/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-Delay.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/test/easy1.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-98196c323137eee61a7c1131837b356358d783d4-98196c3 [2021-06-16 18:18:44,964 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-16 18:18:44,966 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-16 18:18:44,997 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-16 18:18:44,997 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-16 18:18:44,998 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-16 18:18:45,000 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-16 18:18:45,002 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-16 18:18:45,003 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-16 18:18:45,004 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-16 18:18:45,005 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-16 18:18:45,006 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-16 18:18:45,006 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-16 18:18:45,007 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-16 18:18:45,008 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-16 18:18:45,009 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-16 18:18:45,010 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-16 18:18:45,013 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-16 18:18:45,020 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-16 18:18:45,021 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-16 18:18:45,023 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-16 18:18:45,024 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-16 18:18:45,025 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-16 18:18:45,025 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-16 18:18:45,028 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-06-16 18:18:45,054 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-FA-NoLbe-Delay.epf [2021-06-16 18:18:45,086 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-16 18:18:45,087 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-16 18:18:45,089 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-16 18:18:45,090 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-16 18:18:45,090 INFO L138 SettingsManager]: * Use SBE=true [2021-06-16 18:18:45,090 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-16 18:18:45,090 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-16 18:18:45,090 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-16 18:18:45,090 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-16 18:18:45,090 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-16 18:18:45,091 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-16 18:18:45,091 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-16 18:18:45,091 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-16 18:18:45,092 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-16 18:18:45,092 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-16 18:18:45,092 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-16 18:18:45,092 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-16 18:18:45,092 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-16 18:18:45,092 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-16 18:18:45,092 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-16 18:18:45,093 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-16 18:18:45,093 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-16 18:18:45,093 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-16 18:18:45,093 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-16 18:18:45,093 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-16 18:18:45,093 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-16 18:18:45,093 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-16 18:18:45,094 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-16 18:18:45,094 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-16 18:18:45,094 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-16 18:18:45,094 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-16 18:18:45,365 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-16 18:18:45,382 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-16 18:18:45,384 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-16 18:18:45,385 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-16 18:18:45,386 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-16 18:18:45,387 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/test/easy1.wvr.bpl [2021-06-16 18:18:45,387 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/test/easy1.wvr.bpl' [2021-06-16 18:18:45,427 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-16 18:18:45,428 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-16 18:18:45,429 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-16 18:18:45,429 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-16 18:18:45,429 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-16 18:18:45,440 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "easy1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 06:18:45" (1/1) ... [2021-06-16 18:18:45,446 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "easy1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 06:18:45" (1/1) ... [2021-06-16 18:18:45,452 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-16 18:18:45,453 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-16 18:18:45,453 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-16 18:18:45,454 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-16 18:18:45,460 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "easy1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 06:18:45" (1/1) ... [2021-06-16 18:18:45,461 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "easy1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 06:18:45" (1/1) ... [2021-06-16 18:18:45,461 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "easy1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 06:18:45" (1/1) ... [2021-06-16 18:18:45,462 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "easy1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 06:18:45" (1/1) ... [2021-06-16 18:18:45,464 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "easy1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 06:18:45" (1/1) ... [2021-06-16 18:18:45,467 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "easy1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 06:18:45" (1/1) ... [2021-06-16 18:18:45,467 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "easy1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 06:18:45" (1/1) ... [2021-06-16 18:18:45,468 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-16 18:18:45,469 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-16 18:18:45,469 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-16 18:18:45,469 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-16 18:18:45,470 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "easy1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 06:18:45" (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 [2021-06-16 18:18:45,541 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-16 18:18:45,543 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-16 18:18:45,544 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-16 18:18:45,544 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-16 18:18:45,544 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-16 18:18:45,544 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-16 18:18:45,544 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-16 18:18:45,544 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-16 18:18:45,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-16 18:18:45,546 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-16 18:18:45,695 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-16 18:18:45,695 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-16 18:18:45,697 INFO L202 PluginConnector]: Adding new model easy1.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.06 06:18:45 BoogieIcfgContainer [2021-06-16 18:18:45,697 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-16 18:18:45,699 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-16 18:18:45,699 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-16 18:18:45,703 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-16 18:18:45,704 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "easy1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 06:18:45" (1/2) ... [2021-06-16 18:18:45,705 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a7604c3 and model type easy1.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.06 06:18:45, skipping insertion in model container [2021-06-16 18:18:45,707 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "easy1.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.06 06:18:45" (2/2) ... [2021-06-16 18:18:45,708 INFO L111 eAbstractionObserver]: Analyzing ICFG easy1.wvr.bpl [2021-06-16 18:18:45,718 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-16 18:18:45,718 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-16 18:18:45,718 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-16 18:18:45,720 INFO L470 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-16 18:18:45,786 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-06-16 18:18:45,805 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-06-16 18:18:45,830 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-16 18:18:45,831 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-16 18:18:45,831 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-16 18:18:45,831 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-16 18:18:45,831 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-16 18:18:45,831 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-16 18:18:45,831 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-16 18:18:45,831 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-16 18:18:45,900 INFO L276 IsEmpty]: Start isEmpty. Operand has 31 states, 23 states have (on average 1.5217391304347827) internal successors, (35), 30 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 18:18:45,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-06-16 18:18:45,905 INFO L464 BasicCegarLoop]: Found error trace [2021-06-16 18:18:45,906 INFO L472 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-16 18:18:45,906 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 18:18:45,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 18:18:45,912 INFO L82 PathProgramCache]: Analyzing trace with hash 1532448655, now seen corresponding path program 1 times [2021-06-16 18:18:45,925 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 18:18:45,926 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1911592192] [2021-06-16 18:18:45,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 18:18:46,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 18:18:46,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:46,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-16 18:18:46,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:46,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:46,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 18:18:46,072 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 18:18:46,072 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1911592192] [2021-06-16 18:18:46,073 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1911592192] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 18:18:46,074 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 18:18:46,074 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-16 18:18:46,075 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206972076] [2021-06-16 18:18:46,077 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-16 18:18:46,077 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 18:18:46,090 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-16 18:18:46,091 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-16 18:18:46,093 INFO L87 Difference]: Start difference. First operand has 31 states, 23 states have (on average 1.5217391304347827) internal successors, (35), 30 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 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) [2021-06-16 18:18:46,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-16 18:18:46,174 INFO L93 Difference]: Finished difference Result 54 states and 62 transitions. [2021-06-16 18:18:46,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 18:18:46,176 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 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) Word has length 11 [2021-06-16 18:18:46,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-16 18:18:46,182 INFO L225 Difference]: With dead ends: 54 [2021-06-16 18:18:46,182 INFO L226 Difference]: Without dead ends: 20 [2021-06-16 18:18:46,183 INFO L728 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 15.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-16 18:18:46,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2021-06-16 18:18:46,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 18. [2021-06-16 18:18:46,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 17 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 18:18:46,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 20 transitions. [2021-06-16 18:18:46,207 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 20 transitions. Word has length 11 [2021-06-16 18:18:46,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-16 18:18:46,207 INFO L482 AbstractCegarLoop]: Abstraction has 18 states and 20 transitions. [2021-06-16 18:18:46,207 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 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) [2021-06-16 18:18:46,208 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2021-06-16 18:18:46,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-06-16 18:18:46,208 INFO L464 BasicCegarLoop]: Found error trace [2021-06-16 18:18:46,208 INFO L472 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-16 18:18:46,208 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-16 18:18:46,209 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 18:18:46,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 18:18:46,209 INFO L82 PathProgramCache]: Analyzing trace with hash 1161461261, now seen corresponding path program 1 times [2021-06-16 18:18:46,209 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 18:18:46,210 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1791331094] [2021-06-16 18:18:46,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 18:18:46,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 18:18:46,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:46,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:46,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:46,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:46,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:46,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:46,267 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 18:18:46,267 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 18:18:46,268 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1791331094] [2021-06-16 18:18:46,268 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1791331094] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 18:18:46,268 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [48691486] [2021-06-16 18:18:46,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 18:18:46,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 18:18:46,302 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 3 conjunts are in the unsatisfiable core [2021-06-16 18:18:46,305 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 18:18:46,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:46,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:46,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:46,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:46,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:46,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:46,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:46,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:46,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:46,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:46,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:46,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:46,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:46,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:46,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:46,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:46,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:46,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-16 18:18:46,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:46,340 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-16 18:18:46,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:46,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-16 18:18:46,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-16 18:18:46,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:46,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:46,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:46,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:46,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:46,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:46,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:46,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:46,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:46,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:46,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:46,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:46,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:46,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:46,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:46,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:46,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:46,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:46,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:46,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:46,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:46,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:46,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:46,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:46,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:46,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:46,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:46,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:46,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:46,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:46,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:46,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:46,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:46,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:46,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:46,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:46,375 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size [2021-06-16 18:18:46,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:46,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:46,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:46,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:46,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:46,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:46,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:46,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:46,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:46,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:46,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:46,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:46,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:46,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:46,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:46,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:46,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:46,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:46,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:46,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:46,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:46,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:46,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:46,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:46,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:46,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:46,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:46,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:46,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:46,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:46,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:46,390 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 18:18:46,390 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [48691486] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 18:18:46,391 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 18:18:46,391 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2021-06-16 18:18:46,391 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1637599355] [2021-06-16 18:18:46,392 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-16 18:18:46,393 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 18:18:46,400 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-16 18:18:46,400 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-16 18:18:46,401 INFO L87 Difference]: Start difference. First operand 18 states and 20 transitions. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 3 states have internal predecessors, (13), 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) [2021-06-16 18:18:46,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-16 18:18:46,460 INFO L93 Difference]: Finished difference Result 20 states and 22 transitions. [2021-06-16 18:18:46,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 18:18:46,461 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 3 states have internal predecessors, (13), 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) Word has length 13 [2021-06-16 18:18:46,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-16 18:18:46,461 INFO L225 Difference]: With dead ends: 20 [2021-06-16 18:18:46,461 INFO L226 Difference]: Without dead ends: 20 [2021-06-16 18:18:46,462 INFO L728 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 12 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 55.3ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-06-16 18:18:46,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2021-06-16 18:18:46,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 15. [2021-06-16 18:18:46,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 14 states have (on average 1.1428571428571428) internal successors, (16), 14 states have internal predecessors, (16), 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) [2021-06-16 18:18:46,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 16 transitions. [2021-06-16 18:18:46,464 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 16 transitions. Word has length 13 [2021-06-16 18:18:46,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-16 18:18:46,465 INFO L482 AbstractCegarLoop]: Abstraction has 15 states and 16 transitions. [2021-06-16 18:18:46,465 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 3 states have internal predecessors, (13), 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) [2021-06-16 18:18:46,465 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2021-06-16 18:18:46,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-06-16 18:18:46,465 INFO L464 BasicCegarLoop]: Found error trace [2021-06-16 18:18:46,465 INFO L472 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-16 18:18:46,690 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2021-06-16 18:18:46,691 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 18:18:46,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 18:18:46,691 INFO L82 PathProgramCache]: Analyzing trace with hash 968529169, now seen corresponding path program 1 times [2021-06-16 18:18:46,692 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 18:18:46,692 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416313827] [2021-06-16 18:18:46,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 18:18:46,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 18:18:46,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:46,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:46,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:46,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:46,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:46,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:46,728 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 18:18:46,728 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 18:18:46,729 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [416313827] [2021-06-16 18:18:46,729 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [416313827] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 18:18:46,729 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 18:18:46,729 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-16 18:18:46,730 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [576356519] [2021-06-16 18:18:46,730 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-16 18:18:46,730 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 18:18:46,731 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-16 18:18:46,731 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-16 18:18:46,731 INFO L87 Difference]: Start difference. First operand 15 states and 16 transitions. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 3 states have internal predecessors, (13), 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) [2021-06-16 18:18:46,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-16 18:18:46,769 INFO L93 Difference]: Finished difference Result 20 states and 21 transitions. [2021-06-16 18:18:46,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 18:18:46,770 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 3 states have internal predecessors, (13), 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) Word has length 13 [2021-06-16 18:18:46,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-16 18:18:46,770 INFO L225 Difference]: With dead ends: 20 [2021-06-16 18:18:46,770 INFO L226 Difference]: Without dead ends: 17 [2021-06-16 18:18:46,771 INFO L728 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 15.6ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-06-16 18:18:46,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2021-06-16 18:18:46,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 16. [2021-06-16 18:18:46,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 15 states have (on average 1.1333333333333333) internal successors, (17), 15 states have internal predecessors, (17), 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) [2021-06-16 18:18:46,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 17 transitions. [2021-06-16 18:18:46,773 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 17 transitions. Word has length 13 [2021-06-16 18:18:46,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-16 18:18:46,773 INFO L482 AbstractCegarLoop]: Abstraction has 16 states and 17 transitions. [2021-06-16 18:18:46,773 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 3 states have internal predecessors, (13), 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) [2021-06-16 18:18:46,774 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2021-06-16 18:18:46,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-06-16 18:18:46,774 INFO L464 BasicCegarLoop]: Found error trace [2021-06-16 18:18:46,774 INFO L472 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-16 18:18:46,774 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-16 18:18:46,774 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 18:18:46,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 18:18:46,775 INFO L82 PathProgramCache]: Analyzing trace with hash 931929103, now seen corresponding path program 1 times [2021-06-16 18:18:46,775 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 18:18:46,775 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089658231] [2021-06-16 18:18:46,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 18:18:46,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 18:18:46,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:46,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:46,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:46,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-16 18:18:46,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:46,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:46,859 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-06-16 18:18:46,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-16 18:18:46,877 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-06-16 18:18:46,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:46,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:46,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:46,892 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 18:18:46,892 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 18:18:46,892 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1089658231] [2021-06-16 18:18:46,892 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1089658231] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 18:18:46,893 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [814109448] [2021-06-16 18:18:46,893 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 [2021-06-16 18:18:46,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 18:18:46,927 INFO L263 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-16 18:18:46,928 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 18:18:46,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:46,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:46,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:46,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:46,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:46,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:46,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:46,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:46,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:46,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:46,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:46,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:46,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:46,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:46,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:46,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:46,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:46,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:46,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:46,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:46,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:46,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:46,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:46,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:46,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:46,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:46,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:46,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:46,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:46,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:46,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:46,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:46,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:46,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:46,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:46,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:46,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:46,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:46,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:46,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:46,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:46,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:46,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:46,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:46,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:46,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:46,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:46,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:46,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:46,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:46,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:46,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:46,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:46,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:46,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:46,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:46,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:46,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:46,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:46,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:46,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:46,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:46,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:46,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:46,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:46,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:46,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:47,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:47,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:47,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:47,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:47,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:47,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:47,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:47,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:47,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:47,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:47,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:47,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:47,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:47,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:47,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:47,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:47,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:47,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:47,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:47,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:47,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:47,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:47,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:47,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:47,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:47,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:47,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:47,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:47,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:47,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:47,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:47,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:47,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:47,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:47,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:47,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:47,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:47,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:47,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-16 18:18:47,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:47,049 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-16 18:18:47,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:47,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-16 18:18:47,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-16 18:18:47,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:47,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:47,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:47,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:47,063 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 18:18:47,063 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [814109448] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 18:18:47,063 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 18:18:47,063 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 3] total 7 [2021-06-16 18:18:47,064 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964212568] [2021-06-16 18:18:47,064 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-16 18:18:47,064 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 18:18:47,065 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-16 18:18:47,065 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2021-06-16 18:18:47,065 INFO L87 Difference]: Start difference. First operand 16 states and 17 transitions. Second operand has 8 states, 8 states have (on average 3.125) internal successors, (25), 7 states have internal predecessors, (25), 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) [2021-06-16 18:18:47,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-16 18:18:47,184 INFO L93 Difference]: Finished difference Result 32 states and 35 transitions. [2021-06-16 18:18:47,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-16 18:18:47,185 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.125) internal successors, (25), 7 states have internal predecessors, (25), 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) Word has length 15 [2021-06-16 18:18:47,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-16 18:18:47,185 INFO L225 Difference]: With dead ends: 32 [2021-06-16 18:18:47,185 INFO L226 Difference]: Without dead ends: 28 [2021-06-16 18:18:47,186 INFO L728 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 121.9ms TimeCoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2021-06-16 18:18:47,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2021-06-16 18:18:47,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 18. [2021-06-16 18:18:47,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 17 states have (on average 1.1176470588235294) internal successors, (19), 17 states have internal predecessors, (19), 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) [2021-06-16 18:18:47,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 19 transitions. [2021-06-16 18:18:47,189 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 19 transitions. Word has length 15 [2021-06-16 18:18:47,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-16 18:18:47,189 INFO L482 AbstractCegarLoop]: Abstraction has 18 states and 19 transitions. [2021-06-16 18:18:47,189 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 3.125) internal successors, (25), 7 states have internal predecessors, (25), 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) [2021-06-16 18:18:47,189 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2021-06-16 18:18:47,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-06-16 18:18:47,190 INFO L464 BasicCegarLoop]: Found error trace [2021-06-16 18:18:47,190 INFO L472 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-16 18:18:47,390 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 18:18:47,391 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 18:18:47,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 18:18:47,391 INFO L82 PathProgramCache]: Analyzing trace with hash -605142639, now seen corresponding path program 2 times [2021-06-16 18:18:47,391 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 18:18:47,392 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [504730433] [2021-06-16 18:18:47,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 18:18:47,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 18:18:47,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:47,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:47,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:47,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-16 18:18:47,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:47,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:47,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:47,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:47,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:47,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:47,449 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 18:18:47,449 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 18:18:47,449 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [504730433] [2021-06-16 18:18:47,449 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [504730433] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 18:18:47,449 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1633310926] [2021-06-16 18:18:47,449 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 [2021-06-16 18:18:47,477 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-16 18:18:47,478 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 18:18:47,478 INFO L263 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 5 conjunts are in the unsatisfiable core [2021-06-16 18:18:47,479 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 18:18:47,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:47,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:47,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:47,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:47,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:47,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:47,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:47,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:47,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:47,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:47,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:47,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:47,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:47,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:47,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:47,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:47,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:47,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:47,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:47,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:47,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:47,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:47,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:47,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:47,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:47,489 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-16 18:18:47,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:47,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:47,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-16 18:18:47,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:47,504 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-16 18:18:47,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:47,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:47,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-16 18:18:47,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:47,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-16 18:18:47,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:47,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-16 18:18:47,509 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.0 percent of original size [2021-06-16 18:18:47,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:47,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:47,511 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-16 18:18:47,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:47,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:47,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-16 18:18:47,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:47,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:47,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:47,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:47,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:47,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:47,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:47,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:47,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:47,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:47,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:47,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:47,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:47,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:47,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:47,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:47,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:47,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:47,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:47,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:47,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:47,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:47,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:47,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:47,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:47,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:47,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:47,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:47,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:47,547 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-16 18:18:47,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:47,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:47,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-16 18:18:47,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:47,550 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-16 18:18:47,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:47,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:47,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-16 18:18:47,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:47,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:47,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:47,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:47,554 INFO L142 QuantifierPusher]: treesize reduction 6, result has 14.3 percent of original size [2021-06-16 18:18:47,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:47,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:47,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:47,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:47,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:47,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:47,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:47,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:47,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:47,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:47,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:47,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:47,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:47,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:47,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:47,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:47,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:47,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:47,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:47,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:47,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:47,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:47,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:47,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:47,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:47,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:47,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:47,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:47,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:47,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:47,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:47,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:47,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:47,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:47,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:47,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:47,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:47,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:47,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:47,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:47,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:47,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:47,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:47,580 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 18:18:47,580 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1633310926] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 18:18:47,580 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 18:18:47,580 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2021-06-16 18:18:47,581 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [30671201] [2021-06-16 18:18:47,581 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-16 18:18:47,581 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 18:18:47,581 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-16 18:18:47,582 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-06-16 18:18:47,582 INFO L87 Difference]: Start difference. First operand 18 states and 19 transitions. Second operand has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 5 states have internal predecessors, (17), 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) [2021-06-16 18:18:47,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-16 18:18:47,617 INFO L93 Difference]: Finished difference Result 26 states and 27 transitions. [2021-06-16 18:18:47,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 18:18:47,617 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 5 states have internal predecessors, (17), 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) Word has length 17 [2021-06-16 18:18:47,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-16 18:18:47,618 INFO L225 Difference]: With dead ends: 26 [2021-06-16 18:18:47,618 INFO L226 Difference]: Without dead ends: 21 [2021-06-16 18:18:47,618 INFO L728 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 23.7ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-06-16 18:18:47,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2021-06-16 18:18:47,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 20. [2021-06-16 18:18:47,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 19 states have (on average 1.105263157894737) internal successors, (21), 19 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) [2021-06-16 18:18:47,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 21 transitions. [2021-06-16 18:18:47,621 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 21 transitions. Word has length 17 [2021-06-16 18:18:47,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-16 18:18:47,621 INFO L482 AbstractCegarLoop]: Abstraction has 20 states and 21 transitions. [2021-06-16 18:18:47,621 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 5 states have internal predecessors, (17), 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) [2021-06-16 18:18:47,622 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 21 transitions. [2021-06-16 18:18:47,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-06-16 18:18:47,622 INFO L464 BasicCegarLoop]: Found error trace [2021-06-16 18:18:47,622 INFO L472 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-16 18:18:47,845 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 18:18:47,846 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 18:18:47,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 18:18:47,846 INFO L82 PathProgramCache]: Analyzing trace with hash -142075505, now seen corresponding path program 3 times [2021-06-16 18:18:47,846 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 18:18:47,847 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1508071808] [2021-06-16 18:18:47,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 18:18:47,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 18:18:47,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:47,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:47,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:47,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-16 18:18:47,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:47,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:47,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:47,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:47,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:47,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:47,931 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-06-16 18:18:47,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-16 18:18:47,947 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-06-16 18:18:47,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:47,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:47,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:47,958 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 18:18:47,958 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 18:18:47,958 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1508071808] [2021-06-16 18:18:47,958 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1508071808] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 18:18:47,959 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [64704360] [2021-06-16 18:18:47,959 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 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 [2021-06-16 18:18:48,020 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-06-16 18:18:48,020 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 18:18:48,030 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-16 18:18:48,031 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 18:18:48,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:48,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:48,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:48,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:48,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:48,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:48,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:48,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:48,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:48,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:48,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:48,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:48,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:48,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:48,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:48,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:48,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:48,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:48,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:48,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:48,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-16 18:18:48,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-16 18:18:48,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-16 18:18:48,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-16 18:18:48,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-16 18:18:48,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-16 18:18:48,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-16 18:18:48,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-16 18:18:48,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-16 18:18:48,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-16 18:18:48,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-16 18:18:48,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-16 18:18:48,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-16 18:18:48,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-16 18:18:48,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-16 18:18:48,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-16 18:18:48,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-16 18:18:48,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-16 18:18:48,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-16 18:18:48,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-16 18:18:48,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:48,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:48,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:48,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:48,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:48,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:48,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:48,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:48,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:48,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:48,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:48,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:48,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:48,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:48,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:48,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:48,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:48,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:48,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:48,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:48,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:48,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:48,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:48,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:48,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:48,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:48,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:48,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:48,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-16 18:18:48,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,181 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-16 18:18:48,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-16 18:18:48,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-16 18:18:48,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:48,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:48,186 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 18:18:48,186 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [64704360] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 18:18:48,186 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 18:18:48,186 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4] total 10 [2021-06-16 18:18:48,187 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025638162] [2021-06-16 18:18:48,187 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-16 18:18:48,187 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 18:18:48,188 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-16 18:18:48,188 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2021-06-16 18:18:48,188 INFO L87 Difference]: Start difference. First operand 20 states and 21 transitions. Second operand has 11 states, 11 states have (on average 3.0) internal successors, (33), 10 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) [2021-06-16 18:18:48,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-16 18:18:48,332 INFO L93 Difference]: Finished difference Result 38 states and 41 transitions. [2021-06-16 18:18:48,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-16 18:18:48,333 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.0) internal successors, (33), 10 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) Word has length 19 [2021-06-16 18:18:48,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-16 18:18:48,334 INFO L225 Difference]: With dead ends: 38 [2021-06-16 18:18:48,334 INFO L226 Difference]: Without dead ends: 34 [2021-06-16 18:18:48,334 INFO L728 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 16 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 167.2ms TimeCoverageRelationStatistics Valid=81, Invalid=159, Unknown=0, NotChecked=0, Total=240 [2021-06-16 18:18:48,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2021-06-16 18:18:48,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 22. [2021-06-16 18:18:48,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 21 states have (on average 1.0952380952380953) internal successors, (23), 21 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 18:18:48,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 23 transitions. [2021-06-16 18:18:48,345 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 23 transitions. Word has length 19 [2021-06-16 18:18:48,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-16 18:18:48,345 INFO L482 AbstractCegarLoop]: Abstraction has 22 states and 23 transitions. [2021-06-16 18:18:48,347 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 3.0) internal successors, (33), 10 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) [2021-06-16 18:18:48,347 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 23 transitions. [2021-06-16 18:18:48,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-06-16 18:18:48,348 INFO L464 BasicCegarLoop]: Found error trace [2021-06-16 18:18:48,348 INFO L472 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-16 18:18:48,564 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 18:18:48,565 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 18:18:48,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 18:18:48,565 INFO L82 PathProgramCache]: Analyzing trace with hash -1931419887, now seen corresponding path program 4 times [2021-06-16 18:18:48,566 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 18:18:48,566 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1188684890] [2021-06-16 18:18:48,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 18:18:48,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 18:18:48,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:48,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-16 18:18:48,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-16 18:18:48,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:48,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:48,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:48,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:48,614 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 18:18:48,614 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 18:18:48,614 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1188684890] [2021-06-16 18:18:48,614 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1188684890] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 18:18:48,614 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2072121959] [2021-06-16 18:18:48,614 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 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 [2021-06-16 18:18:48,640 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-16 18:18:48,640 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 18:18:48,641 INFO L263 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-16 18:18:48,642 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 18:18:48,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:48,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:48,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:48,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:48,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:48,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:48,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:48,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:48,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:48,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:48,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:48,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:48,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,651 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-16 18:18:48,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:48,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-16 18:18:48,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,654 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-16 18:18:48,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:48,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-16 18:18:48,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-16 18:18:48,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-16 18:18:48,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-16 18:18:48,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-16 18:18:48,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-16 18:18:48,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-16 18:18:48,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,662 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-16 18:18:48,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-16 18:18:48,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-16 18:18:48,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,665 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-16 18:18:48,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-16 18:18:48,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-16 18:18:48,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-16 18:18:48,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-16 18:18:48,669 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.0 percent of original size [2021-06-16 18:18:48,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:48,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,670 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-16 18:18:48,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:48,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-16 18:18:48,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:48,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:48,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:48,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:48,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:48,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:48,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:48,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:48,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:48,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:48,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:48,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:48,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:48,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:48,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,685 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-16 18:18:48,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:48,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-16 18:18:48,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,688 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-16 18:18:48,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:48,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-16 18:18:48,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:48,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:48,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:48,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:48,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:48,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:48,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,698 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-16 18:18:48,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:48,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-16 18:18:48,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,701 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-16 18:18:48,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:48,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-16 18:18:48,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:48,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:48,705 INFO L142 QuantifierPusher]: treesize reduction 6, result has 14.3 percent of original size [2021-06-16 18:18:48,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:48,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:48,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:48,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:48,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:48,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:48,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:48,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:48,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:48,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:48,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:48,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:48,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:48,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:48,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:48,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:48,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:48,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:48,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:48,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:48,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:48,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:48,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:48,717 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 18:18:48,717 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2072121959] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 18:18:48,718 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 18:18:48,718 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7 [2021-06-16 18:18:48,718 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038243349] [2021-06-16 18:18:48,718 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-16 18:18:48,718 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 18:18:48,719 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-16 18:18:48,719 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-06-16 18:18:48,719 INFO L87 Difference]: Start difference. First operand 22 states and 23 transitions. Second operand has 8 states, 8 states have (on average 2.625) internal successors, (21), 7 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) [2021-06-16 18:18:48,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-16 18:18:48,783 INFO L93 Difference]: Finished difference Result 32 states and 33 transitions. [2021-06-16 18:18:48,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-16 18:18:48,783 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.625) internal successors, (21), 7 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) Word has length 21 [2021-06-16 18:18:48,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-16 18:18:48,784 INFO L225 Difference]: With dead ends: 32 [2021-06-16 18:18:48,784 INFO L226 Difference]: Without dead ends: 25 [2021-06-16 18:18:48,784 INFO L728 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 47.6ms TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-06-16 18:18:48,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2021-06-16 18:18:48,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 24. [2021-06-16 18:18:48,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 23 states have (on average 1.0869565217391304) internal successors, (25), 23 states have internal predecessors, (25), 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) [2021-06-16 18:18:48,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 25 transitions. [2021-06-16 18:18:48,787 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 25 transitions. Word has length 21 [2021-06-16 18:18:48,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-16 18:18:48,787 INFO L482 AbstractCegarLoop]: Abstraction has 24 states and 25 transitions. [2021-06-16 18:18:48,787 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 2.625) internal successors, (21), 7 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) [2021-06-16 18:18:48,787 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 25 transitions. [2021-06-16 18:18:48,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-06-16 18:18:48,788 INFO L464 BasicCegarLoop]: Found error trace [2021-06-16 18:18:48,788 INFO L472 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-16 18:18:49,000 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2021-06-16 18:18:49,001 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 18:18:49,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 18:18:49,001 INFO L82 PathProgramCache]: Analyzing trace with hash 397576207, now seen corresponding path program 5 times [2021-06-16 18:18:49,001 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 18:18:49,002 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1671391958] [2021-06-16 18:18:49,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 18:18:49,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 18:18:49,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:49,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-16 18:18:49,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-16 18:18:49,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:49,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:49,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:49,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:49,078 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-06-16 18:18:49,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-16 18:18:49,091 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-06-16 18:18:49,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:49,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:49,101 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 18:18:49,101 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 18:18:49,102 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1671391958] [2021-06-16 18:18:49,102 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1671391958] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 18:18:49,102 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [201523380] [2021-06-16 18:18:49,102 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 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 [2021-06-16 18:18:49,129 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-06-16 18:18:49,129 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 18:18:49,130 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 15 conjunts are in the unsatisfiable core [2021-06-16 18:18:49,131 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 18:18:49,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:49,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:49,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:49,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:49,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:49,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:49,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:49,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:49,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:49,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:49,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:49,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:49,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:49,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:49,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:49,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:49,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:49,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:49,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:49,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:49,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-16 18:18:49,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-16 18:18:49,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-16 18:18:49,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-16 18:18:49,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-16 18:18:49,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-16 18:18:49,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-16 18:18:49,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-16 18:18:49,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-16 18:18:49,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-16 18:18:49,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-16 18:18:49,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-16 18:18:49,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-16 18:18:49,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-16 18:18:49,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-16 18:18:49,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-16 18:18:49,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-16 18:18:49,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-16 18:18:49,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-16 18:18:49,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-16 18:18:49,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-16 18:18:49,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-16 18:18:49,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-16 18:18:49,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-16 18:18:49,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-16 18:18:49,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-16 18:18:49,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-16 18:18:49,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-16 18:18:49,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-16 18:18:49,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-16 18:18:49,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-16 18:18:49,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-16 18:18:49,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-16 18:18:49,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-16 18:18:49,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-16 18:18:49,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-16 18:18:49,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:49,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:49,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:49,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:49,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:49,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:49,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:49,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:49,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:49,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:49,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:49,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:49,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:49,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:49,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:49,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:49,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:49,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:49,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:49,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:49,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:49,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:49,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:49,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:49,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:49,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:49,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:49,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:49,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-16 18:18:49,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,277 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-16 18:18:49,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-16 18:18:49,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-16 18:18:49,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:49,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:49,282 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 18:18:49,282 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [201523380] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 18:18:49,282 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 18:18:49,283 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 5] total 13 [2021-06-16 18:18:49,283 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088450229] [2021-06-16 18:18:49,283 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-16 18:18:49,283 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 18:18:49,286 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-16 18:18:49,286 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=123, Unknown=0, NotChecked=0, Total=182 [2021-06-16 18:18:49,286 INFO L87 Difference]: Start difference. First operand 24 states and 25 transitions. Second operand has 14 states, 14 states have (on average 2.9285714285714284) internal successors, (41), 13 states have internal predecessors, (41), 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) [2021-06-16 18:18:49,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-16 18:18:49,453 INFO L93 Difference]: Finished difference Result 44 states and 47 transitions. [2021-06-16 18:18:49,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-16 18:18:49,454 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 2.9285714285714284) internal successors, (41), 13 states have internal predecessors, (41), 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) Word has length 23 [2021-06-16 18:18:49,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-16 18:18:49,455 INFO L225 Difference]: With dead ends: 44 [2021-06-16 18:18:49,455 INFO L226 Difference]: Without dead ends: 40 [2021-06-16 18:18:49,455 INFO L728 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 19 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 201.2ms TimeCoverageRelationStatistics Valid=119, Invalid=261, Unknown=0, NotChecked=0, Total=380 [2021-06-16 18:18:49,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2021-06-16 18:18:49,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 26. [2021-06-16 18:18:49,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 25 states have (on average 1.08) internal successors, (27), 25 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) [2021-06-16 18:18:49,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 27 transitions. [2021-06-16 18:18:49,458 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 27 transitions. Word has length 23 [2021-06-16 18:18:49,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-16 18:18:49,458 INFO L482 AbstractCegarLoop]: Abstraction has 26 states and 27 transitions. [2021-06-16 18:18:49,458 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 2.9285714285714284) internal successors, (41), 13 states have internal predecessors, (41), 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) [2021-06-16 18:18:49,458 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 27 transitions. [2021-06-16 18:18:49,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-06-16 18:18:49,459 INFO L464 BasicCegarLoop]: Found error trace [2021-06-16 18:18:49,459 INFO L472 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-16 18:18:49,668 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 18:18:49,669 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 18:18:49,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 18:18:49,669 INFO L82 PathProgramCache]: Analyzing trace with hash 1277799825, now seen corresponding path program 6 times [2021-06-16 18:18:49,669 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 18:18:49,670 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971731717] [2021-06-16 18:18:49,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 18:18:49,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 18:18:49,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:49,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-16 18:18:49,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-16 18:18:49,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-16 18:18:49,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:49,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:49,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:49,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:49,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:49,736 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 16 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 18:18:49,736 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 18:18:49,736 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1971731717] [2021-06-16 18:18:49,736 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1971731717] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 18:18:49,736 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1104611544] [2021-06-16 18:18:49,736 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 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 [2021-06-16 18:18:49,767 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-06-16 18:18:49,767 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 18:18:49,768 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 9 conjunts are in the unsatisfiable core [2021-06-16 18:18:49,769 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 18:18:49,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:49,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:49,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:49,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:49,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:49,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:49,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:49,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:49,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:49,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:49,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:49,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:49,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,777 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-16 18:18:49,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:49,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-16 18:18:49,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,779 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-16 18:18:49,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:49,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-16 18:18:49,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-16 18:18:49,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-16 18:18:49,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-16 18:18:49,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-16 18:18:49,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-16 18:18:49,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-16 18:18:49,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,786 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-16 18:18:49,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-16 18:18:49,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-16 18:18:49,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,790 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-16 18:18:49,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-16 18:18:49,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-16 18:18:49,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-16 18:18:49,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-16 18:18:49,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-16 18:18:49,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-16 18:18:49,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-16 18:18:49,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-16 18:18:49,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,798 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-16 18:18:49,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-16 18:18:49,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-16 18:18:49,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,801 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-16 18:18:49,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-16 18:18:49,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-16 18:18:49,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-16 18:18:49,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-16 18:18:49,805 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.0 percent of original size [2021-06-16 18:18:49,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:49,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,806 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-16 18:18:49,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:49,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-16 18:18:49,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:49,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:49,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:49,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:49,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:49,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:49,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:49,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:49,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:49,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:49,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:49,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:49,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:49,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:49,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,818 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-16 18:18:49,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:49,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-16 18:18:49,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,820 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-16 18:18:49,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:49,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-16 18:18:49,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:49,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:49,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:49,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:49,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:49,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:49,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,832 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-16 18:18:49,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:49,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-16 18:18:49,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,840 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-16 18:18:49,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:49,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-16 18:18:49,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:49,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:49,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:49,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:49,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:49,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:49,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,846 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-16 18:18:49,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:49,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-16 18:18:49,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,849 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-16 18:18:49,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:49,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-16 18:18:49,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:49,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:49,856 INFO L142 QuantifierPusher]: treesize reduction 6, result has 14.3 percent of original size [2021-06-16 18:18:49,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:49,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:49,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:49,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:49,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:49,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:49,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:49,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:49,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:49,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:49,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:49,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:49,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:49,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:49,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:49,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:49,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:49,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:49,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:49,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:49,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:49,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:49,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:49,868 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 16 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 18:18:49,868 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1104611544] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 18:18:49,868 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 18:18:49,868 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 9 [2021-06-16 18:18:49,868 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [249746623] [2021-06-16 18:18:49,868 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-06-16 18:18:49,868 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 18:18:49,869 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-06-16 18:18:49,869 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2021-06-16 18:18:49,869 INFO L87 Difference]: Start difference. First operand 26 states and 27 transitions. Second operand has 10 states, 10 states have (on average 2.5) internal successors, (25), 9 states have internal predecessors, (25), 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) [2021-06-16 18:18:49,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-16 18:18:49,945 INFO L93 Difference]: Finished difference Result 38 states and 39 transitions. [2021-06-16 18:18:49,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-16 18:18:49,946 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.5) internal successors, (25), 9 states have internal predecessors, (25), 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) Word has length 25 [2021-06-16 18:18:49,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-16 18:18:49,946 INFO L225 Difference]: With dead ends: 38 [2021-06-16 18:18:49,946 INFO L226 Difference]: Without dead ends: 29 [2021-06-16 18:18:49,947 INFO L728 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 66.3ms TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2021-06-16 18:18:49,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2021-06-16 18:18:49,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 28. [2021-06-16 18:18:49,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 27 states have (on average 1.0740740740740742) internal successors, (29), 27 states have internal predecessors, (29), 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) [2021-06-16 18:18:49,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 29 transitions. [2021-06-16 18:18:49,949 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 29 transitions. Word has length 25 [2021-06-16 18:18:49,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-16 18:18:49,949 INFO L482 AbstractCegarLoop]: Abstraction has 28 states and 29 transitions. [2021-06-16 18:18:49,950 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 2.5) internal successors, (25), 9 states have internal predecessors, (25), 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) [2021-06-16 18:18:49,950 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 29 transitions. [2021-06-16 18:18:49,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-06-16 18:18:49,950 INFO L464 BasicCegarLoop]: Found error trace [2021-06-16 18:18:49,950 INFO L472 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-16 18:18:50,164 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 18:18:50,165 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 18:18:50,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 18:18:50,166 INFO L82 PathProgramCache]: Analyzing trace with hash 1407362959, now seen corresponding path program 7 times [2021-06-16 18:18:50,166 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 18:18:50,166 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [937210695] [2021-06-16 18:18:50,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 18:18:50,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 18:18:50,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:50,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:50,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:50,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-16 18:18:50,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:50,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-16 18:18:50,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:50,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-16 18:18:50,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:50,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:50,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:50,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:50,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:50,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:50,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:50,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:50,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:50,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:50,261 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-06-16 18:18:50,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-16 18:18:50,272 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-06-16 18:18:50,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:50,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:50,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:50,284 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 18:18:50,284 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 18:18:50,284 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [937210695] [2021-06-16 18:18:50,285 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [937210695] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 18:18:50,285 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1123378513] [2021-06-16 18:18:50,285 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 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 [2021-06-16 18:18:50,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 18:18:50,312 INFO L263 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 19 conjunts are in the unsatisfiable core [2021-06-16 18:18:50,313 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 18:18:50,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:50,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:50,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:50,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:50,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:50,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:50,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:50,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:50,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:50,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:50,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:50,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:50,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:50,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:50,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:50,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:50,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:50,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:50,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:50,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:50,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:50,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:50,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:50,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:50,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:50,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:50,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:50,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:50,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:50,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:50,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:50,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:50,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:50,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:50,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:50,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:50,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:50,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:50,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:50,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:50,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:50,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-16 18:18:50,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:50,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-16 18:18:50,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:50,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-16 18:18:50,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:50,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-16 18:18:50,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:50,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-16 18:18:50,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:50,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-16 18:18:50,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:50,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-16 18:18:50,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:50,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-16 18:18:50,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:50,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-16 18:18:50,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:50,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-16 18:18:50,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:50,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-16 18:18:50,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:50,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-16 18:18:50,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:50,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-16 18:18:50,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:50,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-16 18:18:50,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:50,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-16 18:18:50,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:50,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-16 18:18:50,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:50,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-16 18:18:50,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:50,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-16 18:18:50,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:50,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-16 18:18:50,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:50,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-16 18:18:50,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:50,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-16 18:18:50,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:50,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-16 18:18:50,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:50,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-16 18:18:50,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:50,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-16 18:18:50,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:50,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-16 18:18:50,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:50,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-16 18:18:50,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:50,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-16 18:18:50,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:50,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-16 18:18:50,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:50,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-16 18:18:50,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:50,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-16 18:18:50,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:50,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-16 18:18:50,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:50,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-16 18:18:50,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:50,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-16 18:18:50,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:50,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-16 18:18:50,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:50,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-16 18:18:50,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:50,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-16 18:18:50,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:50,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-16 18:18:50,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:50,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-16 18:18:50,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:50,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-16 18:18:50,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:50,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-16 18:18:50,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:50,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-16 18:18:50,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:50,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-16 18:18:50,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:50,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-16 18:18:50,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:50,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-16 18:18:50,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:50,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-16 18:18:50,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:50,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-16 18:18:50,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:50,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-16 18:18:50,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:50,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-16 18:18:50,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:50,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-16 18:18:50,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:50,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-16 18:18:50,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:50,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-16 18:18:50,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:50,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-16 18:18:50,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:50,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:50,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:50,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:50,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:50,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:50,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:50,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:50,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:50,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:50,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:50,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:50,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:50,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:50,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:50,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:50,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:50,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:50,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:50,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:50,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:50,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:50,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:50,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:50,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:50,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:50,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:50,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:50,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:50,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:50,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:50,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:50,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:50,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:50,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:50,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:50,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:50,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:50,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:50,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:50,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:50,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:50,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:50,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:50,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:50,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:50,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:50,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:50,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:50,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:50,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:50,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:50,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:50,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:50,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:50,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:50,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:50,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-16 18:18:50,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:50,484 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-16 18:18:50,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:50,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-16 18:18:50,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-16 18:18:50,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:50,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:50,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:50,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:50,490 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 18:18:50,490 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1123378513] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 18:18:50,490 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 18:18:50,490 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 6] total 16 [2021-06-16 18:18:50,490 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [194517439] [2021-06-16 18:18:50,490 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-06-16 18:18:50,491 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 18:18:50,491 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-06-16 18:18:50,491 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=188, Unknown=0, NotChecked=0, Total=272 [2021-06-16 18:18:50,491 INFO L87 Difference]: Start difference. First operand 28 states and 29 transitions. Second operand has 17 states, 17 states have (on average 2.8823529411764706) internal successors, (49), 16 states have internal predecessors, (49), 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) [2021-06-16 18:18:50,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-16 18:18:50,710 INFO L93 Difference]: Finished difference Result 50 states and 53 transitions. [2021-06-16 18:18:50,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-16 18:18:50,711 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 2.8823529411764706) internal successors, (49), 16 states have internal predecessors, (49), 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) Word has length 27 [2021-06-16 18:18:50,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-16 18:18:50,711 INFO L225 Difference]: With dead ends: 50 [2021-06-16 18:18:50,711 INFO L226 Difference]: Without dead ends: 46 [2021-06-16 18:18:50,712 INFO L728 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 22 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 247.6ms TimeCoverageRelationStatistics Valid=163, Invalid=389, Unknown=0, NotChecked=0, Total=552 [2021-06-16 18:18:50,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2021-06-16 18:18:50,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 30. [2021-06-16 18:18:50,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 29 states have (on average 1.0689655172413792) internal successors, (31), 29 states have internal predecessors, (31), 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) [2021-06-16 18:18:50,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 31 transitions. [2021-06-16 18:18:50,715 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 31 transitions. Word has length 27 [2021-06-16 18:18:50,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-16 18:18:50,715 INFO L482 AbstractCegarLoop]: Abstraction has 30 states and 31 transitions. [2021-06-16 18:18:50,715 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 2.8823529411764706) internal successors, (49), 16 states have internal predecessors, (49), 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) [2021-06-16 18:18:50,715 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 31 transitions. [2021-06-16 18:18:50,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-06-16 18:18:50,716 INFO L464 BasicCegarLoop]: Found error trace [2021-06-16 18:18:50,716 INFO L472 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-16 18:18:50,940 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-06-16 18:18:50,941 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 18:18:50,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 18:18:50,941 INFO L82 PathProgramCache]: Analyzing trace with hash 1020259601, now seen corresponding path program 8 times [2021-06-16 18:18:50,941 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 18:18:50,942 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172112931] [2021-06-16 18:18:50,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 18:18:50,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 18:18:50,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:50,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:50,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:50,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-16 18:18:50,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:50,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-16 18:18:50,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:50,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-16 18:18:50,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:50,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-16 18:18:50,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:50,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:51,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:51,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:51,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:51,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:51,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:51,034 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 18:18:51,035 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 18:18:51,035 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [172112931] [2021-06-16 18:18:51,035 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [172112931] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 18:18:51,035 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [200399023] [2021-06-16 18:18:51,035 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 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 [2021-06-16 18:18:51,066 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-16 18:18:51,066 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 18:18:51,066 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-16 18:18:51,067 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 18:18:51,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:51,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:51,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:51,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:51,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:51,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:51,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:51,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:51,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:51,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:51,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:51,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:51,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,075 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-16 18:18:51,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:51,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-16 18:18:51,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,080 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-16 18:18:51,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:51,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-16 18:18:51,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-16 18:18:51,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-16 18:18:51,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-16 18:18:51,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-16 18:18:51,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-16 18:18:51,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-16 18:18:51,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,087 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-16 18:18:51,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-16 18:18:51,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-16 18:18:51,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,089 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-16 18:18:51,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-16 18:18:51,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-16 18:18:51,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-16 18:18:51,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-16 18:18:51,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-16 18:18:51,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-16 18:18:51,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-16 18:18:51,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-16 18:18:51,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,095 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-16 18:18:51,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-16 18:18:51,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-16 18:18:51,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,097 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-16 18:18:51,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-16 18:18:51,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-16 18:18:51,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-16 18:18:51,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-16 18:18:51,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-16 18:18:51,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-16 18:18:51,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-16 18:18:51,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-16 18:18:51,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,103 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-16 18:18:51,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-16 18:18:51,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-16 18:18:51,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,105 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-16 18:18:51,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-16 18:18:51,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-16 18:18:51,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-16 18:18:51,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-16 18:18:51,108 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.0 percent of original size [2021-06-16 18:18:51,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:51,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,109 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-16 18:18:51,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:51,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-16 18:18:51,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:51,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:51,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:51,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:51,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:51,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:51,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:51,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:51,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:51,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:51,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:51,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:51,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:51,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:51,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,121 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-16 18:18:51,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:51,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-16 18:18:51,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,123 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-16 18:18:51,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:51,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-16 18:18:51,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:51,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:51,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:51,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:51,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:51,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:51,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,131 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-16 18:18:51,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:51,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-16 18:18:51,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,137 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-16 18:18:51,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:51,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-16 18:18:51,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:51,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:51,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:51,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:51,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:51,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:51,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,144 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-16 18:18:51,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:51,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-16 18:18:51,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,145 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-16 18:18:51,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:51,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-16 18:18:51,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:51,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:51,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:51,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:51,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:51,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:51,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,152 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-16 18:18:51,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:51,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-16 18:18:51,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,155 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-16 18:18:51,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:51,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-16 18:18:51,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:51,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:51,159 INFO L142 QuantifierPusher]: treesize reduction 6, result has 14.3 percent of original size [2021-06-16 18:18:51,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:51,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:51,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:51,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:51,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:51,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:51,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:51,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:51,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:51,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:51,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:51,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:51,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:51,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:51,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:51,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:51,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:51,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:51,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:51,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:51,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:51,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:51,177 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 18:18:51,178 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [200399023] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 18:18:51,178 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 18:18:51,178 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 11 [2021-06-16 18:18:51,178 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71316277] [2021-06-16 18:18:51,178 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-16 18:18:51,178 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 18:18:51,178 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-16 18:18:51,179 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2021-06-16 18:18:51,179 INFO L87 Difference]: Start difference. First operand 30 states and 31 transitions. Second operand has 12 states, 12 states have (on average 2.4166666666666665) internal successors, (29), 11 states have internal predecessors, (29), 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) [2021-06-16 18:18:51,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-16 18:18:51,258 INFO L93 Difference]: Finished difference Result 44 states and 45 transitions. [2021-06-16 18:18:51,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 18:18:51,259 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.4166666666666665) internal successors, (29), 11 states have internal predecessors, (29), 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) Word has length 29 [2021-06-16 18:18:51,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-16 18:18:51,259 INFO L225 Difference]: With dead ends: 44 [2021-06-16 18:18:51,259 INFO L226 Difference]: Without dead ends: 33 [2021-06-16 18:18:51,260 INFO L728 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 87.5ms TimeCoverageRelationStatistics Valid=91, Invalid=181, Unknown=0, NotChecked=0, Total=272 [2021-06-16 18:18:51,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2021-06-16 18:18:51,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 32. [2021-06-16 18:18:51,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 31 states have (on average 1.064516129032258) internal successors, (33), 31 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) [2021-06-16 18:18:51,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 33 transitions. [2021-06-16 18:18:51,263 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 33 transitions. Word has length 29 [2021-06-16 18:18:51,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-16 18:18:51,263 INFO L482 AbstractCegarLoop]: Abstraction has 32 states and 33 transitions. [2021-06-16 18:18:51,263 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 2.4166666666666665) internal successors, (29), 11 states have internal predecessors, (29), 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) [2021-06-16 18:18:51,264 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 33 transitions. [2021-06-16 18:18:51,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-06-16 18:18:51,264 INFO L464 BasicCegarLoop]: Found error trace [2021-06-16 18:18:51,264 INFO L472 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-16 18:18:51,468 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 18:18:51,469 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 18:18:51,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 18:18:51,469 INFO L82 PathProgramCache]: Analyzing trace with hash 1801435151, now seen corresponding path program 9 times [2021-06-16 18:18:51,470 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 18:18:51,470 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1110784329] [2021-06-16 18:18:51,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 18:18:51,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 18:18:51,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:51,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-16 18:18:51,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-16 18:18:51,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-16 18:18:51,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-16 18:18:51,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:51,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:51,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:51,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:51,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:51,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:51,592 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-06-16 18:18:51,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-16 18:18:51,605 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-06-16 18:18:51,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:51,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:51,615 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 25 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 18:18:51,615 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 18:18:51,615 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1110784329] [2021-06-16 18:18:51,615 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1110784329] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 18:18:51,616 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1964295411] [2021-06-16 18:18:51,616 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 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 [2021-06-16 18:18:51,643 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-06-16 18:18:51,643 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 18:18:51,643 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-16 18:18:51,644 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 18:18:51,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:51,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:51,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:51,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:51,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:51,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:51,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:51,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:51,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:51,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:51,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:51,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:51,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:51,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:51,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:51,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:51,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:51,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:51,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:51,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:51,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:51,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:51,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:51,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:51,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:51,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:51,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:51,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:51,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:51,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:51,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:51,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:51,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:51,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:51,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:51,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:51,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:51,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:51,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:51,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:51,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:51,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:51,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:51,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:51,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,686 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-16 18:18:51,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:51,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-16 18:18:51,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,688 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-16 18:18:51,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:51,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-16 18:18:51,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:51,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 18:18:51,700 INFO L142 QuantifierPusher]: treesize reduction 1, result has 87.5 percent of original size [2021-06-16 18:18:51,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-16 18:18:51,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-16 18:18:51,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-16 18:18:51,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-16 18:18:51,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-16 18:18:51,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-16 18:18:51,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-16 18:18:51,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-16 18:18:51,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-16 18:18:51,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-16 18:18:51,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-16 18:18:51,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-16 18:18:51,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-16 18:18:51,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-16 18:18:51,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-16 18:18:51,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-16 18:18:51,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-16 18:18:51,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-16 18:18:51,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-16 18:18:51,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-16 18:18:51,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-16 18:18:51,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-16 18:18:51,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-16 18:18:51,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-16 18:18:51,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-16 18:18:51,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-16 18:18:51,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-16 18:18:51,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-16 18:18:51,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-16 18:18:51,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-16 18:18:51,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-16 18:18:51,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-16 18:18:51,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-16 18:18:51,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-16 18:18:51,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-16 18:18:51,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-16 18:18:51,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-16 18:18:51,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-16 18:18:51,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-16 18:18:51,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-16 18:18:51,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-16 18:18:51,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-16 18:18:51,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-16 18:18:51,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-16 18:18:51,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-16 18:18:51,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-16 18:18:51,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-16 18:18:51,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-16 18:18:51,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,754 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-16 18:18:51,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:51,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-16 18:18:51,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,757 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-16 18:18:51,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 18:18:51,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-16 18:18:51,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-16 18:18:51,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-16 18:18:51,775 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.9 percent of original size [2021-06-16 18:18:51,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-16 18:18:51,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-16 18:18:51,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-16 18:18:51,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-16 18:18:51,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-16 18:18:51,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-16 18:18:51,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-16 18:18:51,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-16 18:18:51,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-16 18:18:51,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-16 18:18:51,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-16 18:18:51,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-16 18:18:51,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-16 18:18:51,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-16 18:18:51,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-16 18:18:51,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-16 18:18:51,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-16 18:18:51,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,805 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-16 18:18:51,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-16 18:18:51,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-16 18:18:51,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:51,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 18:18:51,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 18:18:51,812 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2021-06-16 18:18:51,813 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1964295411] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 18:18:51,813 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-06-16 18:18:51,813 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [14] total 21 [2021-06-16 18:18:51,813 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779565942] [2021-06-16 18:18:51,813 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-16 18:18:51,813 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 18:18:51,814 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-16 18:18:51,814 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=122, Invalid=298, Unknown=0, NotChecked=0, Total=420 [2021-06-16 18:18:51,814 INFO L87 Difference]: Start difference. First operand 32 states and 33 transitions. Second operand has 8 states, 8 states have (on average 2.375) internal successors, (19), 8 states have internal predecessors, (19), 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) [2021-06-16 18:18:51,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-16 18:18:51,832 INFO L93 Difference]: Finished difference Result 30 states and 31 transitions. [2021-06-16 18:18:51,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-16 18:18:51,832 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.375) internal successors, (19), 8 states have internal predecessors, (19), 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) Word has length 31 [2021-06-16 18:18:51,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-16 18:18:51,833 INFO L225 Difference]: With dead ends: 30 [2021-06-16 18:18:51,833 INFO L226 Difference]: Without dead ends: 0 [2021-06-16 18:18:51,833 INFO L728 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 137 ImplicationChecksByTransitivity, 163.7ms TimeCoverageRelationStatistics Valid=122, Invalid=298, Unknown=0, NotChecked=0, Total=420 [2021-06-16 18:18:51,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-06-16 18:18:51,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-06-16 18:18:51,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2021-06-16 18:18:51,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-06-16 18:18:51,834 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 31 [2021-06-16 18:18:51,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-16 18:18:51,834 INFO L482 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-06-16 18:18:51,834 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 2.375) internal successors, (19), 8 states have internal predecessors, (19), 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) [2021-06-16 18:18:51,834 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-06-16 18:18:51,834 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-06-16 18:18:52,048 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 18:18:52,050 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-16 18:18:52,052 INFO L202 PluginConnector]: Adding new model easy1.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.06 06:18:52 BasicIcfg [2021-06-16 18:18:52,052 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-16 18:18:52,052 INFO L168 Benchmark]: Toolchain (without parser) took 6624.06 ms. Allocated memory was 205.5 MB in the beginning and 250.6 MB in the end (delta: 45.1 MB). Free memory was 186.4 MB in the beginning and 186.8 MB in the end (delta: -347.3 kB). Peak memory consumption was 45.2 MB. Max. memory is 8.0 GB. [2021-06-16 18:18:52,052 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.16 ms. Allocated memory is still 205.5 MB. Free memory is still 187.5 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-06-16 18:18:52,052 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.20 ms. Allocated memory is still 205.5 MB. Free memory was 186.3 MB in the beginning and 184.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-16 18:18:52,052 INFO L168 Benchmark]: Boogie Preprocessor took 14.79 ms. Allocated memory is still 205.5 MB. Free memory was 184.9 MB in the beginning and 184.0 MB in the end (delta: 877.8 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-06-16 18:18:52,052 INFO L168 Benchmark]: RCFGBuilder took 228.31 ms. Allocated memory is still 205.5 MB. Free memory was 183.9 MB in the beginning and 174.6 MB in the end (delta: 9.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. [2021-06-16 18:18:52,052 INFO L168 Benchmark]: TraceAbstraction took 6352.85 ms. Allocated memory was 205.5 MB in the beginning and 250.6 MB in the end (delta: 45.1 MB). Free memory was 174.1 MB in the beginning and 186.8 MB in the end (delta: -12.7 MB). Peak memory consumption was 32.7 MB. Max. memory is 8.0 GB. [2021-06-16 18:18:52,053 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 0.16 ms. Allocated memory is still 205.5 MB. Free memory is still 187.5 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 23.20 ms. Allocated memory is still 205.5 MB. Free memory was 186.3 MB in the beginning and 184.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 14.79 ms. Allocated memory is still 205.5 MB. Free memory was 184.9 MB in the beginning and 184.0 MB in the end (delta: 877.8 kB). There was no memory consumed. Max. memory is 8.0 GB. * RCFGBuilder took 228.31 ms. Allocated memory is still 205.5 MB. Free memory was 183.9 MB in the beginning and 174.6 MB in the end (delta: 9.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 6352.85 ms. Allocated memory was 205.5 MB in the beginning and 250.6 MB in the end (delta: 45.1 MB). Free memory was 174.1 MB in the beginning and 186.8 MB in the end (delta: -12.7 MB). Peak memory consumption was 32.7 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 30, positive: 24, positive conditional: 24, positive unconditional: 0, negative: 6, negative conditional: 6, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 24, positive: 24, positive conditional: 0, positive unconditional: 24, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 24, positive: 24, positive conditional: 0, positive unconditional: 24, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 24, positive: 24, positive conditional: 0, positive unconditional: 24, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 24, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 24, unknown conditional: 0, unknown unconditional: 24] , Statistics on independence cache: Total cache size (in pairs): 24, Positive cache size: 24, Positive conditional cache size: 0, Positive unconditional cache size: 24, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 6 - PositiveResult [Line: 37]: assertion always holds For all program executions holds that assertion always holds at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 28 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 6220.7ms, OverallIterations: 12, TraceHistogramMax: 5, EmptinessCheckTime: 13.2ms, AutomataDifference: 1158.1ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 66.1ms, PartialOrderReductionTime: 53.5ms, HoareTripleCheckerStatistics: 113 SDtfs, 339 SDslu, 239 SDs, 0 SdLazy, 578 SolverSat, 110 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 384.3ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 338 GetRequests, 201 SyntacticMatches, 5 SemanticMatches, 132 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 380 ImplicationChecksByTransitivity, 1213.8ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=32occurred in iteration=11, InterpolantAutomatonStates: 115, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 47.2ms AutomataMinimizationTime, 12 MinimizatonAttempts, 64 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 34.9ms SsaConstructionTime, 149.6ms SatisfiabilityAnalysisTime, 2218.4ms InterpolantComputationTime, 464 NumberOfCodeBlocks, 452 NumberOfCodeBlocksAsserted, 36 NumberOfCheckSat, 442 ConstructedInterpolants, 0 QuantifiedInterpolants, 2310 SizeOfPredicates, 15 NumberOfNonLiveVariables, 377 ConjunctsInSsa, 94 ConjunctsInUnsatCore, 22 InterpolantComputations, 3 PerfectInterpolantSequences, 214/391 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...