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1114259618] [2021-05-04 00:09:53,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-04 00:09:53,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-04 00:09:53,327 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 10 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-04 00:09:53,328 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1114259618] [2021-05-04 00:09:53,328 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2131582794] [2021-05-04 00:09:53,328 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 [2021-05-04 00:09:53,350 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-05-04 00:09:53,350 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-04 00:09:53,351 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 10 conjunts are in the unsatisfiable core [2021-05-04 00:09:53,352 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-04 00:09:53,412 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 15 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-04 00:09:53,412 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-04 00:09:53,412 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 11 [2021-05-04 00:09:53,413 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1859370112] [2021-05-04 00:09:53,413 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-05-04 00:09:53,413 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-04 00:09:53,413 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-05-04 00:09:53,413 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2021-05-04 00:09:53,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-04 00:09:53,413 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-04 00:09:53,414 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 1.75) internal successors, (21), 11 states have internal predecessors, (21), 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) [2021-05-04 00:09:53,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-04 00:09:53,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-04 00:09:53,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-04 00:09:53,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-05-04 00:09:53,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-05-04 00:09:53,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-04 00:09:53,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-05-04 00:09:53,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-04 00:09:53,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-04 00:09:53,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-04 00:09:53,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-04 00:09:53,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-04 00:09:53,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-05-04 00:09:53,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-05-04 00:09:53,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-04 00:09:53,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-04 00:09:53,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-04 00:09:53,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-05-04 00:09:53,704 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable47 [2021-05-04 00:09:53,704 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-04 00:09:53,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-04 00:09:53,705 INFO L82 PathProgramCache]: Analyzing trace with hash 912488656, now seen corresponding path program 7 times [2021-05-04 00:09:53,705 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-04 00:09:53,705 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1466439144] [2021-05-04 00:09:53,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-04 00:09:53,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-04 00:09:53,858 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-04 00:09:53,858 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1466439144] [2021-05-04 00:09:53,858 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [526699653] [2021-05-04 00:09:53,859 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 [2021-05-04 00:09:53,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-04 00:09:53,894 WARN L261 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 38 conjunts are in the unsatisfiable core [2021-05-04 00:09:53,895 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-04 00:09:54,172 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-05-04 00:09:54,172 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 11 new quantified variables, introduced 15 case distinctions, treesize of input 31 treesize of output 142 [2021-05-04 00:09:54,362 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-04 00:09:54,364 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-04 00:09:54,365 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-05-04 00:09:54,365 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:31, output treesize:3 [2021-05-04 00:09:54,370 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-04 00:09:54,370 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-04 00:09:54,370 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 24 [2021-05-04 00:09:54,370 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085832709] [2021-05-04 00:09:54,371 INFO L460 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-05-04 00:09:54,371 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-04 00:09:54,372 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-05-04 00:09:54,372 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=539, Unknown=0, NotChecked=0, Total=600 [2021-05-04 00:09:54,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-04 00:09:54,372 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-04 00:09:54,372 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 1.36) internal successors, (34), 24 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) [2021-05-04 00:09:54,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-04 00:09:54,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-04 00:09:54,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-04 00:09:54,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-05-04 00:09:54,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-05-04 00:09:54,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-04 00:09:54,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-05-04 00:09:54,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-04 00:09:54,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-05-04 00:09:54,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-04 00:09:54,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-04 00:09:54,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-04 00:09:54,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-04 00:09:54,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-05-04 00:09:54,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-05-04 00:09:54,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-04 00:09:54,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-04 00:09:54,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-04 00:09:54,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-05-04 00:09:54,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-05-04 00:09:54,779 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48 [2021-05-04 00:09:54,782 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-04 00:09:54,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-04 00:09:54,782 INFO L82 PathProgramCache]: Analyzing trace with hash 50357590, now seen corresponding path program 8 times [2021-05-04 00:09:54,782 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-04 00:09:54,782 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1484715658] [2021-05-04 00:09:54,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-04 00:09:54,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-04 00:09:54,902 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-04 00:09:54,902 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1484715658] [2021-05-04 00:09:54,902 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [783492394] [2021-05-04 00:09:54,902 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 [2021-05-04 00:09:54,924 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-05-04 00:09:54,924 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-04 00:09:54,924 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 40 conjunts are in the unsatisfiable core [2021-05-04 00:09:54,927 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-04 00:09:55,270 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2021-05-04 00:09:55,270 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-05-04 00:09:55,270 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 35 treesize of output 193 [2021-05-04 00:09:55,522 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-04 00:09:55,523 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-04 00:09:55,523 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-05-04 00:09:55,524 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:3 [2021-05-04 00:09:55,527 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-04 00:09:55,527 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-04 00:09:55,527 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 24 [2021-05-04 00:09:55,528 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105637670] [2021-05-04 00:09:55,528 INFO L460 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-05-04 00:09:55,528 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-04 00:09:55,528 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-05-04 00:09:55,528 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=541, Unknown=0, NotChecked=0, Total=600 [2021-05-04 00:09:55,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-04 00:09:55,528 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-04 00:09:55,529 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 1.44) internal successors, (36), 24 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) [2021-05-04 00:09:55,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-04 00:09:55,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-04 00:09:55,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-04 00:09:55,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-05-04 00:09:55,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-05-04 00:09:55,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-04 00:09:55,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-05-04 00:09:55,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-04 00:09:55,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-05-04 00:09:55,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-05-04 00:09:55,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-04 00:09:55,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-04 00:09:55,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-04 00:09:55,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-04 00:09:55,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-05-04 00:09:55,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-05-04 00:09:55,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-04 00:09:55,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-04 00:09:55,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-04 00:09:55,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-05-04 00:09:55,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-05-04 00:09:55,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-04 00:09:55,980 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable109 [2021-05-04 00:09:55,980 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-04 00:09:55,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-04 00:09:55,981 INFO L82 PathProgramCache]: Analyzing trace with hash -905901680, now seen corresponding path program 9 times [2021-05-04 00:09:55,981 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-04 00:09:55,981 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1027374096] [2021-05-04 00:09:55,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-04 00:09:55,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-04 00:09:56,050 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 21 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-04 00:09:56,050 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1027374096] [2021-05-04 00:09:56,050 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1137382246] [2021-05-04 00:09:56,051 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) [2021-05-04 00:09:56,089 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-05-04 00:09:56,089 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-04 00:09:56,090 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 13 conjunts are in the unsatisfiable core [2021-05-04 00:09:56,090 INFO L286 TraceCheckSpWp]: Computing forward predicates... Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-04 00:09:56,135 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 28 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-04 00:09:56,135 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-04 00:09:56,135 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 14 [2021-05-04 00:09:56,135 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2032146595] [2021-05-04 00:09:56,136 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-05-04 00:09:56,136 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-04 00:09:56,136 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-05-04 00:09:56,136 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2021-05-04 00:09:56,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-04 00:09:56,136 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-04 00:09:56,136 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 1.6) internal successors, (24), 14 states have internal predecessors, (24), 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) [2021-05-04 00:09:56,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-04 00:09:56,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-04 00:09:56,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-04 00:09:56,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-05-04 00:09:56,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-05-04 00:09:56,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-04 00:09:56,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-05-04 00:09:56,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-04 00:09:56,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-05-04 00:09:56,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-05-04 00:09:56,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-05-04 00:09:56,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-04 00:09:56,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-04 00:09:56,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-04 00:09:56,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-04 00:09:56,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-05-04 00:09:56,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-05-04 00:09:56,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-04 00:09:56,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-04 00:09:56,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-04 00:09:56,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-05-04 00:09:56,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-05-04 00:09:56,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-04 00:09:56,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-05-04 00:09:56,479 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable197,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-04 00:09:56,480 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-04 00:09:56,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-04 00:09:56,480 INFO L82 PathProgramCache]: Analyzing trace with hash 2008435797, now seen corresponding path program 10 times [2021-05-04 00:09:56,480 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-04 00:09:56,480 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2093020921] [2021-05-04 00:09:56,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-04 00:09:56,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-04 00:09:56,640 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-04 00:09:56,641 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2093020921] [2021-05-04 00:09:56,641 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1362161672] [2021-05-04 00:09:56,641 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 [2021-05-04 00:09:56,665 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-05-04 00:09:56,665 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-04 00:09:56,666 WARN L261 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 47 conjunts are in the unsatisfiable core [2021-05-04 00:09:56,667 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-04 00:09:57,159 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-05-04 00:09:57,159 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 15 new quantified variables, introduced 28 case distinctions, treesize of input 39 treesize of output 252 [2021-05-04 00:09:57,833 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-04 00:09:57,834 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-04 00:09:57,835 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-05-04 00:09:57,835 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:39, output treesize:3 [2021-05-04 00:09:57,839 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-04 00:09:57,839 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-04 00:09:57,839 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 30 [2021-05-04 00:09:57,839 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [242312325] [2021-05-04 00:09:57,839 INFO L460 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-05-04 00:09:57,839 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-04 00:09:57,839 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-05-04 00:09:57,840 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=854, Unknown=0, NotChecked=0, Total=930 [2021-05-04 00:09:57,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-04 00:09:57,840 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-04 00:09:57,840 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 1.2903225806451613) internal successors, (40), 30 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-04 00:09:57,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-04 00:09:57,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-04 00:09:57,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-04 00:09:57,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-05-04 00:09:57,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-05-04 00:09:57,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-04 00:09:57,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-05-04 00:09:57,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-04 00:09:57,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-05-04 00:09:57,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-05-04 00:09:57,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-05-04 00:09:57,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-05-04 00:09:57,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-04 00:09:58,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-04 00:09:58,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-04 00:09:58,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-04 00:09:58,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-05-04 00:09:58,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-05-04 00:09:58,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-04 00:09:58,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-04 00:09:58,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-04 00:09:58,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-05-04 00:09:58,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-05-04 00:09:58,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-04 00:09:58,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-05-04 00:09:58,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-05-04 00:09:58,389 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable198 [2021-05-04 00:09:58,389 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-04 00:09:58,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-04 00:09:58,389 INFO L82 PathProgramCache]: Analyzing trace with hash -2128688625, now seen corresponding path program 11 times [2021-05-04 00:09:58,389 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-04 00:09:58,389 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1232617715] [2021-05-04 00:09:58,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-04 00:09:58,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-04 00:09:58,573 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-04 00:09:58,573 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1232617715] [2021-05-04 00:09:58,573 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [791381678] [2021-05-04 00:09:58,573 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 [2021-05-04 00:09:58,597 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-05-04 00:09:58,598 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-04 00:09:58,598 WARN L261 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 49 conjunts are in the unsatisfiable core [2021-05-04 00:09:58,600 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-04 00:09:59,122 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2021-05-04 00:09:59,123 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-05-04 00:09:59,123 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 17 new quantified variables, introduced 36 case distinctions, treesize of input 43 treesize of output 319 [2021-05-04 00:10:00,719 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-04 00:10:00,721 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-04 00:10:00,721 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-05-04 00:10:00,721 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:3 [2021-05-04 00:10:00,725 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-04 00:10:00,725 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-04 00:10:00,725 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 30 [2021-05-04 00:10:00,725 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1332785305] [2021-05-04 00:10:00,727 INFO L460 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-05-04 00:10:00,727 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-04 00:10:00,727 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-05-04 00:10:00,727 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=856, Unknown=0, NotChecked=0, Total=930 [2021-05-04 00:10:00,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-04 00:10:00,727 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-04 00:10:00,728 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 1.3548387096774193) internal successors, (42), 30 states have internal predecessors, (42), 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) [2021-05-04 00:10:00,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-04 00:10:00,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-04 00:10:00,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-04 00:10:00,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-05-04 00:10:00,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-05-04 00:10:00,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-04 00:10:00,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-05-04 00:10:00,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-04 00:10:00,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-05-04 00:10:00,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-05-04 00:10:00,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-05-04 00:10:00,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-05-04 00:10:00,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-05-04 00:10:00,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-04 00:10:01,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-04 00:10:01,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-04 00:10:01,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-04 00:10:01,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-05-04 00:10:01,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-05-04 00:10:01,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-04 00:10:01,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-04 00:10:01,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-04 00:10:01,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-05-04 00:10:01,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-05-04 00:10:01,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-04 00:10:01,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-05-04 00:10:01,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-05-04 00:10:01,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-05-04 00:10:01,349 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable449,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-04 00:10:01,349 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-04 00:10:01,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-04 00:10:01,349 INFO L82 PathProgramCache]: Analyzing trace with hash -1530526827, now seen corresponding path program 12 times [2021-05-04 00:10:01,349 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-04 00:10:01,349 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61792308] [2021-05-04 00:10:01,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-04 00:10:01,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-04 00:10:01,495 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 36 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-04 00:10:01,495 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [61792308] [2021-05-04 00:10:01,495 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [346597422] [2021-05-04 00:10:01,495 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 [2021-05-04 00:10:01,529 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2021-05-04 00:10:01,529 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-04 00:10:01,530 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 16 conjunts are in the unsatisfiable core [2021-05-04 00:10:01,532 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-04 00:10:01,582 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 45 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-04 00:10:01,582 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-04 00:10:01,582 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 17 [2021-05-04 00:10:01,582 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [915239186] [2021-05-04 00:10:01,583 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-05-04 00:10:01,583 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-04 00:10:01,584 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-05-04 00:10:01,584 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=217, Unknown=0, NotChecked=0, Total=306 [2021-05-04 00:10:01,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-04 00:10:01,584 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-04 00:10:01,584 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 1.5) internal successors, (27), 17 states have internal predecessors, (27), 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) [2021-05-04 00:10:01,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-04 00:10:01,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-04 00:10:01,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-04 00:10:01,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-05-04 00:10:01,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-05-04 00:10:01,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-04 00:10:01,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-05-04 00:10:01,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-04 00:10:01,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-05-04 00:10:01,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-05-04 00:10:01,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-05-04 00:10:01,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-05-04 00:10:01,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-05-04 00:10:01,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-05-04 00:10:01,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-04 00:10:01,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-04 00:10:01,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-04 00:10:01,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-04 00:10:01,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-05-04 00:10:01,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-05-04 00:10:01,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-04 00:10:01,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-04 00:10:01,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-04 00:10:01,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-05-04 00:10:01,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-05-04 00:10:01,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-04 00:10:01,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-05-04 00:10:01,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-05-04 00:10:01,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-05-04 00:10:01,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-05-04 00:10:01,953 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable970 [2021-05-04 00:10:01,953 INFO L428 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-04 00:10:01,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-04 00:10:01,953 INFO L82 PathProgramCache]: Analyzing trace with hash -175074576, now seen corresponding path program 13 times [2021-05-04 00:10:01,953 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-04 00:10:01,953 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [469841075] [2021-05-04 00:10:01,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-04 00:10:01,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-04 00:10:02,327 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-04 00:10:02,328 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [469841075] [2021-05-04 00:10:02,328 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1541449098] [2021-05-04 00:10:02,328 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 [2021-05-04 00:10:02,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-04 00:10:02,360 WARN L261 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 56 conjunts are in the unsatisfiable core [2021-05-04 00:10:02,363 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-04 00:10:03,231 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2021-05-04 00:10:03,232 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-05-04 00:10:03,232 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 19 new quantified variables, introduced 45 case distinctions, treesize of input 47 treesize of output 394 [2021-05-04 00:10:07,614 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 1085 DAG size of output: 603 [2021-05-04 00:10:07,756 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 1478 DAG size of output: 701 [2021-05-04 00:10:07,932 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 1478 DAG size of output: 701 [2021-05-04 00:10:08,154 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 1483 DAG size of output: 698 [2021-05-04 00:10:08,310 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 700 DAG size of output: 888 [2021-05-04 00:10:12,381 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 2257 DAG size of output: 1208 [2021-05-04 00:10:12,543 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 2257 DAG size of output: 1208 [2021-05-04 00:10:12,717 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 2259 DAG size of output: 1208 [2021-05-04 00:10:13,351 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-04 00:10:13,353 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-04 00:10:13,353 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-05-04 00:10:13,353 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:47, output treesize:3 [2021-05-04 00:10:13,356 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-04 00:10:13,357 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-04 00:10:13,357 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 36 [2021-05-04 00:10:13,357 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144794844] [2021-05-04 00:10:13,357 INFO L460 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-05-04 00:10:13,357 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-04 00:10:13,357 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-05-04 00:10:13,358 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=1241, Unknown=0, NotChecked=0, Total=1332 [2021-05-04 00:10:13,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-04 00:10:13,358 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-04 00:10:13,358 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 37 states, 37 states have (on average 1.2432432432432432) internal successors, (46), 36 states have internal predecessors, (46), 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) [2021-05-04 00:10:13,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-04 00:10:13,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-04 00:10:13,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-04 00:10:13,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-05-04 00:10:13,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-05-04 00:10:13,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-04 00:10:13,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-05-04 00:10:13,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-04 00:10:13,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-05-04 00:10:13,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-05-04 00:10:13,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-05-04 00:10:13,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-05-04 00:10:13,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-05-04 00:10:13,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-05-04 00:10:13,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-05-04 00:10:13,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-04 00:10:13,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-04 00:10:13,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-04 00:10:13,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-04 00:10:13,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-05-04 00:10:13,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-05-04 00:10:13,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-04 00:10:13,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-04 00:10:13,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-04 00:10:13,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-05-04 00:10:13,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-05-04 00:10:13,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-04 00:10:13,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-05-04 00:10:13,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-05-04 00:10:13,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-05-04 00:10:13,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-05-04 00:10:13,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-05-04 00:10:14,099 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable971 [2021-05-04 00:10:14,099 INFO L428 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-04 00:10:14,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-04 00:10:14,099 INFO L82 PathProgramCache]: Analyzing trace with hash -867204362, now seen corresponding path program 14 times [2021-05-04 00:10:14,099 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-04 00:10:14,099 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1646909166] [2021-05-04 00:10:14,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-04 00:10:14,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-04 00:10:14,336 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-04 00:10:14,336 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1646909166] [2021-05-04 00:10:14,336 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1202325916] [2021-05-04 00:10:14,336 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 [2021-05-04 00:10:14,358 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-05-04 00:10:14,359 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-04 00:10:14,359 WARN L261 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 58 conjunts are in the unsatisfiable core [2021-05-04 00:10:14,360 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-04 00:10:15,101 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 243 [2021-05-04 00:10:15,102 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-05-04 00:10:15,102 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 0 disjoint index pairs (out of 55 index pairs), introduced 21 new quantified variables, introduced 55 case distinctions, treesize of input 51 treesize of output 477 [2021-05-04 00:10:17,055 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 787 DAG size of output: 884 [2021-05-04 00:10:17,174 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 765 DAG size of output: 798 [2021-05-04 00:10:17,286 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 754 DAG size of output: 1046 [2021-05-04 00:10:20,360 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 1046 DAG size of output: 420 [2021-05-04 00:10:23,271 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 1011 DAG size of output: 681 [2021-05-04 00:10:25,198 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 849 DAG size of output: 705 [2021-05-04 00:10:25,466 WARN L205 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 1470 DAG size of output: 1188 [2021-05-04 00:10:25,755 WARN L205 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 1619 DAG size of output: 1227 [2021-05-04 00:10:26,155 WARN L205 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 2285 DAG size of output: 1225 [2021-05-04 00:10:26,573 WARN L205 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 2817 DAG size of output: 1738 [2021-05-04 00:10:28,648 WARN L205 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 3264 DAG size of output: 2055 [2021-05-04 00:10:29,235 WARN L205 SmtUtils]: Spent 572.00 ms on a formula simplification. DAG size of input: 3617 DAG size of output: 2277 [2021-05-04 00:10:31,775 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 1039 DAG size of output: 765 [2021-05-04 00:10:33,565 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 835 DAG size of output: 775 [2021-05-04 00:10:33,830 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 1491 DAG size of output: 1304 [2021-05-04 00:10:36,770 WARN L205 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 2089 DAG size of output: 1539 [2021-05-04 00:10:37,184 WARN L205 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 2213 DAG size of output: 1647 [2021-05-04 00:10:38,154 WARN L205 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 2674 DAG size of output: 1767 [2021-05-04 00:10:38,712 WARN L205 SmtUtils]: Spent 543.00 ms on a formula simplification. DAG size of input: 3209 DAG size of output: 2284 [2021-05-04 00:10:39,280 WARN L205 SmtUtils]: Spent 551.00 ms on a formula simplification. DAG size of input: 3555 DAG size of output: 2587 [2021-05-04 00:10:42,250 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 1065 DAG size of output: 763 [2021-05-04 00:10:42,404 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 1077 DAG size of output: 756 [2021-05-04 00:10:42,567 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 1098 DAG size of output: 774 [2021-05-04 00:10:43,333 WARN L205 SmtUtils]: Spent 756.00 ms on a formula simplification. DAG size of input: 4497 DAG size of output: 3222 [2021-05-04 00:10:44,693 WARN L205 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 6099 DAG size of output: 4037 [2021-05-04 00:10:46,120 WARN L205 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 6527 DAG size of output: 4178 [2021-05-04 00:10:48,938 WARN L205 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 7214 DAG size of output: 4671 [2021-05-04 00:10:50,635 WARN L205 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 7644 DAG size of output: 5009 [2021-05-04 00:10:52,326 WARN L205 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 7644 DAG size of output: 5009 [2021-05-04 00:10:54,093 WARN L205 SmtUtils]: Spent 1.74 s on a formula simplification. DAG size of input: 7657 DAG size of output: 5022 [2021-05-04 00:10:56,186 WARN L205 SmtUtils]: Spent 2.06 s on a formula simplification. DAG size of input: 5024 DAG size of output: 6951 [2021-05-04 00:10:58,175 WARN L205 SmtUtils]: Spent 1.95 s on a formula simplification. DAG size of input: 4225 DAG size of output: 5817 [2021-05-04 00:10:59,327 WARN L205 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 3936 DAG size of output: 3639 [2021-05-04 00:11:01,200 WARN L205 SmtUtils]: Spent 1.85 s on a formula simplification. DAG size of input: 3441 DAG size of output: 4915 [2021-05-04 00:11:02,294 WARN L205 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 3369 DAG size of output: 3400 [2021-05-04 00:11:04,204 WARN L205 SmtUtils]: Spent 1.89 s on a formula simplification. DAG size of input: 3164 DAG size of output: 4663 [2021-05-04 00:11:05,047 WARN L205 SmtUtils]: Spent 817.00 ms on a formula simplification. DAG size of input: 2817 DAG size of output: 2759 [2021-05-04 00:11:06,914 WARN L205 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 2568 DAG size of output: 3483 [2021-05-04 00:11:08,060 WARN L205 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 2279 DAG size of output: 3278 [2021-05-04 00:11:08,468 WARN L205 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 1929 DAG size of output: 1913 [2021-05-04 00:11:08,822 WARN L205 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 1754 DAG size of output: 1754 [2021-05-04 00:11:09,166 WARN L205 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 1642 DAG size of output: 1642 [2021-05-04 00:11:09,354 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 1347 DAG size of output: 1347 [2021-05-04 00:11:10,135 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 935 [2021-05-04 00:11:10,353 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 818 [2021-05-04 00:11:11,679 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 1006 [2021-05-04 00:11:11,800 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 877 DAG size of output: 877 [2021-05-04 00:11:13,225 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 1715 DAG size of output: 767 [2021-05-04 00:11:13,716 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 2020 DAG size of output: 916 [2021-05-04 00:11:13,910 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 2176 DAG size of output: 1030 [2021-05-04 00:11:14,480 WARN L205 SmtUtils]: Spent 558.00 ms on a formula simplification. DAG size of input: 2193 DAG size of output: 2186 [2021-05-04 00:11:15,031 WARN L205 SmtUtils]: Spent 539.00 ms on a formula simplification. DAG size of input: 2032 DAG size of output: 2032 [2021-05-04 00:11:15,715 WARN L205 SmtUtils]: Spent 509.00 ms on a formula simplification. DAG size of input: 1930 DAG size of output: 1930 [2021-05-04 00:11:15,932 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 1241 DAG size of output: 1241 [2021-05-04 00:11:16,124 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 1080 DAG size of output: 1080 [2021-05-04 00:11:16,287 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 844 DAG size of output: 844 [2021-05-04 00:11:16,416 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 674 DAG size of output: 674 [2021-05-04 00:11:18,146 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 1545 DAG size of output: 1545 [2021-05-04 00:11:18,363 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 1152 [2021-05-04 00:11:18,700 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 1005 DAG size of output: 1005 [2021-05-04 00:11:19,034 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 835 DAG size of output: 835 [2021-05-04 00:11:19,173 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 814 DAG size of output: 814 [2021-05-04 00:11:19,304 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 769 [2021-05-04 00:11:21,024 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 1954 DAG size of output: 803 [2021-05-04 00:11:21,196 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 2119 DAG size of output: 870 [2021-05-04 00:11:21,407 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 2270 DAG size of output: 981 [2021-05-04 00:11:21,779 WARN L205 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 3632 DAG size of output: 1557 [2021-05-04 00:11:22,245 WARN L205 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 1827 DAG size of output: 1803 [2021-05-04 00:11:23,024 WARN L205 SmtUtils]: Spent 767.00 ms on a formula simplification. DAG size of input: 1697 DAG size of output: 2477 [2021-05-04 00:11:23,257 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 1218 DAG size of output: 1186 [2021-05-04 00:11:24,486 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 980 DAG size of output: 980 [2021-05-04 00:11:25,994 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 1147 DAG size of output: 680 [2021-05-04 00:11:26,392 WARN L205 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 1632 DAG size of output: 1621 [2021-05-04 00:11:26,571 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 1085 DAG size of output: 1085 [2021-05-04 00:11:26,881 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 955 DAG size of output: 955 [2021-05-04 00:11:27,020 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 775 DAG size of output: 775 [2021-05-04 00:11:27,135 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 640 DAG size of output: 640 [2021-05-04 00:11:28,435 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 1308 DAG size of output: 1304 [2021-05-04 00:11:28,608 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 1001 DAG size of output: 1001 [2021-05-04 00:11:28,896 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 885 DAG size of output: 885 [2021-05-04 00:11:29,158 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 750 DAG size of output: 750 [2021-05-04 00:11:29,286 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 730 DAG size of output: 730 [2021-05-04 00:11:29,400 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 705 DAG size of output: 705 [2021-05-04 00:11:30,704 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 1579 DAG size of output: 791 [2021-05-04 00:11:30,943 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 2376 DAG size of output: 1159 [2021-05-04 00:11:31,632 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 2677 DAG size of output: 1277 [2021-05-04 00:11:32,314 WARN L205 SmtUtils]: Spent 668.00 ms on a formula simplification. DAG size of input: 5640 DAG size of output: 2351 [2021-05-04 00:11:33,035 WARN L205 SmtUtils]: Spent 700.00 ms on a formula simplification. DAG size of input: 5962 DAG size of output: 2552 [2021-05-04 00:11:34,358 WARN L205 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 8298 DAG size of output: 3947 [2021-05-04 00:11:36,204 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 1076 DAG size of output: 776 [2021-05-04 00:11:36,318 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 1301 DAG size of output: 820 [2021-05-04 00:11:37,756 WARN L205 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 9172 DAG size of output: 4422 [2021-05-04 00:11:39,006 WARN L205 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 10737 DAG size of output: 3616 [2021-05-04 00:11:40,385 WARN L205 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 10966 DAG size of output: 3871 [2021-05-04 00:11:41,896 WARN L205 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 3550 DAG size of output: 4917 [2021-05-04 00:11:42,766 WARN L205 SmtUtils]: Spent 832.00 ms on a formula simplification. DAG size of input: 3465 DAG size of output: 3191 [2021-05-04 00:11:43,596 WARN L205 SmtUtils]: Spent 810.00 ms on a formula simplification. DAG size of input: 2997 DAG size of output: 2884 [2021-05-04 00:11:45,915 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 1381 DAG size of output: 930 [2021-05-04 00:11:46,140 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 1601 DAG size of output: 1074 [2021-05-04 00:11:47,501 WARN L205 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 2633 DAG size of output: 3806 [2021-05-04 00:11:48,457 WARN L205 SmtUtils]: Spent 936.00 ms on a formula simplification. DAG size of input: 2350 DAG size of output: 3155 [2021-05-04 00:11:48,907 WARN L205 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 2147 DAG size of output: 2139 [2021-05-04 00:11:50,246 WARN L205 SmtUtils]: Spent 811.00 ms on a formula simplification. DAG size of input: 1972 DAG size of output: 2870 [2021-05-04 00:11:50,569 WARN L205 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 1715 DAG size of output: 1715 [2021-05-04 00:11:50,845 WARN L205 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 1575 DAG size of output: 1575 [2021-05-04 00:11:51,352 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 1480 DAG size of output: 1480 [2021-05-04 00:11:51,478 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 879 DAG size of output: 879 [2021-05-04 00:11:52,687 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 1182 DAG size of output: 1182 [2021-05-04 00:11:54,678 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 1579 DAG size of output: 787 [2021-05-04 00:11:54,824 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 1781 DAG size of output: 919 [2021-05-04 00:11:54,982 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 1920 DAG size of output: 1017 [2021-05-04 00:11:55,416 WARN L205 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 1924 DAG size of output: 1918 [2021-05-04 00:11:55,799 WARN L205 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 1783 [2021-05-04 00:11:56,265 WARN L205 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 1697 DAG size of output: 1697 [2021-05-04 00:11:56,435 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 1040 DAG size of output: 1040 [2021-05-04 00:11:56,570 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 882 DAG size of output: 882 [2021-05-04 00:11:56,687 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 726 [2021-05-04 00:11:58,042 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 1330 DAG size of output: 1330 [2021-05-04 00:11:58,693 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 1035 [2021-05-04 00:11:58,827 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 886 [2021-05-04 00:12:00,282 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 1748 DAG size of output: 784 [2021-05-04 00:12:00,432 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 1833 DAG size of output: 843 [2021-05-04 00:12:00,601 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 1967 DAG size of output: 938 [2021-05-04 00:12:00,959 WARN L205 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 3166 DAG size of output: 1555 [2021-05-04 00:12:01,321 WARN L205 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 3445 DAG size of output: 1732 [2021-05-04 00:12:01,673 WARN L205 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 1603 DAG size of output: 1589 [2021-05-04 00:12:01,975 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 1456 DAG size of output: 1452 [2021-05-04 00:12:02,524 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 1367 DAG size of output: 1367 [2021-05-04 00:12:02,644 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 871 DAG size of output: 871 [2021-05-04 00:12:02,752 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 747 DAG size of output: 747 [2021-05-04 00:12:04,638 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 1081 DAG size of output: 1081 [2021-05-04 00:12:04,754 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 828 DAG size of output: 828 [2021-05-04 00:12:04,862 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 712 DAG size of output: 712 [2021-05-04 00:12:05,395 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 530 [2021-05-04 00:12:07,241 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 1732 DAG size of output: 1016 [2021-05-04 00:12:07,440 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 1893 DAG size of output: 1094 [2021-05-04 00:12:08,191 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 2173 DAG size of output: 1309 [2021-05-04 00:12:08,800 WARN L205 SmtUtils]: Spent 597.00 ms on a formula simplification. DAG size of input: 5017 DAG size of output: 2559 [2021-05-04 00:12:09,910 WARN L205 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 7041 DAG size of output: 3929 [2021-05-04 00:12:11,210 WARN L205 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 8301 DAG size of output: 4690 [2021-05-04 00:12:12,588 WARN L205 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 8530 DAG size of output: 4936 [2021-05-04 00:12:13,744 WARN L205 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 10374 DAG size of output: 3975 [2021-05-04 00:12:16,242 WARN L205 SmtUtils]: Spent 2.45 s on a formula simplification. DAG size of input: 19095 DAG size of output: 6530 [2021-05-04 00:12:18,928 WARN L205 SmtUtils]: Spent 2.61 s on a formula simplification. DAG size of input: 22145 DAG size of output: 6652 [2021-05-04 00:12:21,643 WARN L205 SmtUtils]: Spent 2.64 s on a formula simplification. DAG size of input: 22145 DAG size of output: 6652 [2021-05-04 00:12:24,441 WARN L205 SmtUtils]: Spent 2.75 s on a formula simplification. DAG size of input: 22154 DAG size of output: 6661 [2021-05-04 00:12:25,817 WARN L205 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 6658 DAG size of output: 6140 [2021-05-04 00:12:26,907 WARN L205 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 6142 DAG size of output: 4499 [2021-05-04 00:12:27,570 WARN L205 SmtUtils]: Spent 630.00 ms on a formula simplification. DAG size of input: 4127 DAG size of output: 2597 [2021-05-04 00:12:28,021 WARN L205 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 2592 DAG size of output: 2540 [2021-05-04 00:12:28,479 WARN L205 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 1698 DAG size of output: 2252 [2021-05-04 00:12:28,867 WARN L205 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 1634 DAG size of output: 1837 [2021-05-04 00:12:30,333 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 1183 DAG size of output: 777 [2021-05-04 00:12:31,588 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 1218 DAG size of output: 743 [2021-05-04 00:12:32,141 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 1862 DAG size of output: 882 [2021-05-04 00:12:32,292 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 1868 DAG size of output: 888 [2021-05-04 00:12:32,479 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 2313 DAG size of output: 1037 [2021-05-04 00:12:32,658 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 2313 DAG size of output: 1037 [2021-05-04 00:12:33,037 WARN L205 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 2320 DAG size of output: 1387 [2021-05-04 00:12:34,320 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-04 00:12:34,321 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-04 00:12:34,322 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-05-04 00:12:34,322 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:51, output treesize:3 [2021-05-04 00:12:34,325 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-04 00:12:34,325 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-04 00:12:34,326 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 36 [2021-05-04 00:12:34,326 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1953449121] [2021-05-04 00:12:34,326 INFO L460 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-05-04 00:12:34,326 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-04 00:12:34,326 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-05-04 00:12:34,327 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=1243, Unknown=0, NotChecked=0, Total=1332 [2021-05-04 00:12:34,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-04 00:12:34,327 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-04 00:12:34,327 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 37 states, 37 states have (on average 1.2972972972972974) internal successors, (48), 36 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) [2021-05-04 00:12:34,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-04 00:12:34,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-04 00:12:34,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-04 00:12:34,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-05-04 00:12:34,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-05-04 00:12:34,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-04 00:12:34,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-05-04 00:12:34,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-04 00:12:34,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-05-04 00:12:34,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-05-04 00:12:34,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-05-04 00:12:34,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-05-04 00:12:34,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-05-04 00:12:34,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-05-04 00:12:34,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-05-04 00:12:34,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-05-04 00:12:34,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-04 00:12:34,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-04 00:12:34,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-04 00:12:34,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-04 00:12:34,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-05-04 00:12:34,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-05-04 00:12:34,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-04 00:12:34,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-04 00:12:34,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-04 00:12:34,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-05-04 00:12:34,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-05-04 00:12:34,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-04 00:12:34,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-05-04 00:12:34,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-05-04 00:12:34,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-05-04 00:12:34,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-05-04 00:12:34,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-05-04 00:12:34,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-05-04 00:12:34,935 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2766 [2021-05-04 00:12:34,935 INFO L428 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-04 00:12:34,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-04 00:12:34,935 INFO L82 PathProgramCache]: Analyzing trace with hash -848391248, now seen corresponding path program 15 times [2021-05-04 00:12:34,936 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-04 00:12:34,936 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [371842664] [2021-05-04 00:12:34,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-04 00:12:34,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-04 00:12:35,073 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 55 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-04 00:12:35,073 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [371842664] [2021-05-04 00:12:35,073 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1549892643] [2021-05-04 00:12:35,073 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 [2021-05-04 00:12:35,103 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2021-05-04 00:12:35,103 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-04 00:12:35,103 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 19 conjunts are in the unsatisfiable core [2021-05-04 00:12:35,104 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-04 00:12:35,156 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 66 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-04 00:12:35,157 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-04 00:12:35,157 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 20 [2021-05-04 00:12:35,157 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114539101] [2021-05-04 00:12:35,157 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-05-04 00:12:35,157 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-04 00:12:35,157 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-05-04 00:12:35,157 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2021-05-04 00:12:35,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-04 00:12:35,157 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-04 00:12:35,158 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 1.4285714285714286) internal successors, (30), 20 states have internal predecessors, (30), 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) [2021-05-04 00:12:35,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-04 00:12:35,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-04 00:12:35,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-04 00:12:35,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-05-04 00:12:35,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-05-04 00:12:35,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-04 00:12:35,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-05-04 00:12:35,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-04 00:12:35,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-05-04 00:12:35,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-05-04 00:12:35,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-05-04 00:12:35,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-05-04 00:12:35,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-05-04 00:12:35,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-05-04 00:12:35,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-05-04 00:12:35,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-05-04 00:12:35,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-05-04 00:12:35,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-04 00:12:35,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-04 00:12:35,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-04 00:12:35,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-04 00:12:35,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-05-04 00:12:35,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-05-04 00:12:35,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-04 00:12:35,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-04 00:12:35,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-04 00:12:35,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-05-04 00:12:35,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-05-04 00:12:35,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-04 00:12:35,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-05-04 00:12:35,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-05-04 00:12:35,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-05-04 00:12:35,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-05-04 00:12:35,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-05-04 00:12:35,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-05-04 00:12:35,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-05-04 00:12:35,612 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18745,19 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-04 00:12:35,613 INFO L428 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-04 00:12:35,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-04 00:12:35,613 INFO L82 PathProgramCache]: Analyzing trace with hash -503708107, now seen corresponding path program 16 times [2021-05-04 00:12:35,616 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-04 00:12:35,616 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862235340] [2021-05-04 00:12:35,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-04 00:12:35,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-04 00:12:35,913 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-04 00:12:35,913 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1862235340] [2021-05-04 00:12:35,914 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1879543403] [2021-05-04 00:12:35,914 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 [2021-05-04 00:12:35,938 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-05-04 00:12:35,938 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-04 00:12:35,939 WARN L261 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 65 conjunts are in the unsatisfiable core [2021-05-04 00:12:35,940 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-04 00:12:36,895 WARN L205 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 289 [2021-05-04 00:12:36,896 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-05-04 00:12:36,896 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 23 new quantified variables, introduced 66 case distinctions, treesize of input 55 treesize of output 568 [2021-05-04 00:12:39,382 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 1471 DAG size of output: 1189 [2021-05-04 00:12:39,499 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 1495 DAG size of output: 1211 [2021-05-04 00:12:39,617 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 1495 DAG size of output: 1211 [2021-05-04 00:12:39,752 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 1514 DAG size of output: 1230 [2021-05-04 00:12:39,990 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 1232 DAG size of output: 1717 [2021-05-04 00:12:40,193 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 1177 DAG size of output: 1510 [2021-05-04 00:12:40,417 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 1065 DAG size of output: 1204 [2021-05-04 00:12:40,584 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 1038 DAG size of output: 1236 [2021-05-04 00:12:40,698 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 1033 DAG size of output: 1171 [2021-05-04 00:12:42,431 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 668 DAG size of output: 553 [2021-05-04 00:12:42,787 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 1003 DAG size of output: 1339 [2021-05-04 00:12:44,891 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 1104 DAG size of output: 769 [2021-05-04 00:12:48,237 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 818 DAG size of output: 829 [2021-05-04 00:12:48,378 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 1071 DAG size of output: 856 [2021-05-04 00:12:48,606 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 1525 DAG size of output: 1167 [2021-05-04 00:12:49,025 WARN L205 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 2199 DAG size of output: 1680 [2021-05-04 00:12:49,412 WARN L205 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 2294 DAG size of output: 1772 [2021-05-04 00:12:49,994 WARN L205 SmtUtils]: Spent 569.00 ms on a formula simplification. DAG size of input: 2794 DAG size of output: 2181 [2021-05-04 00:12:50,563 WARN L205 SmtUtils]: Spent 553.00 ms on a formula simplification. DAG size of input: 2795 DAG size of output: 2171 [2021-05-04 00:12:52,968 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 1065 DAG size of output: 898 [2021-05-04 00:12:53,171 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 1165 DAG size of output: 996 [2021-05-04 00:12:54,254 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 1591 DAG size of output: 1311 [2021-05-04 00:12:54,516 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 1594 DAG size of output: 1314 [2021-05-04 00:12:55,238 WARN L205 SmtUtils]: Spent 711.00 ms on a formula simplification. DAG size of input: 4029 DAG size of output: 2945 [2021-05-04 00:12:56,777 WARN L205 SmtUtils]: Spent 801.00 ms on a formula simplification. DAG size of input: 4493 DAG size of output: 3243 [2021-05-04 00:12:56,931 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 1110 DAG size of output: 1289 [2021-05-04 00:12:57,224 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 1069 DAG size of output: 1287 [2021-05-04 00:12:57,419 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 1033 DAG size of output: 1165 [2021-05-04 00:12:58,510 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 636 DAG size of output: 714 [2021-05-04 00:12:59,149 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 954 DAG size of output: 983 [2021-05-04 00:12:59,305 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 1031 DAG size of output: 1370 [2021-05-04 00:12:59,472 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 1027 DAG size of output: 1349 [2021-05-04 00:12:59,631 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 934 DAG size of output: 1225 [2021-05-04 00:13:01,407 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 858 DAG size of output: 789 [2021-05-04 00:13:02,971 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 1479 DAG size of output: 1257 [2021-05-04 00:13:04,649 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 670 DAG size of output: 690 [2021-05-04 00:13:04,926 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 2040 DAG size of output: 1719 [2021-05-04 00:13:05,281 WARN L205 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 2502 DAG size of output: 2129 [2021-05-04 00:13:05,711 WARN L205 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 3048 DAG size of output: 2575 [2021-05-04 00:13:06,234 WARN L205 SmtUtils]: Spent 507.00 ms on a formula simplification. DAG size of input: 3439 DAG size of output: 3068 [2021-05-04 00:13:06,897 WARN L205 SmtUtils]: Spent 642.00 ms on a formula simplification. DAG size of input: 4191 DAG size of output: 3792 [2021-05-04 00:13:07,790 WARN L205 SmtUtils]: Spent 710.00 ms on a formula simplification. DAG size of input: 4415 DAG size of output: 3979 [2021-05-04 00:13:08,622 WARN L205 SmtUtils]: Spent 807.00 ms on a formula simplification. DAG size of input: 4904 DAG size of output: 4421 [2021-05-04 00:13:09,845 WARN L205 SmtUtils]: Spent 862.00 ms on a formula simplification. DAG size of input: 5137 DAG size of output: 4614 [2021-05-04 00:13:12,199 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 1353 DAG size of output: 981 [2021-05-04 00:13:13,492 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 1858 DAG size of output: 1354 [2021-05-04 00:13:13,741 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 2129 DAG size of output: 1573 [2021-05-04 00:13:14,328 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 2353 DAG size of output: 1744 [2021-05-04 00:13:15,429 WARN L205 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 6896 DAG size of output: 5346 [2021-05-04 00:13:17,341 WARN L205 SmtUtils]: Spent 1.87 s on a formula simplification. DAG size of input: 10593 DAG size of output: 7527 [2021-05-04 00:13:17,577 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 1226 DAG size of output: 1612 [2021-05-04 00:13:17,722 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 1151 DAG size of output: 1338 [2021-05-04 00:13:17,928 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 1134 DAG size of output: 1358 [2021-05-04 00:13:18,056 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 1129 DAG size of output: 1246 [2021-05-04 00:13:18,228 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 1088 DAG size of output: 1430 [2021-05-04 00:13:18,408 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 1081 DAG size of output: 1381 [2021-05-04 00:13:18,581 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 960 DAG size of output: 1234 [2021-05-04 00:13:18,755 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 953 DAG size of output: 1239 [2021-05-04 00:13:22,304 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 776 DAG size of output: 756 [2021-05-04 00:13:22,456 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 1292 DAG size of output: 1310 [2021-05-04 00:13:22,623 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 1494 DAG size of output: 1343 [2021-05-04 00:13:22,861 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 1871 DAG size of output: 1621 [2021-05-04 00:13:23,114 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 1890 DAG size of output: 1640 [2021-05-04 00:13:23,399 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 1945 DAG size of output: 1680 [2021-05-04 00:13:23,574 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 785 DAG size of output: 889 [2021-05-04 00:13:25,043 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 1060 DAG size of output: 822 [2021-05-04 00:13:27,147 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 1196 DAG size of output: 880 [2021-05-04 00:13:27,342 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 1709 DAG size of output: 1372 [2021-05-04 00:13:27,857 WARN L205 SmtUtils]: Spent 504.00 ms on a formula simplification. DAG size of input: 3161 DAG size of output: 2670 [2021-05-04 00:13:28,413 WARN L205 SmtUtils]: Spent 539.00 ms on a formula simplification. DAG size of input: 3634 DAG size of output: 3105 [2021-05-04 00:13:29,091 WARN L205 SmtUtils]: Spent 658.00 ms on a formula simplification. DAG size of input: 4193 DAG size of output: 3539 [2021-05-04 00:13:29,833 WARN L205 SmtUtils]: Spent 720.00 ms on a formula simplification. DAG size of input: 4712 DAG size of output: 4050 [2021-05-04 00:13:32,640 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 1272 DAG size of output: 1413 [2021-05-04 00:13:32,849 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 1445 DAG size of output: 1584 [2021-05-04 00:13:33,082 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 1621 DAG size of output: 1706 [2021-05-04 00:13:33,374 WARN L205 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 1823 DAG size of output: 1886 [2021-05-04 00:13:34,417 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 6186 DAG size of output: 5607 [2021-05-04 00:13:35,614 WARN L205 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 6778 DAG size of output: 6039 [2021-05-04 00:13:35,755 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 636 DAG size of output: 814 [2021-05-04 00:13:38,800 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 1114 DAG size of output: 936 [2021-05-04 00:13:38,981 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 1246 DAG size of output: 991 [2021-05-04 00:13:39,129 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 1393 DAG size of output: 1032 [2021-05-04 00:13:39,313 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 1781 DAG size of output: 1323 [2021-05-04 00:13:39,526 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 2049 DAG size of output: 1480 [2021-05-04 00:13:41,013 WARN L205 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 2631 DAG size of output: 1918 [2021-05-04 00:13:41,562 WARN L205 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 2855 DAG size of output: 2044 [2021-05-04 00:13:41,962 WARN L205 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 2955 DAG size of output: 2138 [2021-05-04 00:13:42,374 WARN L205 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 3247 DAG size of output: 2348 [2021-05-04 00:13:43,877 WARN L205 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 9320 DAG size of output: 7109 [2021-05-04 00:13:44,050 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 1144 DAG size of output: 1285 [2021-05-04 00:13:44,322 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 1091 DAG size of output: 1291 [2021-05-04 00:13:44,440 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 1086 DAG size of output: 1231 [2021-05-04 00:13:45,747 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 804 DAG size of output: 771 [2021-05-04 00:13:45,895 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 882 DAG size of output: 834 [2021-05-04 00:13:46,064 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 1083 DAG size of output: 1458 [2021-05-04 00:13:47,820 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 799 DAG size of output: 849 [2021-05-04 00:13:47,936 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 1040 DAG size of output: 885 [2021-05-04 00:13:49,004 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 1484 DAG size of output: 1155 [2021-05-04 00:13:49,200 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 1534 DAG size of output: 1205 [2021-05-04 00:13:51,624 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 976 DAG size of output: 973 [2021-05-04 00:13:51,783 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 1117 DAG size of output: 1125 [2021-05-04 00:13:51,966 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 1381 DAG size of output: 1158 [2021-05-04 00:13:53,705 WARN L205 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 1969 DAG size of output: 1612 [2021-05-04 00:13:54,017 WARN L205 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 1990 DAG size of output: 1633 [2021-05-04 00:13:54,542 WARN L205 SmtUtils]: Spent 513.00 ms on a formula simplification. DAG size of input: 2977 DAG size of output: 2504 [2021-05-04 00:13:55,190 WARN L205 SmtUtils]: Spent 631.00 ms on a formula simplification. DAG size of input: 3664 DAG size of output: 3170 [2021-05-04 00:13:55,891 WARN L205 SmtUtils]: Spent 679.00 ms on a formula simplification. DAG size of input: 3665 DAG size of output: 3165 [2021-05-04 00:13:56,800 WARN L205 SmtUtils]: Spent 683.00 ms on a formula simplification. DAG size of input: 3828 DAG size of output: 3307 [2021-05-04 00:13:57,150 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 594 DAG size of output: 768 [2021-05-04 00:13:59,780 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 1044 DAG size of output: 977 [2021-05-04 00:13:59,931 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 1066 DAG size of output: 992 [2021-05-04 00:14:03,148 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 1113 DAG size of output: 1107 [2021-05-04 00:14:03,338 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 1135 DAG size of output: 1110 [2021-05-04 00:14:03,556 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 1175 DAG size of output: 1130 [2021-05-04 00:14:03,910 WARN L205 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 1986 DAG size of output: 1919 [2021-05-04 00:14:04,303 WARN L205 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 2247 DAG size of output: 2053 [2021-05-04 00:14:06,031 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 821 DAG size of output: 676 [2021-05-04 00:14:06,143 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 923 DAG size of output: 679 [2021-05-04 00:14:06,657 WARN L205 SmtUtils]: Spent 506.00 ms on a formula simplification. DAG size of input: 2959 DAG size of output: 2569 [2021-05-04 00:14:07,244 WARN L205 SmtUtils]: Spent 569.00 ms on a formula simplification. DAG size of input: 2962 DAG size of output: 2572 [2021-05-04 00:14:08,493 WARN L205 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 6145 DAG size of output: 5049 [2021-05-04 00:14:11,363 WARN L205 SmtUtils]: Spent 2.82 s on a formula simplification. DAG size of input: 14298 DAG size of output: 11123 [2021-05-04 00:14:16,191 WARN L205 SmtUtils]: Spent 4.74 s on a formula simplification. DAG size of input: 22836 DAG size of output: 16311 [2021-05-04 00:14:21,120 WARN L205 SmtUtils]: Spent 4.82 s on a formula simplification. DAG size of input: 22836 DAG size of output: 16311 [2021-05-04 00:14:26,412 WARN L205 SmtUtils]: Spent 5.21 s on a formula simplification. DAG size of input: 22851 DAG size of output: 16326 [2021-05-04 00:14:29,968 WARN L205 SmtUtils]: Spent 3.49 s on a formula simplification. DAG size of input: 16320 DAG size of output: 16017 [2021-05-04 00:14:34,876 WARN L205 SmtUtils]: Spent 4.79 s on a formula simplification. DAG size of input: 16019 DAG size of output: 17458 [2021-05-04 00:14:36,732 WARN L205 SmtUtils]: Spent 1.78 s on a formula simplification. DAG size of input: 8798 DAG size of output: 8842 [2021-05-04 00:14:39,072 WARN L205 SmtUtils]: Spent 2.28 s on a formula simplification. DAG size of input: 8433 DAG size of output: 10247 [2021-05-04 00:14:40,581 WARN L205 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 8283 DAG size of output: 8210 [2021-05-04 00:14:41,233 WARN L205 SmtUtils]: Spent 613.00 ms on a formula simplification. DAG size of input: 4000 DAG size of output: 4000 [2021-05-04 00:14:41,590 WARN L205 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 2400 DAG size of output: 2445 [2021-05-04 00:14:41,871 WARN L205 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 2304 DAG size of output: 2184 [2021-05-04 00:14:42,065 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 1597 DAG size of output: 1573 [2021-05-04 00:14:42,238 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 1546 [2021-05-04 00:14:42,362 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 1251 [2021-05-04 00:14:42,512 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 1073 DAG size of output: 1070 [2021-05-04 00:14:42,647 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 1070 DAG size of output: 1107 [2021-05-04 00:14:45,871 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 878 DAG size of output: 590 [2021-05-04 00:14:45,984 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 931 DAG size of output: 640 [2021-05-04 00:14:46,105 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 932 DAG size of output: 640 [2021-05-04 00:14:46,648 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 1071 DAG size of output: 680 [2021-05-04 00:14:46,808 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 1413 DAG size of output: 744 [2021-05-04 00:14:46,980 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 1435 DAG size of output: 757 [2021-05-04 00:14:48,840 WARN L205 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 2011 DAG size of output: 1118 [2021-05-04 00:14:49,137 WARN L205 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 2209 DAG size of output: 1310 [2021-05-04 00:14:49,429 WARN L205 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 1869 DAG size of output: 1860 [2021-05-04 00:14:49,663 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 1672 DAG size of output: 1643 [2021-05-04 00:14:49,922 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 1618 DAG size of output: 1596 [2021-05-04 00:14:50,154 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 1594 DAG size of output: 1589 [2021-05-04 00:14:52,647 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 1179 DAG size of output: 791 [2021-05-04 00:14:52,811 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 983 DAG size of output: 1068 [2021-05-04 00:14:52,932 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 978 DAG size of output: 978 [2021-05-04 00:14:55,282 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 477 [2021-05-04 00:14:55,958 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 1038 DAG size of output: 770 [2021-05-04 00:14:56,098 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 1234 DAG size of output: 861 [2021-05-04 00:14:56,262 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 1378 DAG size of output: 995 [2021-05-04 00:14:56,558 WARN L205 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 2380 DAG size of output: 1565 [2021-05-04 00:14:56,880 WARN L205 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 2381 DAG size of output: 1445 [2021-05-04 00:14:57,186 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 2398 DAG size of output: 1442 [2021-05-04 00:14:57,516 WARN L205 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 2557 DAG size of output: 1533 [2021-05-04 00:14:58,162 WARN L205 SmtUtils]: Spent 633.00 ms on a formula simplification. DAG size of input: 4463 DAG size of output: 2486 [2021-05-04 00:14:58,788 WARN L205 SmtUtils]: Spent 606.00 ms on a formula simplification. DAG size of input: 4464 DAG size of output: 2437 [2021-05-04 00:14:59,851 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 6866 DAG size of output: 3926 [2021-05-04 00:15:00,976 WARN L205 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 7307 DAG size of output: 3953 [2021-05-04 00:15:03,429 WARN L205 SmtUtils]: Spent 2.36 s on a formula simplification. DAG size of input: 18425 DAG size of output: 8255 [2021-05-04 00:15:05,833 WARN L205 SmtUtils]: Spent 2.32 s on a formula simplification. DAG size of input: 18425 DAG size of output: 8255 [2021-05-04 00:15:08,376 WARN L205 SmtUtils]: Spent 2.45 s on a formula simplification. DAG size of input: 18430 DAG size of output: 8260 [2021-05-04 00:15:09,055 WARN L205 SmtUtils]: Spent 639.00 ms on a formula simplification. DAG size of input: 3858 DAG size of output: 3615 [2021-05-04 00:15:09,640 WARN L205 SmtUtils]: Spent 556.00 ms on a formula simplification. DAG size of input: 3588 DAG size of output: 2953 [2021-05-04 00:15:10,057 WARN L205 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 2008 DAG size of output: 2275 [2021-05-04 00:15:10,427 WARN L205 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 1982 DAG size of output: 2118 [2021-05-04 00:15:10,701 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 1947 DAG size of output: 1853 [2021-05-04 00:15:11,024 WARN L205 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 1825 DAG size of output: 1823 [2021-05-04 00:15:11,190 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 1281 DAG size of output: 1281 [2021-05-04 00:15:11,352 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 1261 DAG size of output: 1261 [2021-05-04 00:15:11,505 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 1252 DAG size of output: 1252 [2021-05-04 00:15:12,156 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 730 DAG size of output: 773 [2021-05-04 00:15:13,759 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 1265 DAG size of output: 746 [2021-05-04 00:15:13,871 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 1448 DAG size of output: 755 [2021-05-04 00:15:13,993 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 1899 DAG size of output: 779 [2021-05-04 00:15:14,177 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 2846 DAG size of output: 882 [2021-05-04 00:15:14,342 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 2917 DAG size of output: 883 [2021-05-04 00:15:15,301 WARN L205 SmtUtils]: Spent 927.00 ms on a formula simplification. DAG size of input: 4647 DAG size of output: 4771 [2021-05-04 00:15:15,794 WARN L205 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 4240 DAG size of output: 2333 [2021-05-04 00:15:16,052 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 1682 DAG size of output: 1686 [2021-05-04 00:15:16,316 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 1624 DAG size of output: 1647 [2021-05-04 00:15:16,572 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 1528 DAG size of output: 1537 [2021-05-04 00:15:16,788 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 1487 DAG size of output: 1537 [2021-05-04 00:15:16,969 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 1468 DAG size of output: 1468 [2021-05-04 00:15:17,100 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 809 DAG size of output: 943 [2021-05-04 00:15:17,296 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 772 DAG size of output: 904 [2021-05-04 00:15:18,385 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 846 DAG size of output: 1149 [2021-05-04 00:15:19,933 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 1781 DAG size of output: 757 [2021-05-04 00:15:20,112 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 2454 DAG size of output: 607 [2021-05-04 00:15:20,320 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 3424 DAG size of output: 1385 [2021-05-04 00:15:20,740 WARN L205 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 6129 DAG size of output: 2118 [2021-05-04 00:15:21,124 WARN L205 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 6129 DAG size of output: 2118 [2021-05-04 00:15:21,555 WARN L205 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 6134 DAG size of output: 2127 [2021-05-04 00:15:21,883 WARN L205 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 2129 DAG size of output: 1963 [2021-05-04 00:15:22,090 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 1913 DAG size of output: 1900 [2021-05-04 00:15:24,681 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 762 DAG size of output: 906 [2021-05-04 00:15:24,807 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 684 DAG size of output: 814 [2021-05-04 00:15:27,736 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 1565 DAG size of output: 702 [2021-05-04 00:15:29,216 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 776 DAG size of output: 769 [2021-05-04 00:15:29,814 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 622 DAG size of output: 868 [2021-05-04 00:15:32,829 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 1294 DAG size of output: 858 [2021-05-04 00:15:32,955 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 1633 DAG size of output: 858 [2021-05-04 00:15:33,107 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 1922 DAG size of output: 965 [2021-05-04 00:15:34,338 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 2577 DAG size of output: 1081 [2021-05-04 00:15:34,614 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 3275 DAG size of output: 1346 [2021-05-04 00:15:35,164 WARN L205 SmtUtils]: Spent 524.00 ms on a formula simplification. DAG size of input: 5859 DAG size of output: 2418 [2021-05-04 00:15:35,712 WARN L205 SmtUtils]: Spent 524.00 ms on a formula simplification. DAG size of input: 5945 DAG size of output: 2471 [2021-05-04 00:15:36,281 WARN L205 SmtUtils]: Spent 547.00 ms on a formula simplification. DAG size of input: 5945 DAG size of output: 2471 [2021-05-04 00:15:36,863 WARN L205 SmtUtils]: Spent 538.00 ms on a formula simplification. DAG size of input: 5950 DAG size of output: 2476 [2021-05-04 00:15:37,181 WARN L205 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 2476 DAG size of output: 2297 [2021-05-04 00:15:37,528 WARN L205 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 2254 DAG size of output: 1494 [2021-05-04 00:15:37,687 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 963 DAG size of output: 1120 [2021-05-04 00:15:38,680 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 1113 DAG size of output: 717 [2021-05-04 00:15:39,537 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 1464 DAG size of output: 962 [2021-05-04 00:15:39,711 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 1489 DAG size of output: 984 [2021-05-04 00:15:39,890 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 1489 DAG size of output: 984 [2021-05-04 00:15:40,069 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 1491 DAG size of output: 987 [2021-05-04 00:15:40,226 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 989 DAG size of output: 1257 [2021-05-04 00:15:40,361 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 809 DAG size of output: 597 [2021-05-04 00:15:40,917 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-04 00:15:40,918 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-04 00:15:40,918 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-05-04 00:15:40,918 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:3 [2021-05-04 00:15:40,923 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-04 00:15:40,923 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-04 00:15:40,923 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22] total 42 [2021-05-04 00:15:40,923 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721233897] [2021-05-04 00:15:40,924 INFO L460 AbstractCegarLoop]: Interpolant automaton has 43 states [2021-05-04 00:15:40,924 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-04 00:15:40,924 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2021-05-04 00:15:40,924 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=1700, Unknown=0, NotChecked=0, Total=1806 [2021-05-04 00:15:40,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-04 00:15:40,924 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-04 00:15:40,926 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 43 states, 43 states have (on average 1.2093023255813953) internal successors, (52), 42 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) [2021-05-04 00:15:40,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-04 00:15:40,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-04 00:15:40,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-04 00:15:40,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-05-04 00:15:40,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-05-04 00:15:40,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-04 00:15:40,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-05-04 00:15:40,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-04 00:15:40,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-05-04 00:15:40,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-05-04 00:15:40,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-05-04 00:15:40,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-05-04 00:15:40,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-05-04 00:15:40,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-05-04 00:15:40,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-05-04 00:15:40,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-05-04 00:15:40,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-05-04 00:15:40,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-05-04 00:15:40,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-04 00:15:41,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-04 00:15:41,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-04 00:15:41,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-04 00:15:41,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-05-04 00:15:41,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-05-04 00:15:41,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-04 00:15:41,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-04 00:15:41,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-04 00:15:41,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-05-04 00:15:41,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-05-04 00:15:41,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-04 00:15:41,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-05-04 00:15:41,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-05-04 00:15:41,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-05-04 00:15:41,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-05-04 00:15:41,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-05-04 00:15:41,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-05-04 00:15:41,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-05-04 00:15:41,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-05-04 00:15:41,681 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18746,20 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-04 00:15:41,682 INFO L428 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-04 00:15:41,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-04 00:15:41,682 INFO L82 PathProgramCache]: Analyzing trace with hash 395825263, now seen corresponding path program 17 times [2021-05-04 00:15:41,682 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-04 00:15:41,682 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1617109907] [2021-05-04 00:15:41,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-04 00:15:41,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-04 00:15:42,089 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-04 00:15:42,089 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1617109907] [2021-05-04 00:15:42,089 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [473490700] [2021-05-04 00:15:42,089 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 [2021-05-04 00:15:42,119 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2021-05-04 00:15:42,119 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-04 00:15:42,120 WARN L261 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 67 conjunts are in the unsatisfiable core [2021-05-04 00:15:42,121 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-04 00:15:43,276 WARN L205 SmtUtils]: Spent 437.00 ms on a formula simplification that was a NOOP. DAG size: 339 [2021-05-04 00:15:43,277 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-05-04 00:15:43,277 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 13 select indices, 13 select index equivalence classes, 0 disjoint index pairs (out of 78 index pairs), introduced 25 new quantified variables, introduced 78 case distinctions, treesize of input 59 treesize of output 667 [2021-05-04 00:15:48,055 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 1954 DAG size of output: 1547 [2021-05-04 00:15:48,197 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 1998 DAG size of output: 1590 [2021-05-04 00:15:48,346 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 2025 DAG size of output: 1617 [2021-05-04 00:15:48,607 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 3337 DAG size of output: 2495 [2021-05-04 00:15:48,868 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 3337 DAG size of output: 2495 [2021-05-04 00:15:49,208 WARN L205 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 3360 DAG size of output: 2518 [2021-05-04 00:15:49,420 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 2509 DAG size of output: 2506 [2021-05-04 00:15:49,686 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 2508 DAG size of output: 2523 [2021-05-04 00:15:49,902 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 2497 DAG size of output: 2494 [2021-05-04 00:15:50,096 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 1589 DAG size of output: 1968 [2021-05-04 00:15:50,234 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 1586 DAG size of output: 1595 [2021-05-04 00:15:50,382 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 1583 DAG size of output: 1663 [2021-05-04 00:15:50,533 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 1578 DAG size of output: 1578 [2021-05-04 00:15:50,665 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 1557 DAG size of output: 1557 [2021-05-04 00:15:50,776 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 1552 [2021-05-04 00:15:51,769 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 1510 [2021-05-04 00:15:53,471 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 1494 DAG size of output: 1104 [2021-05-04 00:15:54,863 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 2657 DAG size of output: 1450 [2021-05-04 00:15:55,064 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 3267 DAG size of output: 1895 [2021-05-04 00:15:55,276 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 3290 DAG size of output: 1917 [2021-05-04 00:15:55,534 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 3310 DAG size of output: 1936 [2021-05-04 00:15:55,774 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 3445 DAG size of output: 2035 [2021-05-04 00:15:56,027 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 3487 DAG size of output: 2073 [2021-05-04 00:15:56,329 WARN L205 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 3913 DAG size of output: 2323 [2021-05-04 00:15:56,497 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 1154 DAG size of output: 1549 [2021-05-04 00:15:56,740 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 1148 DAG size of output: 1246 [2021-05-04 00:15:57,048 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 1117 DAG size of output: 1161 [2021-05-04 00:15:59,089 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 1881 DAG size of output: 1136 [2021-05-04 00:15:59,241 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 2316 DAG size of output: 1394 [2021-05-04 00:15:59,721 WARN L205 SmtUtils]: Spent 465.00 ms on a formula simplification. DAG size of input: 5749 DAG size of output: 3310 [2021-05-04 00:16:00,197 WARN L205 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 5779 DAG size of output: 3337 [2021-05-04 00:16:00,690 WARN L205 SmtUtils]: Spent 465.00 ms on a formula simplification. DAG size of input: 5779 DAG size of output: 3337 [2021-05-04 00:16:01,355 WARN L205 SmtUtils]: Spent 626.00 ms on a formula simplification. DAG size of input: 5791 DAG size of output: 3379 [2021-05-04 00:16:01,818 WARN L205 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 3344 DAG size of output: 3420 [2021-05-04 00:16:02,243 WARN L205 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 3280 DAG size of output: 3293 [2021-05-04 00:16:02,629 WARN L205 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 3216 DAG size of output: 3216 [2021-05-04 00:16:03,023 WARN L205 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 3191 DAG size of output: 3115 [2021-05-04 00:16:03,473 WARN L205 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 3087 DAG size of output: 3174 [2021-05-04 00:16:03,777 WARN L205 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 2011 DAG size of output: 1913 [2021-05-04 00:16:03,936 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 1693 [2021-05-04 00:16:05,537 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 1207 DAG size of output: 1207 [2021-05-04 00:16:05,863 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 1004 DAG size of output: 1200 [2021-05-04 00:16:08,594 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 2067 DAG size of output: 912 [2021-05-04 00:16:08,788 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 2374 DAG size of output: 1168 [2021-05-04 00:16:09,095 WARN L205 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 3536 DAG size of output: 2226 [2021-05-04 00:16:09,430 WARN L205 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 3594 DAG size of output: 2268 [2021-05-04 00:16:09,830 WARN L205 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 3621 DAG size of output: 2239 [2021-05-04 00:16:10,206 WARN L205 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 3728 DAG size of output: 2298 [2021-05-04 00:16:10,630 WARN L205 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 3943 DAG size of output: 2495 [2021-05-04 00:16:11,099 WARN L205 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 4030 DAG size of output: 2583 [2021-05-04 00:16:11,551 WARN L205 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 4030 DAG size of output: 2583 [2021-05-04 00:16:12,030 WARN L205 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 4035 DAG size of output: 2581 [2021-05-04 00:16:12,542 WARN L205 SmtUtils]: Spent 494.00 ms on a formula simplification. DAG size of input: 2583 DAG size of output: 2779 [2021-05-04 00:16:13,097 WARN L205 SmtUtils]: Spent 536.00 ms on a formula simplification. DAG size of input: 2278 DAG size of output: 3164 [2021-05-04 00:16:13,536 WARN L205 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 1697 DAG size of output: 2269 [2021-05-04 00:16:13,790 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 1451 DAG size of output: 1548 [2021-05-04 00:16:13,922 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 1097 DAG size of output: 994 [2021-05-04 00:16:14,370 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 873 DAG size of output: 1198 [2021-05-04 00:16:14,500 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 785 DAG size of output: 999 [2021-05-04 00:16:14,634 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 755 DAG size of output: 1074 [2021-05-04 00:16:16,066 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 687 DAG size of output: 869 [2021-05-04 00:16:17,356 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 1336 DAG size of output: 714 [2021-05-04 00:16:17,481 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 1337 DAG size of output: 717 [2021-05-04 00:16:17,617 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 1470 DAG size of output: 809 [2021-05-04 00:16:17,878 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 2186 DAG size of output: 1283 [2021-05-04 00:16:18,081 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 1606 DAG size of output: 1604 [2021-05-04 00:16:18,283 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 1539 DAG size of output: 1539 [2021-05-04 00:16:18,446 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 1381 DAG size of output: 1381 [2021-05-04 00:16:19,087 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 1324 DAG size of output: 1284 [2021-05-04 00:16:19,365 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 1275 DAG size of output: 1269 [2021-05-04 00:16:19,530 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 941 DAG size of output: 1256 [2021-05-04 00:16:21,133 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 724 DAG size of output: 875 [2021-05-04 00:16:22,430 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 1729 DAG size of output: 979 [2021-05-04 00:16:22,649 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 1761 DAG size of output: 1012 [2021-05-04 00:16:22,850 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 2055 DAG size of output: 1192 [2021-05-04 00:16:23,159 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 2199 DAG size of output: 1322 [2021-05-04 00:16:23,402 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 2262 DAG size of output: 1363 [2021-05-04 00:16:23,921 WARN L205 SmtUtils]: Spent 504.00 ms on a formula simplification. DAG size of input: 3895 DAG size of output: 2281 [2021-05-04 00:16:24,427 WARN L205 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 2028 DAG size of output: 2639 [2021-05-04 00:16:24,633 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 1660 DAG size of output: 1652 [2021-05-04 00:16:24,830 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 1623 DAG size of output: 1623 [2021-05-04 00:16:25,428 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 1493 DAG size of output: 1601 [2021-05-04 00:16:25,560 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 1135 DAG size of output: 1042 [2021-05-04 00:16:25,731 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 1023 DAG size of output: 1243 [2021-05-04 00:16:25,847 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 741 DAG size of output: 885 [2021-05-04 00:16:25,959 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 691 DAG size of output: 924 [2021-05-04 00:16:27,340 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 867 DAG size of output: 1038 [2021-05-04 00:16:27,622 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 751 DAG size of output: 1052 [2021-05-04 00:16:27,804 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 690 DAG size of output: 833 [2021-05-04 00:16:29,214 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 943 DAG size of output: 758 [2021-05-04 00:16:29,548 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 1056 DAG size of output: 809 [2021-05-04 00:16:29,743 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 1766 DAG size of output: 1200 [2021-05-04 00:16:29,968 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 1941 DAG size of output: 1296 [2021-05-04 00:16:30,205 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 1967 DAG size of output: 1313 [2021-05-04 00:16:30,469 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 1954 DAG size of output: 1952 [2021-05-04 00:16:30,870 WARN L205 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 1885 DAG size of output: 2090 [2021-05-04 00:16:31,040 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 1388 DAG size of output: 1370 [2021-05-04 00:16:31,348 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 1250 DAG size of output: 1248 [2021-05-04 00:16:31,752 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 1202 DAG size of output: 1166 [2021-05-04 00:16:31,901 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 1155 DAG size of output: 1155 [2021-05-04 00:16:32,088 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 1131 DAG size of output: 1416 [2021-05-04 00:16:32,291 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 946 DAG size of output: 1130 [2021-05-04 00:16:33,751 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 820 DAG size of output: 949 [2021-05-04 00:16:33,868 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 743 DAG size of output: 969 [2021-05-04 00:16:35,198 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 1135 DAG size of output: 884 [2021-05-04 00:16:35,335 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 1196 DAG size of output: 913 [2021-05-04 00:16:35,583 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 2191 DAG size of output: 1524 [2021-05-04 00:16:35,902 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 2245 DAG size of output: 1553 [2021-05-04 00:16:36,407 WARN L205 SmtUtils]: Spent 491.00 ms on a formula simplification. DAG size of input: 3475 DAG size of output: 2322 [2021-05-04 00:16:37,432 WARN L205 SmtUtils]: Spent 1000.00 ms on a formula simplification. DAG size of input: 6866 DAG size of output: 4100 [2021-05-04 00:16:38,528 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 7402 DAG size of output: 4105 [2021-05-04 00:16:39,604 WARN L205 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 7402 DAG size of output: 4105 [2021-05-04 00:16:40,704 WARN L205 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 7407 DAG size of output: 4110 [2021-05-04 00:16:41,211 WARN L205 SmtUtils]: Spent 476.00 ms on a formula simplification. DAG size of input: 4112 DAG size of output: 2364 [2021-05-04 00:16:41,622 WARN L205 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 2072 DAG size of output: 1846 [2021-05-04 00:16:41,891 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 1675 DAG size of output: 1494 [2021-05-04 00:16:43,714 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 1191 DAG size of output: 858 [2021-05-04 00:16:43,864 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 841 DAG size of output: 972 [2021-05-04 00:16:46,177 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 1057 DAG size of output: 813 [2021-05-04 00:16:46,383 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 1945 DAG size of output: 1310 [2021-05-04 00:16:47,072 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 2171 DAG size of output: 1451 [2021-05-04 00:16:47,364 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 2265 DAG size of output: 1520 [2021-05-04 00:16:47,622 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 2265 DAG size of output: 1520 [2021-05-04 00:16:47,886 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 2267 DAG size of output: 1522 [2021-05-04 00:16:48,015 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 1526 DAG size of output: 877 [2021-05-04 00:16:48,579 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-04 00:16:48,580 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-04 00:16:48,581 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-05-04 00:16:48,581 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:59, output treesize:3 [2021-05-04 00:16:48,584 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-04 00:16:48,584 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-04 00:16:48,584 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22] total 42 [2021-05-04 00:16:48,585 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76182428] [2021-05-04 00:16:48,585 INFO L460 AbstractCegarLoop]: Interpolant automaton has 43 states [2021-05-04 00:16:48,585 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-04 00:16:48,585 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2021-05-04 00:16:48,585 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=1702, Unknown=0, NotChecked=0, Total=1806 [2021-05-04 00:16:48,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-04 00:16:48,585 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-04 00:16:48,586 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 43 states, 43 states have (on average 1.255813953488372) internal successors, (54), 42 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-04 00:16:48,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-04 00:16:48,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-04 00:16:48,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-04 00:16:48,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-05-04 00:16:48,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-05-04 00:16:48,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-04 00:16:48,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-05-04 00:16:48,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-04 00:16:48,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-05-04 00:16:48,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-05-04 00:16:48,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-05-04 00:16:48,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-05-04 00:16:48,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-05-04 00:16:48,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-05-04 00:16:48,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-05-04 00:16:48,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-05-04 00:16:48,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-05-04 00:16:48,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-05-04 00:16:48,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-05-04 00:16:48,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-04 00:16:49,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-04 00:16:49,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-04 00:16:49,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-04 00:16:49,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-05-04 00:16:49,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-05-04 00:16:49,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-04 00:16:49,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-04 00:16:49,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-04 00:16:49,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-05-04 00:16:49,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-05-04 00:16:49,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-04 00:16:49,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-05-04 00:16:49,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-05-04 00:16:49,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-05-04 00:16:49,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-05-04 00:16:49,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-05-04 00:16:49,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-05-04 00:16:49,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-05-04 00:16:49,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-05-04 00:16:49,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-05-04 00:16:49,364 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable42157 [2021-05-04 00:16:49,364 INFO L428 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-04 00:16:49,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-04 00:16:49,364 INFO L82 PathProgramCache]: Analyzing trace with hash -1783411339, now seen corresponding path program 18 times [2021-05-04 00:16:49,365 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-04 00:16:49,365 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1528231544] [2021-05-04 00:16:49,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-04 00:16:49,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-04 00:16:49,578 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 78 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-04 00:16:49,578 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1528231544] [2021-05-04 00:16:49,579 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [592339127] [2021-05-04 00:16:49,579 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 [2021-05-04 00:16:49,612 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2021-05-04 00:16:49,612 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-04 00:16:49,613 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 22 conjunts are in the unsatisfiable core [2021-05-04 00:16:49,617 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-04 00:16:49,680 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 91 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-04 00:16:49,680 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-04 00:16:49,680 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22] total 23 [2021-05-04 00:16:49,680 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112164060] [2021-05-04 00:16:49,681 INFO L460 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-05-04 00:16:49,681 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-04 00:16:49,681 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-05-04 00:16:49,681 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=158, Invalid=394, Unknown=0, NotChecked=0, Total=552 [2021-05-04 00:16:49,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-04 00:16:49,681 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-05-04 00:16:49,681 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 1.375) internal successors, (33), 23 states have internal predecessors, (33), 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) [2021-05-04 00:16:49,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-04 00:16:49,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-05-04 00:16:49,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-05-04 00:16:49,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-05-04 00:16:49,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-05-04 00:16:49,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-04 00:16:49,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-05-04 00:16:49,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-05-04 00:16:49,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-05-04 00:16:49,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-05-04 00:16:49,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-05-04 00:16:49,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-05-04 00:16:49,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-05-04 00:16:49,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-05-04 00:16:49,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-05-04 00:16:49,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-05-04 00:16:49,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-05-04 00:16:49,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-05-04 00:16:49,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-05-04 00:16:49,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-05-04 00:16:49,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-05-04 00:16:49,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-04 00:16:49,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-04 00:16:49,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-04 00:16:49,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-05-04 00:16:49,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-05-04 00:16:49,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-04 00:16:49,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-04 00:16:49,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-04 00:16:49,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-05-04 00:16:49,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-05-04 00:16:49,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-04 00:16:49,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-05-04 00:16:49,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-05-04 00:16:49,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-05-04 00:16:49,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-05-04 00:16:49,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-05-04 00:16:49,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-05-04 00:16:49,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-05-04 00:16:49,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-05-04 00:16:49,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-05-04 00:16:49,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-05-04 00:16:50,145 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51162,22 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-04 00:16:50,145 INFO L428 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-04 00:16:50,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-04 00:16:50,145 INFO L82 PathProgramCache]: Analyzing trace with hash 575440144, now seen corresponding path program 19 times [2021-05-04 00:16:50,146 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-04 00:16:50,146 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1778142905] [2021-05-04 00:16:50,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-04 00:16:50,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-04 00:16:50,527 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 133 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-04 00:16:50,527 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1778142905] [2021-05-04 00:16:50,527 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1475653408] [2021-05-04 00:16:50,527 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 [2021-05-04 00:16:50,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-04 00:16:50,553 WARN L261 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 74 conjunts are in the unsatisfiable core [2021-05-04 00:16:50,554 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-04 00:16:51,988 WARN L205 SmtUtils]: Spent 576.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2021-05-04 00:16:51,989 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-05-04 00:16:51,989 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 0 disjoint index pairs (out of 91 index pairs), introduced 27 new quantified variables, introduced 91 case distinctions, treesize of input 63 treesize of output 774 [2021-05-04 00:16:55,187 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 1319 DAG size of output: 1082 [2021-05-04 00:16:56,844 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 941 DAG size of output: 841 [2021-05-04 00:16:59,231 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 1718 DAG size of output: 1504 [2021-05-04 00:16:59,533 WARN L205 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 2711 DAG size of output: 2240 [2021-05-04 00:16:59,841 WARN L205 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 2711 DAG size of output: 2240 [2021-05-04 00:17:00,222 WARN L205 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 2734 DAG size of output: 2263 [2021-05-04 00:17:00,880 WARN L205 SmtUtils]: Spent 641.00 ms on a formula simplification. DAG size of input: 2265 DAG size of output: 2760 [2021-05-04 00:17:01,557 WARN L205 SmtUtils]: Spent 654.00 ms on a formula simplification. DAG size of input: 2214 DAG size of output: 2345 [2021-05-04 00:17:01,880 WARN L205 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 2206 DAG size of output: 2185 [2021-05-04 00:17:02,013 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 1060 [2021-05-04 00:17:02,158 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 714 DAG size of output: 839 [2021-05-04 00:17:02,302 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 702 DAG size of output: 922 [2021-05-04 00:17:02,429 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 622 DAG size of output: 873 [2021-05-04 00:17:02,590 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 612 DAG size of output: 765 [2021-05-04 00:17:02,701 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 791 [2021-05-04 00:17:05,559 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 1059 DAG size of output: 974 [2021-05-04 00:17:05,745 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 1251 DAG size of output: 1159 [2021-05-04 00:17:06,930 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 870 DAG size of output: 816 [2021-05-04 00:17:07,236 WARN L205 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 1672 DAG size of output: 1653 [2021-05-04 00:17:10,501 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 1073 DAG size of output: 875 [2021-05-04 00:17:10,708 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 1478 DAG size of output: 1278 [2021-05-04 00:17:11,192 WARN L205 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 2806 DAG size of output: 2648 [2021-05-04 00:17:14,099 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 1268 DAG size of output: 1210 [2021-05-04 00:17:14,309 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 1290 DAG size of output: 1224 [2021-05-04 00:17:16,653 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 1013 DAG size of output: 847 [2021-05-04 00:17:17,023 WARN L205 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 1918 DAG size of output: 1735 [2021-05-04 00:17:17,861 WARN L205 SmtUtils]: Spent 824.00 ms on a formula simplification. DAG size of input: 4108 DAG size of output: 3861 [2021-05-04 00:17:18,165 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 456 DAG size of output: 485 [2021-05-04 00:17:22,652 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 894 DAG size of output: 855 [2021-05-04 00:17:22,896 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 1472 DAG size of output: 1415 [2021-05-04 00:17:23,017 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 419 DAG size of output: 576 [2021-05-04 00:17:25,455 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 1102 DAG size of output: 1097 [2021-05-04 00:17:27,632 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 996 DAG size of output: 930 [2021-05-04 00:17:27,994 WARN L205 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 1885 DAG size of output: 1855 [2021-05-04 00:17:28,500 WARN L205 SmtUtils]: Spent 493.00 ms on a formula simplification. DAG size of input: 2979 DAG size of output: 2592 [2021-05-04 00:17:29,218 WARN L205 SmtUtils]: Spent 595.00 ms on a formula simplification. DAG size of input: 3330 DAG size of output: 2923 [2021-05-04 00:17:31,433 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 1034 DAG size of output: 935 [2021-05-04 00:17:31,920 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 1354 DAG size of output: 1208 [2021-05-04 00:17:34,354 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 1049 DAG size of output: 1054 [2021-05-04 00:17:35,213 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 1683 DAG size of output: 1619 [2021-05-04 00:17:35,647 WARN L205 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 2475 DAG size of output: 2361 [2021-05-04 00:17:37,611 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 895 DAG size of output: 878 [2021-05-04 00:17:39,315 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 1440 DAG size of output: 1361 [2021-05-04 00:17:39,921 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 1717 DAG size of output: 1614 [2021-05-04 00:17:40,625 WARN L205 SmtUtils]: Spent 691.00 ms on a formula simplification. DAG size of input: 3510 DAG size of output: 3419 [2021-05-04 00:17:42,002 WARN L205 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 5856 DAG size of output: 5538 [2021-05-04 00:17:43,468 WARN L205 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 5911 DAG size of output: 5557 [2021-05-04 00:17:45,814 WARN L205 SmtUtils]: Spent 2.31 s on a formula simplification. DAG size of input: 9470 DAG size of output: 8715 [2021-05-04 00:17:48,713 WARN L205 SmtUtils]: Spent 2.45 s on a formula simplification. DAG size of input: 9893 DAG size of output: 8955 [2021-05-04 00:17:51,423 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 1625 DAG size of output: 1180 [2021-05-04 00:17:53,080 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 968 DAG size of output: 790 [2021-05-04 00:17:53,390 WARN L205 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 2310 DAG size of output: 1732 [2021-05-04 00:17:56,288 WARN L205 SmtUtils]: Spent 2.87 s on a formula simplification. DAG size of input: 11843 DAG size of output: 10408 [2021-05-04 00:17:59,351 WARN L205 SmtUtils]: Spent 3.00 s on a formula simplification. DAG size of input: 12069 DAG size of output: 10662 [2021-05-04 00:18:02,657 WARN L205 SmtUtils]: Spent 3.24 s on a formula simplification. DAG size of input: 12304 DAG size of output: 10799 [2021-05-04 00:18:06,196 WARN L205 SmtUtils]: Spent 3.47 s on a formula simplification. DAG size of input: 12623 DAG size of output: 11076 [2021-05-04 00:18:06,457 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 605 DAG size of output: 770 [2021-05-04 00:18:11,940 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 1222 DAG size of output: 1178 [2021-05-04 00:18:12,107 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 1295 DAG size of output: 1237 [2021-05-04 00:18:16,098 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 1517 DAG size of output: 1293 [2021-05-04 00:18:16,400 WARN L205 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 2085 DAG size of output: 1873 [2021-05-04 00:18:16,829 WARN L205 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 3132 DAG size of output: 2873 [2021-05-04 00:18:19,565 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 1199 DAG size of output: 1078 [2021-05-04 00:18:19,740 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 1771 DAG size of output: 1614 [2021-05-04 00:18:22,427 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 1473 DAG size of output: 1347 [2021-05-04 00:18:22,762 WARN L205 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 2646 DAG size of output: 2378 [2021-05-04 00:18:25,230 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 1314 DAG size of output: 1284 [2021-05-04 00:18:27,648 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 1313 DAG size of output: 1108 [2021-05-04 00:18:29,608 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 1157 DAG size of output: 1094 [2021-05-04 00:18:29,755 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 1231 DAG size of output: 1163 [2021-05-04 00:18:30,055 WARN L205 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 2206 DAG size of output: 1970 [2021-05-04 00:18:30,561 WARN L205 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 3256 DAG size of output: 2982 [2021-05-04 00:18:31,391 WARN L205 SmtUtils]: Spent 810.00 ms on a formula simplification. DAG size of input: 4900 DAG size of output: 4652 [2021-05-04 00:18:33,309 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 1221 DAG size of output: 1050 [2021-05-04 00:18:34,582 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 1852 DAG size of output: 1640 [2021-05-04 00:18:35,524 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 710 DAG size of output: 694 [2021-05-04 00:18:37,029 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 1417 DAG size of output: 1310 [2021-05-04 00:18:37,440 WARN L205 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 2751 DAG size of output: 2408 [2021-05-04 00:18:39,150 WARN L205 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 8107 DAG size of output: 7809 [2021-05-04 00:18:42,036 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 1152 DAG size of output: 972 [2021-05-04 00:18:42,936 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 1169 DAG size of output: 1060 [2021-05-04 00:18:44,743 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 1267 DAG size of output: 1175 [2021-05-04 00:18:46,744 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 1141 DAG size of output: 965 [2021-05-04 00:18:47,614 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 1158 DAG size of output: 1056 [2021-05-04 00:18:49,256 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 1256 DAG size of output: 1171 [2021-05-04 00:18:49,762 WARN L205 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 2376 DAG size of output: 2190 [2021-05-04 00:18:52,040 WARN L205 SmtUtils]: Spent 2.25 s on a formula simplification. DAG size of input: 10534 DAG size of output: 10078 [2021-05-04 00:18:55,151 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 1090 DAG size of output: 1011 [2021-05-04 00:18:55,428 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 1496 DAG size of output: 1466 [2021-05-04 00:18:56,232 WARN L205 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 2068 DAG size of output: 1823 [2021-05-04 00:18:58,914 WARN L205 SmtUtils]: Spent 2.65 s on a formula simplification. DAG size of input: 12450 DAG size of output: 11688 [2021-05-04 00:19:01,868 WARN L205 SmtUtils]: Spent 2.88 s on a formula simplification. DAG size of input: 13101 DAG size of output: 12266 [2021-05-04 00:19:04,956 WARN L205 SmtUtils]: Spent 3.01 s on a formula simplification. DAG size of input: 13395 DAG size of output: 12440 [2021-05-04 00:19:08,219 WARN L205 SmtUtils]: Spent 3.18 s on a formula simplification. DAG size of input: 14397 DAG size of output: 13079 [2021-05-04 00:19:11,645 WARN L205 SmtUtils]: Spent 3.34 s on a formula simplification. DAG size of input: 14649 DAG size of output: 13223 [2021-05-04 00:19:15,279 WARN L205 SmtUtils]: Spent 3.55 s on a formula simplification. DAG size of input: 14977 DAG size of output: 13506 [2021-05-04 00:19:20,056 WARN L205 SmtUtils]: Spent 3.80 s on a formula simplification. DAG size of input: 15194 DAG size of output: 13738 [2021-05-04 00:19:27,528 WARN L205 SmtUtils]: Spent 7.37 s on a formula simplification. DAG size of input: 26745 DAG size of output: 23370 [2021-05-04 00:19:27,769 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 700 DAG size of output: 851 [2021-05-04 00:19:27,901 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 669 DAG size of output: 954 [2021-05-04 00:19:28,023 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 655 DAG size of output: 927 [2021-05-04 00:19:28,140 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 650 DAG size of output: 911 [2021-05-04 00:19:29,386 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 631 DAG size of output: 631 [2021-05-04 00:19:32,222 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 997 DAG size of output: 862 [2021-05-04 00:19:33,333 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 1732 DAG size of output: 1508 [2021-05-04 00:19:33,595 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 1999 DAG size of output: 1657 [2021-05-04 00:19:37,806 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 1261 DAG size of output: 1207 [2021-05-04 00:19:37,961 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 1380 DAG size of output: 1286 [2021-05-04 00:19:38,293 WARN L205 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 2319 DAG size of output: 2179 [2021-05-04 00:19:38,824 WARN L205 SmtUtils]: Spent 516.00 ms on a formula simplification. DAG size of input: 3783 DAG size of output: 3037 [2021-05-04 00:19:40,395 WARN L205 SmtUtils]: Spent 591.00 ms on a formula simplification. DAG size of input: 4152 DAG size of output: 3383 [2021-05-04 00:19:42,216 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 1017 DAG size of output: 785 [2021-05-04 00:19:43,722 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 1000 DAG size of output: 921 [2021-05-04 00:19:44,088 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 1271 DAG size of output: 1151 [2021-05-04 00:19:44,341 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 1888 DAG size of output: 1608 [2021-05-04 00:19:45,951 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 1244 DAG size of output: 1149 [2021-05-04 00:19:46,765 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 682 DAG size of output: 641 [2021-05-04 00:19:47,230 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 1820 DAG size of output: 1729 [2021-05-04 00:19:49,567 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 1404 DAG size of output: 1234 [2021-05-04 00:19:49,924 WARN L205 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 2664 DAG size of output: 2563 [2021-05-04 00:19:50,614 WARN L205 SmtUtils]: Spent 674.00 ms on a formula simplification. DAG size of input: 3829 DAG size of output: 3556 [2021-05-04 00:19:51,313 WARN L205 SmtUtils]: Spent 677.00 ms on a formula simplification. DAG size of input: 4064 DAG size of output: 3714 [2021-05-04 00:19:52,720 WARN L205 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 7138 DAG size of output: 6235 [2021-05-04 00:19:56,478 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 924 DAG size of output: 881 [2021-05-04 00:19:56,694 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 1542 DAG size of output: 1430 [2021-05-04 00:19:56,952 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 1772 DAG size of output: 1590 [2021-05-04 00:19:57,299 WARN L205 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 2049 DAG size of output: 1818 [2021-05-04 00:19:57,564 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 463 DAG size of output: 559 [2021-05-04 00:20:00,053 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 1221 DAG size of output: 1101 [2021-05-04 00:20:00,258 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 1713 DAG size of output: 1582 [2021-05-04 00:20:01,689 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 906 DAG size of output: 797 [2021-05-04 00:20:02,719 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 1317 DAG size of output: 1181 [2021-05-04 00:20:03,084 WARN L205 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 2506 DAG size of output: 2399 [2021-05-04 00:20:03,545 WARN L205 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 2728 DAG size of output: 2579 [2021-05-04 00:20:04,281 WARN L205 SmtUtils]: Spent 719.00 ms on a formula simplification. DAG size of input: 4060 DAG size of output: 3794 [2021-05-04 00:20:07,205 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 1055 DAG size of output: 961 [2021-05-04 00:20:09,136 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 1745 DAG size of output: 1637 [2021-05-04 00:20:09,414 WARN L205 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 2011 DAG size of output: 1797 [2021-05-04 00:20:14,107 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 653 DAG size of output: 640 [2021-05-04 00:20:14,248 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 1244 DAG size of output: 1209 [2021-05-04 00:20:14,415 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 1371 DAG size of output: 1304 [2021-05-04 00:20:14,741 WARN L205 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 2160 DAG size of output: 2102 [2021-05-04 00:20:15,315 WARN L205 SmtUtils]: Spent 559.00 ms on a formula simplification. DAG size of input: 3647 DAG size of output: 3063 [2021-05-04 00:20:16,112 WARN L205 SmtUtils]: Spent 656.00 ms on a formula simplification. DAG size of input: 3970 DAG size of output: 3377 [2021-05-04 00:20:17,556 WARN L205 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 7065 DAG size of output: 6258 [2021-05-04 00:20:20,437 WARN L205 SmtUtils]: Spent 2.83 s on a formula simplification. DAG size of input: 13484 DAG size of output: 11267 [2021-05-04 00:20:21,916 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 815 DAG size of output: 673 [2021-05-04 00:20:23,674 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 1432 DAG size of output: 1098 [2021-05-04 00:20:26,346 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 1206 DAG size of output: 964 [2021-05-04 00:20:26,780 WARN L205 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 2424 DAG size of output: 1788 [2021-05-04 00:20:30,211 WARN L205 SmtUtils]: Spent 3.40 s on a formula simplification. DAG size of input: 15746 DAG size of output: 12900 [2021-05-04 00:20:35,317 WARN L205 SmtUtils]: Spent 3.71 s on a formula simplification. DAG size of input: 16353 DAG size of output: 13473 [2021-05-04 00:20:40,830 WARN L205 SmtUtils]: Spent 3.97 s on a formula simplification. DAG size of input: 17666 DAG size of output: 14071 [2021-05-04 00:20:45,053 WARN L205 SmtUtils]: Spent 4.12 s on a formula simplification. DAG size of input: 17919 DAG size of output: 14391 [2021-05-04 00:20:49,500 WARN L205 SmtUtils]: Spent 4.35 s on a formula simplification. DAG size of input: 18270 DAG size of output: 14573 [2021-05-04 00:20:54,186 WARN L205 SmtUtils]: Spent 4.58 s on a formula simplification. DAG size of input: 18574 DAG size of output: 14802 [2021-05-04 00:20:54,390 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 651 DAG size of output: 927 [2021-05-04 00:20:55,888 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 575 DAG size of output: 841 [2021-05-04 00:20:59,952 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 1398 DAG size of output: 1253 [2021-05-04 00:21:02,750 WARN L205 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 2259 DAG size of output: 1943 [2021-05-04 00:21:04,679 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 946 DAG size of output: 977 [2021-05-04 00:21:06,837 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 1584 DAG size of output: 1581 [2021-05-04 00:21:07,387 WARN L205 SmtUtils]: Spent 539.00 ms on a formula simplification. DAG size of input: 3125 DAG size of output: 2976 [2021-05-04 00:21:09,330 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 1121 DAG size of output: 1051 [2021-05-04 00:21:11,441 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 1087 DAG size of output: 1007 [2021-05-04 00:21:11,734 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 1739 DAG size of output: 1689 [2021-05-04 00:21:14,274 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 1107 DAG size of output: 963 [2021-05-04 00:21:16,540 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 1225 DAG size of output: 1105 [2021-05-04 00:21:16,822 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 2086 DAG size of output: 1855 [2021-05-04 00:21:17,982 WARN L205 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 5189 DAG size of output: 5120 [2021-05-04 00:21:19,525 WARN L205 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 5464 DAG size of output: 5420 [2021-05-04 00:21:21,032 WARN L205 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 5505 DAG size of output: 5370 [2021-05-04 00:21:24,488 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 1254 DAG size of output: 1164 [2021-05-04 00:21:26,641 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 1100 DAG size of output: 895 [2021-05-04 00:21:26,948 WARN L205 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 1982 DAG size of output: 1548 [2021-05-04 00:21:28,944 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 1134 DAG size of output: 904 [2021-05-04 00:21:31,438 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 1367 DAG size of output: 1031 [2021-05-04 00:21:31,972 WARN L205 SmtUtils]: Spent 523.00 ms on a formula simplification. DAG size of input: 3540 DAG size of output: 2743 [2021-05-04 00:21:32,628 WARN L205 SmtUtils]: Spent 633.00 ms on a formula simplification. DAG size of input: 3752 DAG size of output: 2945 [2021-05-04 00:21:33,313 WARN L205 SmtUtils]: Spent 608.00 ms on a formula simplification. DAG size of input: 3782 DAG size of output: 2948 [2021-05-04 00:21:35,264 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 1201 DAG size of output: 1061 [2021-05-04 00:21:36,838 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 1737 DAG size of output: 1574 [2021-05-04 00:21:37,089 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 1758 DAG size of output: 1591 [2021-05-04 00:21:39,468 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 1304 DAG size of output: 1135 [2021-05-04 00:21:39,643 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 1332 DAG size of output: 1158 [2021-05-04 00:21:40,118 WARN L205 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 2755 DAG size of output: 2423 [2021-05-04 00:21:41,620 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 924 DAG size of output: 775 [2021-05-04 00:21:41,767 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 475 DAG size of output: 611 [2021-05-04 00:21:42,791 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 1211 DAG size of output: 1039 [2021-05-04 00:21:44,321 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 832 DAG size of output: 658 [2021-05-04 00:21:44,453 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 934 DAG size of output: 751 [2021-05-04 00:21:44,578 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 958 DAG size of output: 763 [2021-05-04 00:21:44,897 WARN L205 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 1912 DAG size of output: 1493 [2021-05-04 00:21:45,707 WARN L205 SmtUtils]: Spent 797.00 ms on a formula simplification. DAG size of input: 3858 DAG size of output: 3339 [2021-05-04 00:21:47,184 WARN L205 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 6616 DAG size of output: 5590 [2021-05-04 00:21:50,123 WARN L205 SmtUtils]: Spent 2.90 s on a formula simplification. DAG size of input: 11460 DAG size of output: 9966 [2021-05-04 00:21:52,123 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 724 DAG size of output: 530 [2021-05-04 00:21:52,269 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 1214 DAG size of output: 908 [2021-05-04 00:21:54,044 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 696 DAG size of output: 508 [2021-05-04 00:21:54,185 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 1182 DAG size of output: 876 [2021-05-04 00:21:54,491 WARN L205 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 2166 DAG size of output: 1467 [2021-05-04 00:21:57,767 WARN L205 SmtUtils]: Spent 3.24 s on a formula simplification. DAG size of input: 13202 DAG size of output: 11038 [2021-05-04 00:22:01,269 WARN L205 SmtUtils]: Spent 3.42 s on a formula simplification. DAG size of input: 14429 DAG size of output: 11480 [2021-05-04 00:22:02,341 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 915 DAG size of output: 795 [2021-05-04 00:22:06,041 WARN L205 SmtUtils]: Spent 3.62 s on a formula simplification. DAG size of input: 14709 DAG size of output: 11827 [2021-05-04 00:22:10,059 WARN L205 SmtUtils]: Spent 3.93 s on a formula simplification. DAG size of input: 15008 DAG size of output: 12048 [2021-05-04 00:22:18,892 WARN L205 SmtUtils]: Spent 8.71 s on a formula simplification. DAG size of input: 32411 DAG size of output: 25107 [2021-05-04 00:22:28,221 WARN L205 SmtUtils]: Spent 9.13 s on a formula simplification. DAG size of input: 32818 DAG size of output: 25389 [2021-05-04 00:22:45,122 WARN L205 SmtUtils]: Spent 16.67 s on a formula simplification. DAG size of input: 57077 DAG size of output: 45107 [2021-05-04 00:23:02,570 WARN L205 SmtUtils]: Spent 17.16 s on a formula simplification. DAG size of input: 57471 DAG size of output: 45432 [2021-05-04 00:23:03,095 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 582 DAG size of output: 833 [2021-05-04 00:23:06,110 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 1504 DAG size of output: 1076 [2021-05-04 00:23:09,624 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 957 DAG size of output: 970 [2021-05-04 00:23:12,698 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 817 DAG size of output: 925 [2021-05-04 00:23:12,912 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 1283 DAG size of output: 1415 [2021-05-04 00:23:13,308 WARN L205 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 2055 DAG size of output: 2188 [2021-05-04 00:23:15,404 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 998 DAG size of output: 964 [2021-05-04 00:23:17,154 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 1112 DAG size of output: 1001 [2021-05-04 00:23:19,192 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 1055 DAG size of output: 889 [2021-05-04 00:23:21,141 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 1018 DAG size of output: 971 [2021-05-04 00:23:21,387 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 1770 DAG size of output: 1581 [2021-05-04 00:23:21,921 WARN L205 SmtUtils]: Spent 523.00 ms on a formula simplification. DAG size of input: 2742 DAG size of output: 2659 [2021-05-04 00:23:22,857 WARN L205 SmtUtils]: Spent 919.00 ms on a formula simplification. DAG size of input: 4053 DAG size of output: 4092 [2021-05-04 00:23:24,897 WARN L205 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 4261 DAG size of output: 4309 [2021-05-04 00:23:26,263 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 4554 DAG size of output: 4422 [2021-05-04 00:23:32,141 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 1428 DAG size of output: 1345 [2021-05-04 00:23:32,479 WARN L205 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 2147 DAG size of output: 2088 [2021-05-04 00:23:36,235 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 1081 DAG size of output: 852 [2021-05-04 00:23:36,447 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 1694 DAG size of output: 1421 [2021-05-04 00:23:38,454 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 1120 DAG size of output: 1010 [2021-05-04 00:23:40,182 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 1662 DAG size of output: 1507 [2021-05-04 00:23:40,721 WARN L205 SmtUtils]: Spent 529.00 ms on a formula simplification. DAG size of input: 2968 DAG size of output: 2614 [2021-05-04 00:23:41,574 WARN L205 SmtUtils]: Spent 835.00 ms on a formula simplification. DAG size of input: 4476 DAG size of output: 4129 [2021-05-04 00:23:43,566 WARN L205 SmtUtils]: Spent 920.00 ms on a formula simplification. DAG size of input: 4811 DAG size of output: 4441 [2021-05-04 00:23:44,599 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 5104 DAG size of output: 4605 [2021-05-04 00:23:46,743 WARN L205 SmtUtils]: Spent 2.11 s on a formula simplification. DAG size of input: 8904 DAG size of output: 7925 [2021-05-04 00:23:49,245 WARN L205 SmtUtils]: Spent 2.45 s on a formula simplification. DAG size of input: 10245 DAG size of output: 8713 [2021-05-04 00:23:51,907 WARN L205 SmtUtils]: Spent 2.60 s on a formula simplification. DAG size of input: 10495 DAG size of output: 8927 [2021-05-04 00:23:53,962 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 610 DAG size of output: 605 [2021-05-04 00:23:55,214 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 1060 DAG size of output: 892 [2021-05-04 00:23:56,953 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 767 DAG size of output: 697 [2021-05-04 00:23:57,082 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 775 DAG size of output: 706 [2021-05-04 00:23:57,380 WARN L205 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 1683 DAG size of output: 1388 [2021-05-04 00:23:57,788 WARN L205 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 2494 DAG size of output: 1902 [2021-05-04 00:24:00,130 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 872 DAG size of output: 788 [2021-05-04 00:24:01,636 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 884 DAG size of output: 772 [2021-05-04 00:24:01,852 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 1559 DAG size of output: 1303 [2021-05-04 00:24:02,113 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 1813 DAG size of output: 1472 [2021-05-04 00:24:04,562 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 996 DAG size of output: 953 [2021-05-04 00:24:06,259 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 880 DAG size of output: 845 [2021-05-04 00:24:06,521 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 1732 DAG size of output: 1641 [2021-05-04 00:24:06,835 WARN L205 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 1950 DAG size of output: 1804 [2021-05-04 00:24:07,248 WARN L205 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 2215 DAG size of output: 2036 [2021-05-04 00:24:07,789 WARN L205 SmtUtils]: Spent 527.00 ms on a formula simplification. DAG size of input: 3370 DAG size of output: 2783 [2021-05-04 00:24:09,835 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 1148 DAG size of output: 1057 [2021-05-04 00:24:11,782 WARN L205 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 1940 DAG size of output: 1823 [2021-05-04 00:24:13,194 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 866 DAG size of output: 836 [2021-05-04 00:24:14,518 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 1382 DAG size of output: 1352 [2021-05-04 00:24:15,036 WARN L205 SmtUtils]: Spent 509.00 ms on a formula simplification. DAG size of input: 2892 DAG size of output: 2753 [2021-05-04 00:24:17,086 WARN L205 SmtUtils]: Spent 609.00 ms on a formula simplification. DAG size of input: 3427 DAG size of output: 3211 [2021-05-04 00:24:18,223 WARN L205 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 5823 DAG size of output: 5114 [2021-05-04 00:24:19,484 WARN L205 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 6142 DAG size of output: 5314 Received shutdown request... [2021-05-04 00:24:21,005 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51163,23 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-04 00:24:21,006 WARN L545 AbstractCegarLoop]: Verification canceled [2021-05-04 00:24:21,014 WARN L224 ceAbstractionStarter]: Timeout [2021-05-04 00:24:21,015 INFO L202 PluginConnector]: Adding new model unroll-cond-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.05 12:24:21 BasicIcfg [2021-05-04 00:24:21,015 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-05-04 00:24:21,015 INFO L168 Benchmark]: Toolchain (without parser) took 872888.82 ms. Allocated memory was 354.4 MB in the beginning and 4.3 GB in the end (delta: 3.9 GB). Free memory was 334.6 MB in the beginning and 3.5 GB in the end (delta: -3.2 GB). Peak memory consumption was 2.7 GB. Max. memory is 16.0 GB. [2021-05-04 00:24:21,015 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.11 ms. Allocated memory is still 354.4 MB. Free memory was 335.7 MB in the beginning and 335.7 MB in the end (delta: 76.2 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-05-04 00:24:21,015 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.01 ms. Allocated memory is still 354.4 MB. Free memory was 334.5 MB in the beginning and 333.1 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-05-04 00:24:21,015 INFO L168 Benchmark]: Boogie Preprocessor took 12.48 ms. Allocated memory is still 354.4 MB. Free memory was 333.1 MB in the beginning and 332.2 MB in the end (delta: 928.3 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-05-04 00:24:21,015 INFO L168 Benchmark]: RCFGBuilder took 276.41 ms. Allocated memory is still 354.4 MB. Free memory was 332.1 MB in the beginning and 317.4 MB in the end (delta: 14.6 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.0 GB. [2021-05-04 00:24:21,015 INFO L168 Benchmark]: TraceAbstraction took 872575.64 ms. Allocated memory was 354.4 MB in the beginning and 4.3 GB in the end (delta: 3.9 GB). Free memory was 317.0 MB in the beginning and 3.5 GB in the end (delta: -3.2 GB). Peak memory consumption was 2.7 GB. Max. memory is 16.0 GB. [2021-05-04 00:24:21,016 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 0.11 ms. Allocated memory is still 354.4 MB. Free memory was 335.7 MB in the beginning and 335.7 MB in the end (delta: 76.2 kB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 20.01 ms. Allocated memory is still 354.4 MB. Free memory was 334.5 MB in the beginning and 333.1 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 12.48 ms. Allocated memory is still 354.4 MB. Free memory was 333.1 MB in the beginning and 332.2 MB in the end (delta: 928.3 kB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 276.41 ms. Allocated memory is still 354.4 MB. Free memory was 332.1 MB in the beginning and 317.4 MB in the end (delta: 14.6 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.0 GB. * TraceAbstraction took 872575.64 ms. Allocated memory was 354.4 MB in the beginning and 4.3 GB in the end (delta: 3.9 GB). Free memory was 317.0 MB in the beginning and 3.5 GB in the end (delta: -3.2 GB). Peak memory consumption was 2.7 GB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.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] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 59, positive: 56, positive conditional: 0, positive unconditional: 56, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 59, positive: 56, positive conditional: 0, positive unconditional: 56, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 59, positive: 52, positive conditional: 0, positive unconditional: 52, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 7, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 77, positive: 58, positive conditional: 0, positive unconditional: 58, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 59, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 59, unknown conditional: 0, unknown unconditional: 59] , Statistics on independence cache: Total cache size (in pairs): 59, Positive cache size: 56, Positive conditional cache size: 0, Positive unconditional cache size: 56, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3, 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: 7, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 77, positive: 58, positive conditional: 0, positive unconditional: 58, negative: 19, negative conditional: 0, negative unconditional: 19, 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): 59, Positive cache size: 56, Positive conditional cache size: 0, Positive unconditional cache size: 56, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3, 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: 7, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 77, positive: 58, positive conditional: 0, positive unconditional: 58, negative: 19, negative conditional: 0, negative unconditional: 19, 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): 59, Positive cache size: 56, Positive conditional cache size: 0, Positive unconditional cache size: 56, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3, 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: 7, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 77, positive: 58, positive conditional: 0, positive unconditional: 58, negative: 19, negative conditional: 0, negative unconditional: 19, 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): 59, Positive cache size: 56, Positive conditional cache size: 0, Positive unconditional cache size: 56, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3, 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: 7, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 77, positive: 58, positive conditional: 0, positive unconditional: 58, negative: 19, negative conditional: 0, negative unconditional: 19, 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): 59, Positive cache size: 56, Positive conditional cache size: 0, Positive unconditional cache size: 56, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3, 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: 7, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 77, positive: 58, positive conditional: 0, positive unconditional: 58, negative: 19, negative conditional: 0, negative unconditional: 19, 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): 59, Positive cache size: 56, Positive conditional cache size: 0, Positive unconditional cache size: 56, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3, 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: 7, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 77, positive: 58, positive conditional: 0, positive unconditional: 58, negative: 19, negative conditional: 0, negative unconditional: 19, 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): 59, Positive cache size: 56, Positive conditional cache size: 0, Positive unconditional cache size: 56, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3, 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: 7, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 77, positive: 58, positive conditional: 0, positive unconditional: 58, negative: 19, negative conditional: 0, negative unconditional: 19, 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): 59, Positive cache size: 56, Positive conditional cache size: 0, Positive unconditional cache size: 56, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3, 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: 7, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 77, positive: 58, positive conditional: 0, positive unconditional: 58, negative: 19, negative conditional: 0, negative unconditional: 19, 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): 59, Positive cache size: 56, Positive conditional cache size: 0, Positive unconditional cache size: 56, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3, 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: 7, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 77, positive: 58, positive conditional: 0, positive unconditional: 58, negative: 19, negative conditional: 0, negative unconditional: 19, 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): 59, Positive cache size: 56, Positive conditional cache size: 0, Positive unconditional cache size: 56, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3, 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: 7, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 77, positive: 58, positive conditional: 0, positive unconditional: 58, negative: 19, negative conditional: 0, negative unconditional: 19, 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): 59, Positive cache size: 56, Positive conditional cache size: 0, Positive unconditional cache size: 56, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3, 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: 7, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 77, positive: 58, positive conditional: 0, positive unconditional: 58, negative: 19, negative conditional: 0, negative unconditional: 19, 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): 59, Positive cache size: 56, Positive conditional cache size: 0, Positive unconditional cache size: 56, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3, 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: 7, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 77, positive: 58, positive conditional: 0, positive unconditional: 58, negative: 19, negative conditional: 0, negative unconditional: 19, 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): 59, Positive cache size: 56, Positive conditional cache size: 0, Positive unconditional cache size: 56, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3, 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: 7, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 77, positive: 58, positive conditional: 0, positive unconditional: 58, negative: 19, negative conditional: 0, negative unconditional: 19, 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): 59, Positive cache size: 56, Positive conditional cache size: 0, Positive unconditional cache size: 56, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3, 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: 7, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 77, positive: 58, positive conditional: 0, positive unconditional: 58, negative: 19, negative conditional: 0, negative unconditional: 19, 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): 59, Positive cache size: 56, Positive conditional cache size: 0, Positive unconditional cache size: 56, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3, 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: 7, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 77, positive: 58, positive conditional: 0, positive unconditional: 58, negative: 19, negative conditional: 0, negative unconditional: 19, 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): 59, Positive cache size: 56, Positive conditional cache size: 0, Positive unconditional cache size: 56, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3, 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: 7, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 77, positive: 58, positive conditional: 0, positive unconditional: 58, negative: 19, negative conditional: 0, negative unconditional: 19, 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): 59, Positive cache size: 56, Positive conditional cache size: 0, Positive unconditional cache size: 56, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3, 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: 7, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 77, positive: 58, positive conditional: 0, positive unconditional: 58, negative: 19, negative conditional: 0, negative unconditional: 19, 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): 59, Positive cache size: 56, Positive conditional cache size: 0, Positive unconditional cache size: 56, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3, 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: 7, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 77, positive: 58, positive conditional: 0, positive unconditional: 58, negative: 19, negative conditional: 0, negative unconditional: 19, 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): 59, Positive cache size: 56, Positive conditional cache size: 0, Positive unconditional cache size: 56, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3, 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: 7, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 77, positive: 58, positive conditional: 0, positive unconditional: 58, negative: 19, negative conditional: 0, negative unconditional: 19, 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): 59, Positive cache size: 56, Positive conditional cache size: 0, Positive unconditional cache size: 56, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3, 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: 7, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 77, positive: 58, positive conditional: 0, positive unconditional: 58, negative: 19, negative conditional: 0, negative unconditional: 19, 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): 59, Positive cache size: 56, Positive conditional cache size: 0, Positive unconditional cache size: 56, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3, 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: 7, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 77, positive: 58, positive conditional: 0, positive unconditional: 58, negative: 19, negative conditional: 0, negative unconditional: 19, 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): 59, Positive cache size: 56, Positive conditional cache size: 0, Positive unconditional cache size: 56, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3, Eliminated conditions: 0 ], Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 98, Number of persistent set computation: 564, Number of trivial persistent sets: 562, Underlying independence relation: CachedIndependenceRelation.Independence Queries: [ total: 59, positive: 56, positive conditional: 0, positive unconditional: 56, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 59, positive: 56, positive conditional: 0, positive unconditional: 56, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 59, positive: 52, positive conditional: 0, positive unconditional: 52, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 7, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 77, positive: 58, positive conditional: 0, positive unconditional: 58, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 59, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 59, unknown conditional: 0, unknown unconditional: 59] , Statistics on independence cache: Total cache size (in pairs): 59, Positive cache size: 56, Positive conditional cache size: 0, Positive unconditional cache size: 56, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3 - TimeoutResultAtElement [Line: 57]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 57). Cancelled while PartialOrderCegarLoop was analyzing trace of length 32 with TraceHistMax 14,while TraceCheckSpWp was constructing forward predicates,while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations,while QuantifierPusher was running 1 iterations of DualJunctionQuantifierElimination. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 15 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 872483.8ms, OverallIterations: 22, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 9.0ms, PartialOrderReductionTime: 4965.3ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 259, 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: 94.4ms SsaConstructionTime, 398.2ms SatisfiabilityAnalysisTime, 411435.2ms InterpolantComputationTime, 830 NumberOfCodeBlocks, 830 NumberOfCodeBlocksAsserted, 87 NumberOfCheckSat, 789 ConstructedInterpolants, 0 QuantifiedInterpolants, 10265 SizeOfPredicates, 32 NumberOfNonLiveVariables, 1670 ConjunctsInSsa, 626 ConjunctsInUnsatCore, 41 InterpolantComputations, 1 PerfectInterpolantSequences, 455/1862 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